Climate in Colombo (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.

Average monthly minimum and maximum temperature in Colombo, Sri Lanka

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Colombo, Sri Lanka

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Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Colombo, Sri Lanka

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Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Colombo, Sri Lanka

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Colombo, Sri Lanka

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Colombo, Sri Lanka

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in Colombo, Sri Lanka

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Weather Forecasts for Colombo

Tue   Mar 19
33°C | 25°C
W 22 km/h
almost clear and no rain

almost clear and no rain

Wed   Mar 20
32°C | 25°C
W 14 km/h
0.8 mm
partly cloudy and small chance of rain

partly cloudy and small chance of rain

Thu   Mar 21
32°C | 25°C
NW 18 km/h
5.2 mm
partly cloudy and thunder

partly cloudy and thunder

The best time of year to visit Colombo in Sri Lanka

Colombo features a tropical monsoon climate. The city has two rainy seasons and a lot of precipitation in between; an average of more than 2500 mm of precipitation annually. Temperatures are almost constant throughout the year: the average daily temperature is around 30°C. Together with the abundant precipitation, this makes for high humidity. The best time of year to visit Colombo is in January, February, July and August.

Colombo has high temperatures year round ranging between 30°C and 32°C.
Other facts from our historical weather data:

  • Which is the hottest month in Colombo?
    March has an average maximum temperature of 33°C and is the hottest month of the year.
  • Which is the coolest month in Colombo?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Colombo?
    October tops the wettest month list with 355 mm of rainfall.
  • Which is the driest month in Colombo?
    January is the driest month with 71 mm of precipitation.
  • Which is the sunniest month in Colombo?
    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.