Kalutara weather in January 2026

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Kalutara in January based on long-term weather averages. There is usually 5 days with some rainfall and 73 mm of average monthly rainfall in January.

  • 31°C maximum daytime temperature in January in Kalutara31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 5 days with some rainfall in January in Kalutara5
    5 days with some rainfall
  • 22°C minimum night-time temperature in January in Kalutara22
    22°C min night temperature
  • 12 hours of daylight per day in January in Kalutara12
    12 hours of daylight per day
  • High heat & humidity in January in KalutaraH
    High heat & humidity
  • 73 mm monthly rainfall in January in Kalutara73
    73 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Kalutara11
    11 (Extreme) UV index
  • 28°C sea temperature in January in Kalutara28
    28°C sea temperature

More about Kalutara

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The January weather guide for Sri Lanka (Kalutara) 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 Kalutara in January?

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

How sunny is it in Kalutara in January?

There are normally 8 hours of bright sunshine each day in Kalutara in January - that's 66% of daylight hours.

How warm is the sea around Kalutara in January?

The average sea temperature around Kalutara in January is 28°C.

Does it rain in Kalutara in January?

There are usually 5 days with some rain in Kalutara in January and the average monthly rainfall is 73mm.

Kalutara January sunrise & sunset times

Browse the sunrise and sunset times for Kalutara in January 2026. Select a month to view Kalutara sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:21 18:06
Friday, 16th January 2026 06:26 18:13
Saturday, 31st January 2026 06:28 18:19

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