Average monthly temperatures
Kalutara has a tropical climate with high temperates throughout the year, as with most tropical destinations there are both dry and rainy seasons, although even during the wetter months there are usually plenty of hot perfect sunny days and any rainfall usually comes in heavy showers which clear quickly.
The best time to visit is between January and March when the weather is most settled.
The hottest month of the year is April with an average daily maximum of 33 C and an average low of 25 C.
The coolest month of the year is September with an average daily maximum of 30 C and an average low of 26 C.
Sunshine and rainfall
The driest month is January with 11 mm of rainfall and 30 perfect sunny days. The wettest month is May with 140 mm of rain over 8 days.
Best time to be on the beach
You should be able to enjoy the beach at any time of the year.