Average monthly snow and rainfall in Chilaw
The mean monthly precipitation over the year in Chilaw (Puttalam District), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June, July, August, September, October, November and December.
- On average, October is the wettest month with 302 mm of precipitation.
- On average, January is the driest month with 43 mm of precipitation.
- The average amount of annual precipitation is 1901 mm.
Weather Forecasts for Chilaw
broken clouds and thunder
partly cloudy and chance of rain
partly cloudy and small chance of slight rain