Monthly weather forecast and Climate
Bentota, Sri Lanka LK

Warmest month (with highest average high temperature) is April (90°F).
Months with lowest average high temperature are June, July, August, September, October, November and December (86°F).

Months with highest average low temperature are May, June, July, August and September (77°F).
Coldest month (with lowest average low temperature) is January (72°F).

Wettest month (with highest rainfall) is May (15.3").
Driest month (with lowest rainfall) is January (2.9").

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

Best month for swimming (with highest average sea temperature) is April (86°F).
Coldest months (with lowest average sea temperature) are July, August and September (81°F).

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

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

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