Trincomalee weather in August 2025

Expect 34°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Trincomalee in August. Check more long-term weather averages for Trincomalee in August before you book your next holiday to Sri Lanka in 2025/2026.

  • 34°C maximum daytime temperature in August in Trincomalee34
    34°C max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in August in Trincomalee5
    5 days with some rainfall
  • 26°C minimum night-time temperature in August in Trincomalee26
    26°C min night temperature
  • 12 hours of daylight per day in August in Trincomalee12
    12 hours of daylight per day
  • Very high heat & humidity in August in TrincomaleeVH
    Very High heat & humidity
  • 84 mm monthly rainfall in August in Trincomalee84
    84 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Trincomalee11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Trincomalee29
    29°C sea temperature

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The August weather guide for Sri Lanka (Trincomalee) 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 Trincomalee in August?

Daytime temperatures usually reach 34°C in Trincomalee in August with very high heat and humidity, falling to 26°C at night.

How sunny is it in Trincomalee in August?

There are normally 7 hours of bright sunshine each day in Trincomalee in August - that's 60% of daylight hours.

How warm is the sea around Trincomalee in August?

The average sea temperature around Trincomalee in August is 29°C.

Does it rain in Trincomalee in August?

There are usually 5 days with some rain in Trincomalee in August and the average monthly rainfall is 84mm.

Trincomalee August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:57 18:26
Saturday, 16th August 2025 05:58 18:21
Sunday, 31st August 2025 05:57 18:14

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