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Contents
- The climate of Bentota
- The best time to visit Bentota
- The worst time to visit Bentota
- Spring weather in Bentota
- Summer weather in Bentota
- Autumn weather in Bentota
- Winter weather in Bentota
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Bentota
Bentota, situated in Sri Lanka, boasts of a typical Köppen climate categorization of Af, translating to a tropical rainforest climate. Consequently, this locality experiences considerable rainfall amounts yearly, coupled with high temperatures that show very minimal fluctuations.
Majority of the months experience high temperatures ranging from 28.6°C (83.5°F) to 31.3°C (88.3°F). The hottest periods are usually between March and April, where temperatures can peak to 31.3°C (88.3°F). On the flip side, temperatures can drop to as low as 23.4°C (74.1°F) to 26.3°C (79.3°F) between the periods of January and May.
The town also registers high humidity levels, with a yearly variation from 75% to a peak of 83% between May and August. Additionally, rainfall patterns are quite predictable, with the dry season barely existent. The wettest periods occur from May to September, receiving rainfall amounts of 260mm (10.24") to 350mm (13.78"). The driest periods receive rainfall amounts as low as 25mm (0.98") in January to 93mm (3.66") in December. Lastly, there's a consistent sea temperature of between 27.3°C (81.1°F) to 29.6°C (85.3°F) throughout the year, making water activities feasible all year round.
Majority of the months experience high temperatures ranging from 28.6°C (83.5°F) to 31.3°C (88.3°F). The hottest periods are usually between March and April, where temperatures can peak to 31.3°C (88.3°F). On the flip side, temperatures can drop to as low as 23.4°C (74.1°F) to 26.3°C (79.3°F) between the periods of January and May.
The town also registers high humidity levels, with a yearly variation from 75% to a peak of 83% between May and August. Additionally, rainfall patterns are quite predictable, with the dry season barely existent. The wettest periods occur from May to September, receiving rainfall amounts of 260mm (10.24") to 350mm (13.78"). The driest periods receive rainfall amounts as low as 25mm (0.98") in January to 93mm (3.66") in December. Lastly, there's a consistent sea temperature of between 27.3°C (81.1°F) to 29.6°C (85.3°F) throughout the year, making water activities feasible all year round.
The best time to visit Bentota
The optimal time for a trip to Bentota notably depends on the visitors' preferences. For those seeking to enjoy the sunshine, the period between January and April offers the most sunshine hours, ranging from 9 hours to 9.2 hours per day. This period also experiences the lowest rainfall between 25mm (0.98") to 61mm (2.4"), with the least number of rainy days, providing an excellent setting for outdoor activities and sightseeing.
Understanding that some may prefer cooler conditions, the period from July to September presents the lowest average temperatures of 28.6°C (83.5°F) to 28.8°C (83.8°F). Although this period receives more rainfall, it offers a more soothing climate with less intense heat.
Understanding that some may prefer cooler conditions, the period from July to September presents the lowest average temperatures of 28.6°C (83.5°F) to 28.8°C (83.8°F). Although this period receives more rainfall, it offers a more soothing climate with less intense heat.
The worst time to visit Bentota
May and June could be challenging months to visit Bentota, mainly due to weather conditions. These months register the highest rainfall figures, going up to 350mm (13.78") in June. Coupled with high humidity at 83%, this period might hinder outdoor activities and experience.
Furthermore, the months of May and June mark the period with the least solar exposure, with sunshine hours dwindling down to 8.2 hours and 7.8 hours respectively. Consequently, days are relatively darker, which may affect the overall tourism experience.
Furthermore, the months of May and June mark the period with the least solar exposure, with sunshine hours dwindling down to 8.2 hours and 7.8 hours respectively. Consequently, days are relatively darker, which may affect the overall tourism experience.
Spring weather in Bentota
In the context of Bentota, spring runs from March to May. March starts with high temperatures at 31.3°C (88.3°F), gradually decreasing to 30.2°C (86.4°F) in May. Nights during this period are warmer, with lows above 25°C (77°F).
While April observes a significant shift, with rainfall amounts increasing from 61mm (2.4") in March to 127mm (5") in April. May marks the onset of the wet season, with peak rainfall reaching up to 303mm (11.93"). Humidity also increases during this period, hitting a yearly high of 81% in May.
While April observes a significant shift, with rainfall amounts increasing from 61mm (2.4") in March to 127mm (5") in April. May marks the onset of the wet season, with peak rainfall reaching up to 303mm (11.93"). Humidity also increases during this period, hitting a yearly high of 81% in May.
Summer weather in Bentota
Summer in Bentota extends from June through August. June and July are quite similar, with high temperatures averaging 29.2°C (84.6°F) and 28.7°C (83.7°F), respectively. August sees a slight increase with highs averaging 28.6°C (83.5°F).
June and July are the wettest months, with rainfall totals of 350mm (13.78") and 260mm (10.24") respectively. August marginally sees less rainfall at 282mm (11.1"). This period also marks the highest humidity levels, with an average of 83% from June to August, making the climate feel hotter than the actual temperatures.
