Jaffna weather in December 2025

Expect 28°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Jaffna in December based on long-term weather averages. There is usually 10 days with some rainfall and 285 mm of average monthly rainfall in December.

  • 28°C maximum daytime temperature in December in Jaffna28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in December in Jaffna10
    10 days with some rainfall
  • 24°C minimum night-time temperature in December in Jaffna24
    24°C min night temperature
  • 12 hours of daylight per day in December in Jaffna12
    12 hours of daylight per day
  • Moderate heat & humidity in December in JaffnaM
    Moderate heat & humidity
  • 285 mm monthly rainfall in December in Jaffna285
    285 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in December in Jaffna10
    10 (Very High) UV index
  • 27°C sea temperature in December in Jaffna27
    27°C sea temperature

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The December weather guide for Sri Lanka (Jaffna) 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.

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

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More about Sri Lanka

How hot is it in Jaffna in December?

Daytime temperatures usually reach 28°C in Jaffna in December with moderate heat and humidity, falling to 24°C at night.

How sunny is it in Jaffna in December?

There are normally 6 hours of bright sunshine each day in Jaffna in December - that's 54% of daylight hours.

How warm is the sea around Jaffna in December?

The average sea temperature around Jaffna in December is 27°C.

Does it rain in Jaffna in December?

There are usually 10 days with some rain in Jaffna in December and the average monthly rainfall is 285mm.

What is the chance of a cyclone in Jaffna in December?

On average 1.1 days in December in Jaffna are likely to be affected by the passage of one or more tropical storms.

Jaffna December sunrise & sunset times

Browse the sunrise and sunset times for Jaffna in December 2025. Select a month to view Jaffna sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:11 17:47
Tuesday, 16th December 2025 06:19 17:53
Wednesday, 31st December 2025 06:26 18:00

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