Sri Lanka weather in January 2025

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sri Lanka in January. Check more long-term weather averages for Sri Lanka in January before you book your next holiday to Sri Lanka in 2025/2026.

  • 31°C maximum daytime temperature in January in Sri Lanka (Colombo)31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in January in Sri Lanka (Colombo)5
    5 days with some rainfall
  • 22°C minimum night-time temperature in January in Sri Lanka (Colombo)22
    22°C min night temperature
  • 12 hours of daylight per day in January in Sri Lanka (Colombo)12
    12 hours of daylight per day
  • High heat & humidity in January in Sri Lanka (Colombo)H
    High heat & humidity
  • 55 mm monthly rainfall in January in Sri Lanka (Colombo)55
    55 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Sri Lanka (Colombo)11
    11 (Extreme) UV index
  • 28°C sea temperature in January in Sri Lanka (Colombo)28
    28°C sea temperature

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The January 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.

Top Sri Lanka destinations

Below are average maximum temperatures at popular countries, regions and places in Sri Lanka in January. Select a holiday destination to see more weather parameters.

All Sri Lanka destinations

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

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More about Sri Lanka

How hot is it in Sri Lanka in January?

Daytime temperatures usually reach 31°C in Colombo, Sri Lanka in January with high heat and humidity, falling to 22°C at night.

How sunny is it in Sri Lanka in January?

There are normally 8 hours of bright sunshine each day in Colombo, Sri Lanka in January - that's 67% of daylight hours.

How warm is the sea around Sri Lanka in January?

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

Does it rain in Sri Lanka in January?

There are usually 5 days with some rain in Colombo, Sri Lanka in January and the average monthly rainfall is 55mm.

Sri Lanka January sunrise & sunset times

Browse the sunrise and sunset times for Sri Lanka in January 2025. 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 January 2025 06:22 18:06
Thursday, 16th January 2025 06:27 18:13
Friday, 31st January 2025 06:29 18:19

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