June and July are the wettest months, with rainfall totals of 350mm (13.78") and 260mm (10.24") respectively. August marginally sees less rainfall at 282mm (11.1"). This period also marks the highest humidity levels, with an average of 83% from June to August, making the climate feel hotter than the actual temperatures.
Autumn weather in Bentota
Autumn in Bentota extends from September to November. High temperatures in this period range from 28.8°C (83.8°F) to 29.8°C (85.6°F). Night temperatures remain relatively high, with autumn lows averaging between 25.2°C (77.4°F) and 24.8°C (76.6°F).
Bentota experiences a high volume of rainfall during this period, ranging from 192mm (7.56") in October to 133mm (5.24") in November. The humidity levels also stay high, hitting 80% in October and November. Despite these factors, the average sea temperature remains warm, varying between 27.8°C (82°F) and 28.8°C (83.8°F), suitable for watersports.
Bentota experiences a high volume of rainfall during this period, ranging from 192mm (7.56") in October to 133mm (5.24") in November. The humidity levels also stay high, hitting 80% in October and November. Despite these factors, the average sea temperature remains warm, varying between 27.8°C (82°F) and 28.8°C (83.8°F), suitable for watersports.
Winter weather in Bentota
Winter in Bentota encompasses December and January. This period enjoys relatively mild weather with high temperatures ranging from 29.7°C (85.5°F) in December to 30.3°C (86.5°F) in January. Night temperatures during winter are marginally cooler, varying from 24.4°C (75.9°F) in December to 23.4°C (74.1°F) in January.
The town observes less rainfall during the winter months, totalling 93mm (3.66") in December and further reducing to 25mm (0.98") in January. Hence, this period is relatively dry compared to the rest of the year. It is also noteworthy that sea temperatures average 28.1°C (82.6°F) in December and shoot up to 27.9°C (82.2°F) in January, allowing for enjoyable beach-related activities.
The town observes less rainfall during the winter months, totalling 93mm (3.66") in December and further reducing to 25mm (0.98") in January. Hence, this period is relatively dry compared to the rest of the year. It is also noteworthy that sea temperatures average 28.1°C (82.6°F) in December and shoot up to 27.9°C (82.2°F) in January, allowing for enjoyable beach-related activities.
Weather in January
January sees Bentota, Sri Lanka kick-start the year with temperatures slightly lower than its peak, offering a more relaxed environment for sightseeing and other outdoor activities. The climate shows a pattern of stable weather with less rainfall making it pleasant for tourists. Weather in January »
Weather in February
February's weather in Bentota demonstrates mild changes from January, with the city still enjoying consistent, sunny weather. The transition from January to February sees an increase in both temperature and rainfall, yet it remains lower compared to the other months. Weather in February »
Weather in March
As we enter the month of March, Bentota's weather starts to display signs of its upcoming rainier period. Gradual changes are evident in the climatic conditions, but it doesn't diminish Bentota's charm as a tropical paradise. With torrential rains of 61mm (2.4") that increases from the preceding month, the city becomes fresher and greener. Weather in March »
Weather in April
April introduces Bentota to its rainiest period as the rainfall nearly doubles to reach 127mm (5") from the previous month. As a tropical country, the higher rainfall doesn't decrease Bentota's appeal as the showers are usually quickly replaced by bright, sunny weather. Weather in April »
Weather in May
Bentota's weather shifts more drastically in May as it enters the height of the rainy season. Visitors in May should be prepared to experience the tropical monsoon that brings over twice the rainfall of April with 303mm (11.93") received. Weather in May »
Weather in June
June carries onwards with the rainy season, featuring the year's highest rainfall of 350mm (13.78"). While the frequent showers are a dominant component of Bentota's weather this month, the winds carry a fresh breeze, enhancing the coastal beauty of Bentota. Weather in June »
Weather in July
July perpetuates the climate trend set by May and June, with heavy rains and strong winds continuing. Despite the monsoon season, Bentota continues to attract visitors with its rich biodiversity and spectacular landscapes. From higher rainfall to vibrant greenery, July showcases a different, dynamic face of Bentota, providing each visitor with a unique travel experience. Weather in July »
Weather in August
In August, Bentota begins to transition out of the rainy season, although rainfall remains relatively high at 282mm (11.1"). August's temperature and weather conditions create an ideal background for witnessing the lush landscapes rejuvenated by the monsoon. Weather in August »
Weather in September
September in Bentota witnesses a considerable regression in rainfall and is a step towards more predictable and dry weather. September brings a shift in weather patterns, leading to a decrease in rainfall, creating more opportunities to indulge in outdoor activities. Weather in September »
Weather in October
October marks another decrease in rainfall, as Bentota transitions out of the rainy season and into a period of drier weather. The weather conditions in October make it a peak time for tourism due to the clearer skies and warmer temperatures. Weather in October »
Weather in November
As November arrives, Bentota embraces a more predictable warm climate. November displays a harmonious blend of comfortable temperatures, modest sunshine, and reduced rainfall. With rainfall further decreasing to 133mm (5.24"), the city finds an increased influx of tourists looking forward to exploring the city comfortably. Weather in November »
Weather in December
December brings Bentota into its dry season, seeing a consistent decrease in rainfall and a persistent warm climate. The beginning of the year-end celebrations brings festive joy along with the comfortable weather. Ensuring a little rainfall of 93mm (3.66"), December invites tourists to experience the serene beaches and scenic views under the sunshine. Weather in December »
Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the least humid months in Bentota?
