The hottest month in Weligama Beach is July when the average maximum temperature is 34°, average temperature is 30° and average minimum temperature is 26°.
The coolest month in Weligama Beach is February when the average maximum temperature is 32°, average temperature is 27° and average minimum temperature is 22°.
The longest days in Weligama Beach 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 Weligama Beach 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.
The warmest sea water temperatures in Weligama Beach are found in April when they peak at 30° and lowest in January when they dip to 28°.
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.
The most humid month in Weligama Beach 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 Weligama Beach is February with a dew point of 22° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The most windy month in Weligama Beach is July when the average maximum windspeed is 39kmh and the average wind speed is 21kmh.
The least windy month in Weligama Beach is April when the average maximum windspeed is 18kmh and the average wind speed is 6kmh.