Annual average weather for Unawatuna Beach, Unawatuna, Sri Lanka

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Annual Average Weather for Unawatuna Beach, Unawatuna, Sri Lanka

The annual average maximum daily temperature is 30.6°C (87.0°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 28.3°C (82.9°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 12.2 days of rain per month and 8.9 hours of sun per day.

When is the best time to visit Unawatuna Beach?

The best months to visit Unawatuna Beach are January, February, March, July, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between September and May when the sea temperature is above the average 28°C (83°F) which is very warm and ideal for relaxing and swimming for the whole day.

Can you sunbathe in Unawatuna Beach year round?

Yes, you can sunbathe in Unawatuna Beach all year round.

The coolest month in Unawatuna Beach is January when the average maximum temperature is 31°C (88°F), average temperature is 27°C (80°F) and average minimum temperature is 23°C (73°F).

More info about the annual temperatures and sunshine.

Can you swim in Unawatuna Beach year round?

Yes, you can swim in Unawatuna Beach all year round.

The warmest sea water temperatures in Unawatuna Beach are found in April when they peak at 30°C (87°F) and lowest in August when they dip to 27°C (81°F).

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.

More info about the annual sea temperatures

When is the hottest month in Unawatuna Beach?

The hottest month in Unawatuna Beach is February when the average maximum temperature is very hot and perfect for sunbathing on clear days 32°C (89°F), average temperature is 27°C (81°F) and average minimum temperature is 23°C (73°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Unawatuna Beach?

The coolest month in Unawatuna Beach is January when the average maximum temperature is 31°C (88°F), average temperature is 27°C (80°F) and average minimum temperature is 23°C (73°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Unawatuna Beach?

The sunniest days in Unawatuna Beach are in February which has the most hours of sunshine per day. In February the sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.4hrs making the days long and bright.

More info about the annual sunshine.

When is the least sunny month in Unawatuna Beach?

June has the least sunshine. In June the sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright.

More info about the annual sunshine.

When is the driest month in Unawatuna Beach?

The driest month in Unawatuna Beach is February with 7.5cm (3.0inches) of rain and the least days of rain with 5.3 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Unawatuna Beach?

The wettest month in Unawatuna Beach is November with 31.4cm (12.4inches) of rain and October has the most days of rain with 20.1 days with some rain, a very wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Unawatuna Beach?

The coldest sea water temperatures in Unawatuna Beach are found in August when they dip to 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the sea the warmest in Unawatuna Beach?

The warmest sea water temperatures in Unawatuna Beach are found in April when they peak at 30°C (87°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in Unawatuna Beach?

The most humid month in Unawatuna Beach is May with a dew point (an indicator of humidity) of 26°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in Unawatuna Beach?

The least humid month in Unawatuna Beach is January with a dew point of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

More info about the annual humidity.

When is the windiest month in Unawatuna Beach?

The most windy month in Unawatuna Beach is January when the average maximum windspeed is 24KM/H (15MPH) and the average wind speed is 14KM/H (9MPH).

More info about the annual wind conditions.

Annual Temperature for Unawatuna Beach

The hottest month in Unawatuna Beach is February when the average maximum temperature is 32°C (89°F), average temperature is 27°C (81°F) and average minimum temperature is 23°C (73°F).

The coolest month in Unawatuna Beach is January when the average maximum temperature is 31°C (31°F), average temperature is 27°C (80°F) and average minimum temperature is 23°C (73°F).

Annual Sunshine for Unawatuna Beach

The longest days in Unawatuna 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 Unawatuna Beach are in February which has the most hours of sunshine per day. The sunshine percentage is 79% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.4hrs making the days long and bright.

June has the least sunshine. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright.

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 Unawatuna Beach

The warmest sea water temperatures in Unawatuna Beach are found in April when they peak at 30°C (87°F) and lowest in August when they dip to 27°C (81°F).

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 Unawatuna Beach

The wettest month in Unawatuna Beach is November with 31.4cm (12.4inches) of rain and October has the most days of rain with 20.1 days with some rain, a very wet time to visit the beach.

The driest month in Unawatuna Beach is February with 7.5cm (3.0inches) of rain and the least days of rain with 5.3 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Unawatuna Beach

The most humid month in Unawatuna Beach is May with a dew point (an indicator of humidity) of 26°C (78°F) 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 Unawatuna Beach is January with a dew point of 23°C (73°F) 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 Unawatuna Beach

The most windy month in Unawatuna Beach is January when the average maximum windspeed is 24KM/H (15MPH) and the average wind speed is 14KM/H (9MPH).

The least windy month in Unawatuna Beach is November when the average maximum windspeed is 18KM/H (11MPH) and the average wind speed is 9KM/H (5MPH).

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