29 to 32°C
temperature
3086 hours
sunshine per day
1414 mm
rain
105 days
dry
260 days
rain
0 days
snow

Climate of Chilaw

Chilaw has a tropical monsoon climate. You have high temperatures and a lot of rainfall throughout the year. The average annual temperature for Chilaw is 30° degrees and there is about 1415 mm of rain in a year. It is dry for 86 days a year with an average humidity of 78% and an UV-index of 7.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 29°C and 32°C
  • Night:the average nighttime temperature is between 23°C and 26°C
  • Sea temperature: the sea temperature is between 24°C and 30°C
  • Rain: it rains 260 days and there is a total of approximately 1414 mm rainfall
  • Sun hours: throughout the year there are 3086 sun hours
Maximum temperature: between 29°C and 32°C
Warmest month: 32°C in February
Coldest month: 29°C in July
Night temperature: between 23°C and 26°C
Sea temperature: between 24°C and 30°C
Dry days: 105 days
Days with rain: 260 days
Days with snow: 0 days
Total rain sum: 1414 mm
Hours of sunshine: 3086 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Chilaw.

Precipitation graph

This graph shows the average amount of rainfall per month for Chilaw.

Climate table of Chilaw

In this climate table you can see at a glance what the average weather per month is for Chilaw. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Chilaw might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 31 32 32 32 31 30 29 29 30 30 30 30
Night temp. (°C) 23 23 25 26 26 26 25 25 25 25 24 24
Water temp. (°C) 24 25 26 27 28 28 27 27 28 30 29 28
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 27 37 53 84 174 178 145 145 115 192 163 101
Days with rain 9 10 18 23 26 27 27 28 24 25 23 20
Dry days 22 18 13 7 5 3 4 3 6 6 7 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 9 9 9 10 9 9 9 8 8 8 7 7
Wind force (Bft) 3 3 2 2 3 3 3 3 3 3 2 3
UV-index 7 7 7 7 7 6 7 6 7 7 7 7

Best time to visit Chilaw

The best time to visit Chilaw in Sri Lanka is from January through April. In this period you have a warm temperature and little precipitation. The highest average temperature in Chilaw is 32°C in February and the lowest is 29°C in July. The average water temperature is between 24°C and 30°C.

Climate of Chilaw by month

What is the average climate in a given month for Chilaw? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Chilaw weather experiences

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