Galle weather in December 2025

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Galle in December based on long-term weather averages. There is usually 10 days with some rainfall and 181 mm of average monthly rainfall in December.

  • 29°C maximum daytime temperature in December in Galle29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in December in Galle10
    10 days with some rainfall
  • 22°C minimum night-time temperature in December in Galle22
    22°C min night temperature
  • 12 hours of daylight per day in December in Galle12
    12 hours of daylight per day
  • High heat & humidity in December in GalleH
    High heat & humidity
  • 181 mm monthly rainfall in December in Galle181
    181 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in Galle11
    11 (Extreme) UV index
  • 28°C sea temperature in December in Galle28
    28°C sea temperature

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The December weather guide for Sri Lanka (Galle) 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 Galle in December?

Daytime temperatures usually reach 29°C in Galle in December with high heat and humidity, falling to 22°C at night.

How sunny is it in Galle in December?

There are normally 7 hours of bright sunshine each day in Galle in December - that's 55% of daylight hours.

How warm is the sea around Galle in December?

The average sea temperature around Galle in December is 28°C.

Does it rain in Galle in December?

There are usually 10 days with some rain in Galle in December and the average monthly rainfall is 181mm.

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

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

Galle December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:04 17:52
Tuesday, 16th December 2025 06:11 17:58
Wednesday, 31st December 2025 06:19 18:06

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