Colombo weather in December 2019

  • 30°C maximum daytime temperature in December in Colombo30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in December in Colombo10
    10 days with some rainfall
  • 22°C minimum night-time temperature in December in Colombo22
    22°C min night temperature
  • 12 hours of daylight per day in December in Colombo12
    12 hours of daylight per day
  • High heat & humidity in December in ColomboH
    High heat & humidity
  • 166 mm monthly rainfall in December in Colombo166
    166 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in Colombo11
    11 (Extreme) UV index
  • 28°C sea temperature in December in Colombo28
    28°C sea temperature
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The December weather guide for Colombo, Sri Lanka shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Colombo weather in December

The average maximum daytime temperature in Colombo in December is a hot 30°C (86°F) with high heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 7 hours of bright sunshine each day, which represents 59% of the 12 hours of daylight.

Expect 166mm (6.5 inches) of rainfall across the whole of December with 10 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Colombo in December is 28°C (82°F).

Colombo sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Colombo in December 2019. Select a month to view Colombo sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 06:07 17:52
Monday, 16th December 2019 06:14 17:58
Tuesday, 31st December 2019 06:21 18:05
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Below are average maximum temperatures at popular destinations in Sri Lanka in December. Select a destination to see more weather parameters.

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