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Climate in Dehiwala (Colombo District), Sri Lanka

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Weather Forecasts for Dehiwala

Sat   Apr 27
33°C | 27°C
S 11 km/h
2.4 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Sun   Apr 28
32°C | 27°C
NW 14 km/h
5.2 mm
broken clouds and thunder

broken clouds and thunder

Mon   Apr 29
34°C | 27°C
NW 11 km/h
6.5 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Dehiwala in Sri Lanka

Dehiwala has high temperatures year round ranging between 29°C and 32°C.
Other facts from our historical weather data:

  • Which is the hottest month in Dehiwala?
    March has an average maximum temperature of 33°C and is the hottest month of the year.
  • Which is the coolest month in Dehiwala?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Dehiwala?
    October tops the wettest month list with 355 mm of rainfall.
  • Which is the driest month in Dehiwala?
    January is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in Dehiwala?
    March is the sunniest month with an average of 276 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.