Trincomalee weather in June 2025

Expect 35°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Trincomalee in June. Check more long-term weather averages for Trincomalee in June before you book your next holiday to Sri Lanka in 2025/2026.

  • 35°C maximum daytime temperature in June in Trincomalee35
    35°C max day temperature
  • 7 hours of sunshine per day
  • 2 days with some rainfall in June in Trincomalee2
    2 days with some rainfall
  • 27°C minimum night-time temperature in June in Trincomalee27
    27°C min night temperature
  • 13 hours of daylight per day in June in Trincomalee13
    13 hours of daylight per day
  • Very high heat & humidity in June in TrincomaleeVH
    Very High heat & humidity
  • 25 mm monthly rainfall in June in Trincomalee25
    25 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Trincomalee11
    11+ (Extreme) UV index
  • 29°C sea temperature in June in Trincomalee29
    29°C sea temperature

More about Trincomalee

Trincomalee by month

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The June 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 June?

Daytime temperatures usually reach 35°C in Trincomalee in June with very high heat and humidity, falling to 27°C at night.

How sunny is it in Trincomalee in June?

There are normally 7 hours of bright sunshine each day in Trincomalee in June - that's 53% of daylight hours.

How warm is the sea around Trincomalee in June?

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

Does it ever rain in Trincomalee in June?

There are usually 2 days with some rain in Trincomalee in June and the average monthly rainfall is 25mm.

Trincomalee June sunrise & sunset times

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


Date Sunrise times Sunset times
Sunday, 1st June 2025 05:45 18:21
Sunday, 15th June 2025 05:47 18:24
Monday, 30th June 2025 05:50 18:27

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