Trincomalee weather in May 2025

Expect 35°C 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.

  • 35°C maximum daytime temperature in May in Trincomalee35
    35°C max day temperature
  • 7 hours of sunshine per day
  • 4 days with some rainfall in May in Trincomalee4
    4 days with some rainfall
  • 26°C minimum night-time temperature in May in Trincomalee26
    26°C 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
  • 49 mm monthly rainfall in May in Trincomalee49
    49 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Trincomalee11
    11+ (Extreme) UV index
  • 30°C sea temperature in May in Trincomalee30
    30°C 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 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 / mm)  |  Imperial (°F / inches)

Back to top

More about Sri Lanka

How hot is it in Trincomalee in May?

Daytime temperatures usually reach 35°C in Trincomalee in May with very high heat and humidity, falling to 26°C 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 30°C.

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 49mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^