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Contents
- The climate of Galle
- The best time to visit Galle
- The worst time to visit Galle
- Spring weather in Galle
- Summer weather in Galle
- Autumn weather in Galle
- Winter weather in Galle
- 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
The climate of Galle
Galle, located in Sri Lanka, experiences an Af climate under the Köppen climate classification - also known as a tropical rainforest climate. The region stands out due to its high humidity levels, significant rainfall throughout the year, and consistently warm temperatures.
Temperature in Galle remains relatively steady throughout the year, exhibiting minor variations between months. The highest average temperature is noted in March and April at 30.3°C (86.5°F), with a decrease to 28.3°C (82.9°F) observed during August and September. At night, the lowest mean temperatures range between 24°C (75.2°F) in January, with a peak of 26.7°C (80.1°F) in May.
Relative humidity varies slightly from month to month, resting at 78% in January and April, and reaching a peak of 82% between June and September. The city experiences the most rainfall in May, at a volume of 302mm (11.89"), while the driest month, January, sees 38mm (1.5") falling.
Galle's weather pattern shows that the city receives appreciable daylight hours throughout the year, with the minimum being 11.8 hrs in January and December and a slightly longer duration of 12.5 hrs in June. Simultaneously, the area exhibits high cloud coverage, ranging from 38% in January and December to 51% in June.
The city is windy throughout the year, with wind speeds climbing from January’s 7.8 KPH to a peak of 20.2 KPH in June.
Temperature in Galle remains relatively steady throughout the year, exhibiting minor variations between months. The highest average temperature is noted in March and April at 30.3°C (86.5°F), with a decrease to 28.3°C (82.9°F) observed during August and September. At night, the lowest mean temperatures range between 24°C (75.2°F) in January, with a peak of 26.7°C (80.1°F) in May.
Relative humidity varies slightly from month to month, resting at 78% in January and April, and reaching a peak of 82% between June and September. The city experiences the most rainfall in May, at a volume of 302mm (11.89"), while the driest month, January, sees 38mm (1.5") falling.
Galle's weather pattern shows that the city receives appreciable daylight hours throughout the year, with the minimum being 11.8 hrs in January and December and a slightly longer duration of 12.5 hrs in June. Simultaneously, the area exhibits high cloud coverage, ranging from 38% in January and December to 51% in June.
The city is windy throughout the year, with wind speeds climbing from January’s 7.8 KPH to a peak of 20.2 KPH in June.
The best time to visit Galle
As Galle has a tropical rainforest climate, visitors can expect warm temperatures throughout the year. However, the period from January to March presents the most favorable time to travel to the region. These months mark lower rainfall levels (from 38mm (1.5") in January to 68mm (2.68") in March), paired with consistent temperatures (from 29.2°C (84.6°F) to 30.3°C (86.5°F)), and higher daylight hours that vary from 11.8 to 12.1.
The worst time to visit Galle
Traveling to Galle in May might not be favorable for tourists due to the high rainfall of 302mm (11.89") and increased cloud coverage, standing at 50%. Despite a pleasant average temperature of 29.5°C (85.1°F) and a relatively high number of daylight hours (12.4hrs), the likelihood of heavy rainfall might disrupt outdoor activities.
Spring weather in Galle
Galle does not experience a traditional spring due to its tropical rainforest climate. However, for the purpose of providing a three-month climatological breakdown, March to May can be treated as a local reference to spring months. This period sees climbing temperatures, from 30.3°C (86.5°F) in March to 29.5°C (85.1°F) in May. Simultaneously, rainfall dramatically increases from 68mm (2.68") in March to 302mm (11.89") in May.
Summer weather in Galle
Taking into account the city's tropical climate, the typical summer months - June through August - bring an increase in rainfall (from 250mm (9.84") to 235mm (9.25")) and wind speed (from 20.2 KPH to 19.5 KPH). The temperatures, however, decrease slightly from 28.8°C (83.8°F) to 28.3°C (82.9°F). Relative humidity increases from 82% in June to 81% in August.
Autumn weather in Galle
September to November, referred to as autumn, brings an increased rainfall pattern from 222mm (8.74") to 179mm (7.05"). Meanwhile, temperatures rise from 28.3°C (82.9°F) in September to 29.2°C (84.6°F) in November. Wind speeds decrease during these months from 17.3 KPH to 9.8 KPH.
