Climate and monthly weather forecastWeligama, Sri Lanka
Climate and monthly weather forecast
The climate of Weligama
Situated on the southern coastal line of Sri Lanka, the town of Weligama falls under the Tropical Rainforest (Af) Köppen climate classification. The predominant climate, characterized by significant rainfall throughout the year, makes it a region of dense vegetation and high humidity.Throughout the year, the temperature remains relatively stable in Weligama. Typical high temperatures range from 29.1°C (84.4°F) to 31.1°C (88°F) while lows fall within the interval of 23°C (73.4°F) to 26.3°C (79.3°F), presenting a narrow fluctuation that sustains the overall warmth of the region. Relative humidity remains relatively high all year round, varying between 77 to 81%.
Monthly rainfall varies between 22mm (0.87") to 66mm (2.6") and the number of rainfall days ranges from 10.7 to 19.8 days. This pattern of weather indicates a consistent supply of rain every month with no dry season. The town experiences exposure to sunlight for around 11.8 to 12.5 hours per day with sunshine hours ranging from 6.9 to 9.7 hours.
The wind speed in Weligama is moderate and ranges from 9km/h (5.6mph) to 18.9km/h (11.7mph) with wind gusts reaching as high as 27km/h (16.8mph). Despite its tropical rainforest climate, Weligama does not exhibit patterns of extreme weather conditions such as tornadoes or severe storms.
The best time to visit Weligama
Discerning the right time to visit Weligama can depend on the visitor's preference, especially in terms of outdoor activities and weather preference. However, considering the climatic conditions, the period between February and April sees marginally less rainfall along with higher sunshine hours, ranging from 9km/h (5.6mph) to 9.7km/h (6mph). The temperature also stays in a comfortable range, indicating this period to be an appropriate time for a visit.The worst time to visit Weligama
Despite the year-round rainfall, the months of October and November receive the highest precipitation, measuring 63mm (2.48") and 66mm (2.6") respectively. Alongside, these months also record a high number of rainfall days that are accompanied by lesser sunshine hours. Visitors might find their outdoor plans curtailed due to these conditions.Spring weather in Weligama
In Weligama, the months of March, April, and May mark the spring. During this time, the town experiences a slight uptick in both temperatures and rainfall. High temperatures range from 31.1°C (88°F) in both March and April to 30.3°C (86.5°F) in May, while the lower temperatures range from 24.3°C (75.7°F) to 26.3°C (79.3°F). Rainfall measurements rise from 32mm (1.26") to 54mm (2.13") through these months, with the number of rainfall days also gradually increasing.Summer weather in Weligama
Summer in Weligama spans the months of June, July, and August. The season presents minor drops in temperature, with highs ranging from 29.6°C (85.3°F) to 29.3°C (84.7°F) and lows between 26°C (78.8°F) and 25.3°C (77.5°F). Rainfall levels are relatively lower, with readings between 28mm (1.1") to 43mm (1.69"). Notably, wind speeds pick up during the summer, averaging between 18.8km/h (11.7mph) to 18.3km/h (11.4mph).Autumn weather in Weligama
During autumn, constituting the months of September, October, and November, Weligama deals with the most rainfall, varying from 48mm (1.89") in September to a yearly high of 66mm (2.6") in November. While temperatures slightly decrease, falling between 29.1°C (84.4°F) and 29.8°C (85.6°F) for highs and 25.3°C (77.5°F) to 24.5°C (76.1°F) for lows, the increase in cloud cover and rainfall means fewer sunshine hours.Winter weather in Weligama
The winter season, from December to February, sees temperatures slightly reducing with highs ranging from 29.9°C (85.8°F) in December to 30.2°C (86.4°F) in February and lows from 23.8°C (74.8°F) in December to 23.5°C (74.3°F) in February. Rainfall measures decrease during these months, falling between 22mm (0.87") to 30mm (1.18"). The reduction in rain, paired with stable temperatures, makes winter a popular period to visit Weligama.Weather in January
When the year starts off in Weligama, it flaunts a refreshing blend of moderate temperatures, relatively lower humidity, and a balanced proportion of sunshine. These conditions provide a welcoming atmosphere. A noticeable drop in the rainfall at 22mm (0.87") coupled with modest wind speeds sets the stage for splendid outdoor experiences. Weather in January »Weather in February
Approaching February, the weather in Weligama sees a subtle shift. The temperature follows an upward curve, and there is a slight increase in rainfall. It indicates the onset of a moderately warmer breeze that infuses an exciting variant into this coastal experience. Weather in February »Weather in March
The weather gradually warms up as March approaches Weligama, reflecting a typical coastal city transitioning into the mid-year phase. The slight increase in temperature and humidity creates a distinct tropical atmosphere. Enthusiastic surfers take advantage of this period to enjoy longer surfing hours as the average swell height tends to increase. Weather in March »Weather in April
