Annual average weather for Southern Province, Sri Lanka

Annual Temperature for Southern Province

The hottest month in Southern Province is March when the average maximum temperature is 32°, average temperature is 28° and average minimum temperature is 24°.

The coolest month in Southern Province is January when the average maximum temperature is 31°, average temperature is 27° and average minimum temperature is 23°.

Annual Sunshine for Southern Province

The longest days in Southern Province are in June, with an average of 12.5 hours of daylight per day. January has the shortest days with an average of 11.8 hours of daylight per day.

The sunniest days in Southern Province are in February which has the most hours of sunshine per day with an average of 9.4 hours of sunshine per day, making it a sunny month with few clouds. June has the least sunshine with an average of 8.1 hours of sunshine per day, making it a sunny month with few clouds.

The ultraviolet index is the highest in March when it reaches 15.1 and lowest in December when it reaches 11.5.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Southern Province

The warmest sea water temperatures in Southern Province are found in April when they peak at 30° and lowest in August when they dip to 27°.

The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for Southern Province

The wettest month in Southern Province is May with 0.7cm of rain and October has the most days of rain with 18.4 days with some rain, a wet time to visit the beach.

The driest month in Southern Province is February with 0cm of rain and the least days of rain with 3.9 days with some rain, a very dry time to visit the beach.

Annual Humidity for Southern Province

The most humid month in Southern Province is May with a dew point (an indicator of humidity) of 25° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in Southern Province is January with a dew point of 23° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

Annual Wind Speed for Southern Province

The most windy month in Southern Province is July when the average maximum windspeed is 28kmh and the average wind speed is 17kmh.

The least windy month in Southern Province is April when the average maximum windspeed is 18kmh and the average wind speed is 8kmh.

Monthly Averages

Suggested Beaches

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