Sri Lanka weather in December 2021

  • 30°C maximum daytime temperature in December in Sri Lanka (Colombo)30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in December in Sri Lanka (Colombo)10
    10 days with some rainfall
  • 22°C minimum night-time temperature in December in Sri Lanka (Colombo)22
    22°C min night temperature
  • 12 hours of daylight per day in December in Sri Lanka (Colombo)12
    12 hours of daylight per day
  • High heat & humidity in December in Sri Lanka (Colombo)H
    High heat & humidity
  • 166 mm monthly rainfall in December in Sri Lanka (Colombo)166
    166 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in Sri Lanka (Colombo)11
    11 (Extreme) UV index
  • 28°C sea temperature in December in Sri Lanka (Colombo)28
    28°C sea temperature

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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The December weather guide for Sri Lanka (Colombo) 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)

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More about Sri Lanka

How hot is it in Sri Lanka in December?

Daytime temperatures usually reach 30°C in Colombo, Sri Lanka in December with high heat and humidity, falling to 22°C at night.

How sunny is it in Sri Lanka in December?

There are normally 7 hours of bright sunshine each day in Colombo, Sri Lanka in December - that's 59% of daylight hours.

How warm is the sea around Sri Lanka in December?

The average sea temperature around Colombo, Sri Lanka in December is 28°C.

Does it rain in Sri Lanka in December?

There are usually 10 days with some rain in Colombo, Sri Lanka in December and the average monthly rainfall is 166mm.

What is the chance of a cyclone in Sri Lanka in December?

On average less than 1 day in December in Colombo, Sri Lanka is likely to be affected by the passage of one or more tropical storms.

Sri Lanka December sunrise & sunset times

Browse the sunrise and sunset times for Sri Lanka in December 2021. Select a month to view Sri Lanka sunrise and sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st December 2021 06:07 17:52
Thursday, 16th December 2021 06:14 17:58
Friday, 31st December 2021 06:22 18:05

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