Trincomalee weather in October 2025

Expect 32°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Trincomalee in October based on long-term weather averages. There is usually 12 days with some rainfall and 223 mm of average monthly rainfall in October.

  • 32°C maximum daytime temperature in October in Trincomalee32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in October in Trincomalee12
    12 days with some rainfall
  • 25°C minimum night-time temperature in October in Trincomalee25
    25°C min night temperature
  • 12 hours of daylight per day in October in Trincomalee12
    12 hours of daylight per day
  • Very high heat & humidity in October in TrincomaleeVH
    Very High heat & humidity
  • 223 mm monthly rainfall in October in Trincomalee223
    223 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Trincomalee11
    11+ (Extreme) UV index
  • 29°C sea temperature in October in Trincomalee29
    29°C sea temperature

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The October 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 October?

Daytime temperatures usually reach 32°C in Trincomalee in October with very high heat and humidity, falling to 25°C at night.

How sunny is it in Trincomalee in October?

There are normally 7 hours of bright sunshine each day in Trincomalee in October - that's 54% of daylight hours.

How warm is the sea around Trincomalee in October?

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

Does it rain in Trincomalee in October?

There are usually 12 days with some rain in Trincomalee in October and the average monthly rainfall is 223mm.

What is the chance of a cyclone in Trincomalee in October?

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

Trincomalee October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:53 17:56
Thursday, 16th October 2025 05:53 17:48
Friday, 31st October 2025 05:54 17:43

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