Monthly weather forecast and Climate
Bentota, Sri Lanka LK

The warmest month (with the highest average high temperature) is April (32°C).
Months with the lowest average high temperature are June, July, August, September, October, November and December (30°C).

Months with the highest average low temperature are May, June, July, August and September (25°C).
The coldest month (with the lowest average low temperature) is January (22°C).

The wettest month (with the highest rainfall) is May (388mm).
The driest month (with the lowest rainfall) is January (73mm).

The month with the highest number of rainy days is October (15 days).
Months with the lowest number of rainy days are January and February (5 days).

The best month for swimming (with the highest average sea temperature) is April (30°C).
Coldest months (with the lowest average sea temperature) are July, August and September (27°C).

Months with the longest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12h).
Months with shortest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12h).

The month with most sunshine is March (Average sunshine: 9h).
Months with least sunshine are May, June, July, August, September and October (Average sunshine: 6).

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).