Trincomalee weather in October 2025

Expect 90°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Trincomalee in October. Check more long-term weather averages for Trincomalee in October before you book your next holiday to Sri Lanka in 2025/2026.

  • 90°F maximum daytime temperature in October in Trincomalee90
    90°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in October in Trincomalee12
    12 days with some rainfall
  • 77°F minimum night-time temperature in October in Trincomalee77
    77°F 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
  • 8.8 inches monthly rainfall in October in Trincomalee8.8
    8.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Trincomalee11
    11+ (Extreme) UV index
  • 84°F sea temperature in October in Trincomalee84
    84°F sea temperature

More about Trincomalee

Trincomalee by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Sri Lanka

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

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)  |  Imperial (°F)

Back to top

More about Sri Lanka

How hot is it in Trincomalee in October?

Daytime temperatures usually reach 90°F in Trincomalee in October with very high heat and humidity, falling to 77°F 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 84°F.

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 8.8 inches.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^