Winter weather in Galle
Galle does not have a traditional winter weather due to its tropical climate, but during the typical winter months from December to February, weather factors vary minimally. Average temperatures range from 28.9°C (84°F) to 29.7°C (85.5°F), rainfall levels fluctuate between 114mm (4.49") to 50mm (1.97"), with wind speeds varying from 9.4KPH to 8 KPH. Remarkably, these months experience lower cloud coverage, peaking at 38% in December and staying the same in January.
Weather in January
January in Galle, Sri Lanka brings a relatively mild introduction to the year. Often, the city experiences a more agreeable climate, balancing a slightly cooler temperature compared to the other months. Also, sea temperatures are enjoyable, attracting a substantial influx of tourists. Weather in January »
Weather in February
February brings a slight spike in temperature and rainfall to Galle in comparison to January. Even though the difference is slight, it does not go unchecked by the residents. During this month, a slight shift in the daily weather patterns becomes noticeable. Weather in February »
Weather in March
Moving on to March, temperatures can reach an average high of 30.3°C (86.5°F). It marks the start of a more tropical climate, with an uptick in rainfall, specifically, up to 68mm (2.68"). It is not uncommon to experience increased humidity levels during this period. Weather in March »
Weather in April
April sees more rain showers in Galle than in the preceding months. The city is now fully enveloped in its tropical character, defined by frequent showers and continuous humidity. Despite torrential downpours, locals and tourists alike find the city's climate bearable, thanks to the lingering sea breezes, which lessen the perceived temperature. Weather in April »
Weather in May
In May there is a significant increase in rainfall within the city of Galle. Residents transition into a weather period characterized by heavier rains, reaching up to 302mm (11.89"). Concurrently, the days in May are rather gloomy, with sunshine being less prevalent than in the past months. Weather in May »
Weather in June
June displays somewhat stabilized weather conditions in Galle. The overall weather pattern evens out from the extremes of the previous months. In comparison to May, there is a reduction in rainfall, making June a relatively drier month. Weather in June »
Weather in July
The consistency in weather patterns extends into July. With an average high of 28.7°C (83.7°F), the summer heat remains stable in Galle. The showers exhibit a sporadic dispersal throughout the day, making it an opportune time to explore the city. Weather in July »
Weather in August
Come August, the city of Galle experiences sustained cooler winds with a speed of 19.5km/h (12.1mph). The months' humidity is significantly high, as is typical of tropical climates, especially in this monsoon period. However, August offers an enjoyable equilibrium of temperate and cooling spells, thanks to the wind factor. Weather in August »
Weather in September
Attributed to the tropical nature of the region, September in Galle introduces increased rainfall, totaling 222mm (8.74") for the month. Yet, the weather fluctuates less dramatically in terms of temperature and wind speed compared to other months. Weather in September »
Weather in October
October views a brief relief from the increased rainfall, with records showing a decrease to 194mm (7.64"). There remains a moderately high level of rainfall, albeit less than the previous month. The dashes of rain can affect visibility in Galle, but the town trudges on, unfettered. Weather in October »
Weather in November
November is a period of a somewhat predictable weather pattern in Galle. The mixture of lots of legible daylight and steady winds creates a pleasant atmospheric environment. While rainfall persists, it slightly drops to 179mm (7.05"), coupled with a similarly decreasing sea temperature, thus continuing the trend from the previous month. Weather in November »
Weather in December
By December, the weather in Galle begins to dry out, marking the transition from the rainy season. Consequently, there is an immediate shift in weather patterns with a noticeable decrease in rainfall - to 114mm (4.49"). Despite this smaller amount of rain, atmospheric pressure remains relatively consistent. Weather in December »
[Resources]Frequently asked questions
What is the driest month in Galle?
The month with the least rainfall in Galle is January, when the rain falls for 14.8 days and typically collects 38mm (1.5") of precipitation.
How much does it rain in Galle?
In Galle, Sri Lanka, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.
What is the month with the highest UV index in Galle?