As April unfolds in Weligama, the mercury begins to make its presence felt. It sees the city's hottest temperatures amidst stimulating ocean winds. Routine beach activities continue at a steady pace thanks to the refreshing sea winds. Weather in April »Weather in May
Weather conditions in Weligama take a dramatic turn in May. This period marks the city's rainiest month with the rainfall scaling up to 54mm (2.13"). Consequently, spontaneous showers may pop up, warranting makeshift indoor plans. On some days the city gets shrouded in romantic drizzles making it a haven for couples. Weather in May »Weather in June
Come June, and Weligama experiences a dip in temperature and a noticeable reduction in the rainfall to 28mm (1.1"). This period brings solace from the soaring summer heat and heavy showers. Coconut groves and tea plantations offer a refreshing get-away for tourists, amid the slightly cooler climes. Weather in June »Weather in July
In July, Weligama’s weather remains quite consistent with the previous month. There is a smaller chance of rainfall interruptions, a result of the observed reduction to 29mm (1.14"). The right blend of sun, sand, and sea continues to appeal to the holiday seekers. Weather in July »Weather in August
Weligama weather in August witnesses a slight rise in rainfall at 43mm (1.69"), but the temperature levels stay comfortable. Despite the minor fluctuations in weather parameters, holiday activities such as snorkeling and scuba diving remain popular. Weather in August »Weather in September
September brings tranquillity to the weather dynamics in Weligama. A steady climate encourages outdoor events and exploration. This month makes an excellent time for whale watching tours and marine life explorations thanks to the calm sea currents. Weather in September »Weather in October
October witnesses the most significant amount of rainfall in Weligama as it surges to 63mm (2.48"). This fact does not deter the spirit of tourists who adapt to the weather by including more indoor and cultural activities in their itinerary. Weather in October »Weather in November
As November rolls in, Weligama undergoes slight cooling with diminishing rainfall. The humidity levels fall gradually, giving a slight respite from the coastal heat. Despite the modest decrease, the rainfall at 66mm (2.6") remains substantial. Weather in November »Weather in December
December marks the end of the year in Weligama with a slight dip in temperature. Variations in weather elements remain minimal although the rainfall stands appreciable at 48mm (1.89"). Weligama welcomes the festive season with its string of events, celebrations, and carnivals. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Weligama, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.1°C).
The month with the lowest average high temperature is September (29.1°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°C).
Average pressure
Weligama, 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:
1009.1mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.5mbar - Average pressure in September:
1010.2mbar - Average pressure in October:
1010.1mbar - 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
Weligama, Sri Lanka
- Average wind speed in January:
9km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
9.6km/h - Average wind speed in April:
9.4km/h - Average wind speed in May:
15.4km/h - Average wind speed in June:
18.8km/h
- Average wind speed in July:
18.9km/h - Average wind speed in August:
18.3km/h - Average wind speed in September:
16.3km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
9.2km/h - Average wind speed in December:
9.6km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is January (9km/h).
Average humidity
Weligama, Sri Lanka
The months with the highest relative humidity are May, September and November (81%).
The months with the lowest relative humidity are January and February (77%).
Average rainfall
Weligama, Sri Lanka
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days
Weligama, Sri Lanka
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
19.7 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
19.8 days - Average rainfall days in December:
17.5 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is June (10.7 days).
Average daylight / Average sunshine
Weligama, Sri Lanka
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 54min - Average daylight in December:
11h and 48min
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:
8h and 54min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
9h and 42min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
8h and 30min - Average sunshine in August:
8h and 0min - Average sunshine in September:
8h and 36min - Average sunshine in October:
8h and 6min - Average sunshine in November:
7h and 30min - Average sunshine in December:
6h and 54min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Weligama, Sri Lanka
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
17.5 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
7.8 days - Average sunshine days in December:
11.2 days
The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is November (7.8 days).
Average UV index
Weligama, Sri Lanka
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Weligama, Sri Lanka
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility
Weligama, Sri Lanka
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





