Mirissa Beach weather in June 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Mirissa Beach in June. Check more long-term weather averages for Mirissa Beach in June before you book your next holiday to Sri Lanka in 2025/2026.

  • 30°C maximum daytime temperature in June in Mirissa Beach30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in June in Mirissa Beach11
    11 days with some rainfall
  • 25°C minimum night-time temperature in June in Mirissa Beach25
    25°C min night temperature
  • 12 hours of daylight per day in June in Mirissa Beach12
    12 hours of daylight per day
  • High heat & humidity in June in Mirissa BeachH
    High heat & humidity
  • 173 mm monthly rainfall in June in Mirissa Beach173
    173 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Mirissa Beach11
    11+ (Extreme) UV index
  • 28°C sea temperature in June in Mirissa Beach28
    28°C sea temperature

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The June weather guide for Sri Lanka (Mirissa Beach) 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 Mirissa Beach in June?

Daytime temperatures usually reach 30°C in Mirissa Beach in June with high heat and humidity, falling to 25°C at night.

How sunny is it in Mirissa Beach in June?

There are normally 6 hours of bright sunshine each day in Mirissa Beach in June - that's 49% of daylight hours.

How warm is the sea around Mirissa Beach in June?

The average sea temperature around Mirissa Beach in June is 28°C.

Does it rain in Mirissa Beach in June?

There are usually 11 days with some rain in Mirissa Beach in June and the average monthly rainfall is 173mm.

Mirissa Beach June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:53 18:19
Sunday, 15th June 2025 05:55 18:23
Monday, 30th June 2025 05:58 18:26

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