The months with the highest UV index are January through April, June through August, October through December, with an average maximum UV index of 7.
What are the least humid months in Galle?
February and March, with an average relative humidity of 77%, are the least humid months.
What time of the year is the hottest in Galle?
During March and April, Galle experiences its average highest temperatures, peaking at 30.3°C (86.5°F).
When is the sea warmest in Galle?
April is the month with the warmest seawater, with an average sea temperature of 29.6°C (85.3°F).
What month has the most sunshine in Galle?
April has the most sunshine of the year in Galle, Sri Lanka, with an average of 9.3h of sunshine.
What is the wettest month in Galle?
May is the month with the most rainfall in Galle, Sri Lanka. Rain falls for 27.7 days and accumulates 302mm (11.89") of precipitation.
When is the lowest UV index in Galle?
May and September, with an average maximum UV index of 6, are months with the lowest UV index in Galle.
What is the most humid month in Galle?
June and September, with an average relative humidity of 82%, are most humid months.
When are the longest days in Galle?
The month with the longest days in Galle, Sri Lanka, is June, with an average of 12h and 30min of daylight.
What month is the coldest in Galle?
Galle experiences its coldest period in August and September, averaging a high-temperature of 28.3°C (82.9°F).
When is the sea coldest in Galle?
August is the month with the coldest seawater, with an average sea temperature of 27.5°C (81.5°F).
What is the month with the shortest days in Galle?
With an average of 11h and 48min of daylight, December has the shortest days of the year in Galle.
Is there Daylight Saving Time (DST) in Galle?
Galle does not utilize Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
What is the month with the least sunshine in Galle?
The month with the least sunshine in Galle is December, with an average of 7h of sunshine.
Average temperature
Galle, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure
Galle, Sri Lanka
- Average pressure in January:
1011.4mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1008.9mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.6mbar - Average pressure in September:
1010.2mbar - Average pressure in October:
1010.2mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.2mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed
Galle, Sri Lanka
- Average wind speed in January:
7.8km/h - Average wind speed in February:
8km/h - Average wind speed in March:
8.7km/h - Average wind speed in April:
10km/h - Average wind speed in May:
16.3km/h - Average wind speed in June:
20.2km/h
- Average wind speed in July:
19.9km/h - Average wind speed in August:
19.5km/h - Average wind speed in September:
17.3km/h - Average wind speed in October:
13.5km/h - Average wind speed in November:
9.8km/h - Average wind speed in December:
9.4km/h
The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).
Average humidity
Galle, Sri Lanka
The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall
Galle, Sri Lanka
- Average rainfall in January:
38mm - Average rainfall in February:
50mm - Average rainfall in March:
68mm - Average rainfall in April:
134mm - Average rainfall in May:
302mm - Average rainfall in June:
250mm
- Average rainfall in July:
188mm - Average rainfall in August:
235mm - Average rainfall in September:
222mm - Average rainfall in October:
194mm - Average rainfall in November:
179mm - Average rainfall in December:
114mm
The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days
Galle, Sri Lanka
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
21.3 days - Average rainfall days in April:
26.2 days - Average rainfall days in May:
27.7 days - Average rainfall days in June:
28 days
- Average rainfall days in July:
25.7 days - Average rainfall days in August:
27.7 days - Average rainfall days in September:
24.5 days - Average rainfall days in October:
26.3 days - Average rainfall days in November:
26.3 days - Average rainfall days in December:
22.1 days
The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).
Average sea temperature
Galle, 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 August (27.5°C).
Average daylight / Average sunshine
Galle, 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 2min - 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 0min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 1min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
8h and 2min - Average sunshine in August:
8h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
8h and 1min - Average sunshine in November:
7h and 1min - Average sunshine in December:
7h and 0min
The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Galle, Sri Lanka
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
6.9 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
1.4 days - Average sunshine days in June:
1 days
- Average sunshine days in July:
3.3 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
2.4 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
2.4 days - Average sunshine days in December:
6.4 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).
Average UV index
Galle, Sri Lanka
The months with the highest UV index are January, February, March, April, June, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May and September (UV index 6).
Average cloud cover
Galle, Sri Lanka
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility
Galle, Sri Lanka
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).
Galle, Sri Lanka
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