Monthly weather forecast and climate
Unawatuna, Sri Lanka

What is the coldest month in Unawatuna?

Coldest months are January, June through December, with an average high-temperature of 29°C (84.2°F).

How much does it rain in Unawatuna?

Throughout the year, there are 122 rainfall days, and 2503mm (98.5") of precipitation is accumulated.

What is the driest month in Unawatuna?

The month with the least rainfall in Unawatuna, Sri Lanka, is January when the rain falls for 5 days and typically collects 94mm (3.7") of precipitation.

What is the warmest month in Unawatuna?

March and April, with an average high-temperature of 31°C (87.8°F), are warmest months.

What is the rainiest month in Unawatuna?

The month with the most rainfall in Unawatuna, Sri Lanka, is October when the rain falls for 14 days and typically aggregates up to 340mm (13.4") of precipitation.
Average temperature - Unawatuna, Sri Lanka

Warmest months (with the highest average high temperature) are March and April (31°C).
Months with the lowest average high temperature are January, June, July, August, September, October, November and December (29°C).

The month with the highest average low temperature is May (25°C).
Coldest months (with the lowest average low temperature) are January, February, November and December (22°C).

Average rainfall - Unawatuna, Sri Lanka

The wettest month (with the highest rainfall) is October (340mm).
The driest month (with the lowest rainfall) is January (94mm).

Average rainfall days - Unawatuna, Sri Lanka

Months with the highest number of rainy days are October and November (14 days).
Months with the lowest number of rainy days are January and February (5 days).

Average sea temperature - Unawatuna, Sri Lanka

The best month for swimming (with the highest average sea temperature) is April (30°C).
Coldest months (with the lowest average sea temperature) are January, February, June, July, August, September, October and December (28°C).

Average daylight / Average sunshine - Unawatuna, Sri Lanka

The month with the longest days is June (Average daylight: 12.5h).
Months with shortest days are January and December (Average daylight: 11.8h).

Months with most sunshine are February and March (Average sunshine: 8h).
Months with least sunshine are May, June, July, August, September, October and November (Average sunshine: 6).

Average UV index - Unawatuna, Sri Lanka

Months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are November and December (UV index 11).

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