January and February, with an average relative humidity of 75%, are the least humid months in Bentota.
What is the driest month in Bentota?
The month with the least rainfall is January, when the rain falls for 8.9 days and typically collects 25mm (0.98") of precipitation.
How much does it rain in Bentota?
In Bentota, during the entire year, the rain falls for 273.8 days and collects up to 2059mm (81.06") of precipitation.
What month has the most sunshine in Bentota?
With an average of 9.2h of sunshine, January has the most sunshine of the year in Bentota.
When is the highest UV index in Bentota?
The months with the highest UV index in Bentota are January through April, July, September through December, with an average maximum UV index of 7.
What time of the year is the hottest in Bentota?
In Bentota, Sri Lanka, March and April are characterised by the peak of temperatures, recording an average high of 31.3°C (88.3°F).
What is the month with the warmest sea water in Bentota?
April is the month with the warmest seawater, with an average sea temperature of 29.6°C (85.3°F).
What are the months with the lowest UV index in Bentota?
May, June and August, with an average maximum UV index of 6, are months with the lowest UV index.
What is the most humid month in Bentota?
June through August, with an average relative humidity of 83%, are most humid months in Bentota.
What is the rainiest month in Bentota?
The month with the most rainfall in Bentota is June, when the rain falls for 29.2 days and typically aggregates up to 350mm (13.78") of precipitation.
When are the longest days in Bentota?
With an average of 12h and 30min of daylight, June has the longest days of the year.
What month is the sea coldest in Bentota?
July is the month with the coldest seawater in Bentota, Sri Lanka, with an average sea temperature of 27.3°C (81.1°F).
What part of the year is the coldest in Bentota?
The coldest month is August, with an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 25.5°C (77.9°F).
What is the month with the least sunshine in Bentota?
With an average of 6.8h of sunshine, November has the least sunshine of the year in Bentota.
What is the month with the shortest days in Bentota?
With an average of 11h and 48min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Bentota?
Bentota, Sri Lanka, does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Bentota, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.3°C).
The month with the lowest average high temperature is August (28.6°C).
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).
Average pressure
Bentota, Sri Lanka
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.7mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1009.9mbar - Average pressure in October:
1010mbar - Average pressure in November:
1009.9mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).
Average wind speed
Bentota, Sri Lanka
- Average wind speed in January:
12.2km/h - Average wind speed in February:
9.4km/h - Average wind speed in March:
7.9km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
13.3km/h - Average wind speed in June:
15.9km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
15.1km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
10.6km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
11.3km/h
The windiest month (with the highest average wind speed) is June (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.9km/h).
Average humidity
Bentota, Sri Lanka
The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (75%).
Average rainfall
Bentota, Sri Lanka
- Average rainfall in January:
25mm - Average rainfall in February:
32mm - Average rainfall in March:
61mm - Average rainfall in April:
127mm - Average rainfall in May:
303mm - Average rainfall in June:
350mm
- Average rainfall in July:
260mm - Average rainfall in August:
282mm - Average rainfall in September:
201mm - Average rainfall in October:
192mm - Average rainfall in November:
133mm - Average rainfall in December:
93mm
The wettest month (with the highest rainfall) is June (350mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days
Bentota, Sri Lanka
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
11.5 days - Average rainfall days in March:
19.9 days - Average rainfall days in April:
25.8 days - Average rainfall days in May:
28 days - Average rainfall days in June:
29.2 days
- Average rainfall days in July:
29.5 days - Average rainfall days in August:
29.5 days - Average rainfall days in September:
26.3 days - Average rainfall days in October:
25.2 days - Average rainfall days in November:
23.5 days - Average rainfall days in December:
16.5 days
The months with the highest number of rainy days are July and August (29.5 days).
The month with the least rainy days is January (8.9 days).
Average sea temperature
Bentota, Sri Lanka
The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is July (27.3°C).
Average daylight / Average sunshine
Bentota, Sri Lanka
- Average daylight in January:
11h and 5min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 3min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 5min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
9h and 1min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
7h and 5min - Average sunshine in August:
7h and 1min - Average sunshine in September:
7h and 4min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 5min - Average sunshine in December:
7h and 1min
The month with the most sunshine is January (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days
Bentota, Sri Lanka
- Average sunshine days in January:
21 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
7.4 days - Average sunshine days in April:
2.3 days - Average sunshine days in May:
1.2 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.3 days - Average sunshine days in August:
0.5 days - Average sunshine days in September:
1.4 days - Average sunshine days in October:
3.4 days - Average sunshine days in November:
5.8 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is January (21 days).
The months with the least sunshine days are June and July (0.3 days).
Average UV index
Bentota, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and August (UV index 6).
Average cloud cover
Bentota, Sri Lanka
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility
Bentota, Sri Lanka
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
