Arugam Bay weather in January 2026

Expect daytime maximum temperatures of 29°C in Arugam Bay in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 181 mm of rainfall in the month.

  • 29°C maximum daytime temperature in January in Arugam Bay29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in January in Arugam Bay6
    6 days with some rainfall
  • 23°C minimum night-time temperature in January in Arugam Bay23
    23°C min night temperature
  • 12 hours of daylight per day in January in Arugam Bay12
    12 hours of daylight per day
  • Moderate heat & humidity in January in Arugam BayM
    Moderate heat & humidity
  • 181 mm monthly rainfall in January in Arugam Bay181
    181 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Arugam Bay11
    11 (Extreme) UV index
  • 27°C sea temperature in January in Arugam Bay27
    27°C sea temperature

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The January weather guide for Sri Lanka (Arugam Bay) 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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How hot is it in Arugam Bay in January?

Daytime temperatures usually reach 29°C in Arugam Bay in January with moderate heat and humidity, falling to 23°C at night.

How sunny is it in Arugam Bay in January?

There are normally 7 hours of bright sunshine each day in Arugam Bay in January - that's 57% of daylight hours.

How warm is the sea around Arugam Bay in January?

The average sea temperature around Arugam Bay in January is 27°C.

Does it rain in Arugam Bay in January?

There are usually 6 days with some rain in Arugam Bay in January and the average monthly rainfall is 181mm.

Arugam Bay January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:14 17:58
Friday, 16th January 2026 06:19 18:06
Saturday, 31st January 2026 06:21 18:11

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