Trincomalee weather in May 2025

Expect 95°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Trincomalee in May. Check more long-term weather averages for Trincomalee in May before you book your next holiday to Sri Lanka in 2025/2026.

  • 95°F maximum daytime temperature in May in Trincomalee95
    95°F max day temperature
  • 7 hours of sunshine per day
  • 4 days with some rainfall in May in Trincomalee4
    4 days with some rainfall
  • 79°F minimum night-time temperature in May in Trincomalee79
    79°F min night temperature
  • 13 hours of daylight per day in May in Trincomalee13
    13 hours of daylight per day
  • Very high heat & humidity in May in TrincomaleeVH
    Very High heat & humidity
  • 1.9 inches monthly rainfall in May in Trincomalee1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Trincomalee11
    11+ (Extreme) UV index
  • 86°F sea temperature in May in Trincomalee86
    86°F sea temperature

More about Trincomalee

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The May 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)

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More about Sri Lanka

How hot is it in Trincomalee in May?

Daytime temperatures usually reach 95°F in Trincomalee in May with very high heat and humidity, falling to 79°F at night.

How sunny is it in Trincomalee in May?

There are normally 7 hours of bright sunshine each day in Trincomalee in May - that's 58% of daylight hours.

How warm is the sea around Trincomalee in May?

The average sea temperature around Trincomalee in May is 86°F.

Does it rain in Trincomalee in May?

There are usually 4 days with some rain in Trincomalee in May and the average monthly rainfall is 1.9 inches.

Trincomalee May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:49 18:15
Friday, 16th May 2025 05:46 18:17
Saturday, 31st May 2025 05:45 18:20

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