Mirissa Beach weather in May 2025

Expect 86°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Mirissa Beach in May. Check more long-term weather averages for Mirissa Beach in May before you book your next holiday to Sri Lanka in 2025/2026.

  • 86°F maximum daytime temperature in May in Mirissa Beach86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in May in Mirissa Beach11
    11 days with some rainfall
  • 77°F minimum night-time temperature in May in Mirissa Beach77
    77°F min night temperature
  • 12 hours of daylight per day in May in Mirissa Beach12
    12 hours of daylight per day
  • High heat & humidity in May in Mirissa BeachH
    High heat & humidity
  • 10.2 inches monthly rainfall in May in Mirissa Beach10.2
    10.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Mirissa Beach11
    11+ (Extreme) UV index
  • 84°F sea temperature in May in Mirissa Beach84
    84°F sea temperature

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The May 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)  |  Imperial (°F)

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More about Sri Lanka

How hot is it in Mirissa Beach in May?

Daytime temperatures usually reach 86°F in Mirissa Beach in May with high heat and humidity, falling to 77°F at night.

How sunny is it in Mirissa Beach in May?

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

How warm is the sea around Mirissa Beach in May?

The average sea temperature around Mirissa Beach in May is 84°F.

Does it rain in Mirissa Beach in May?

There are usually 11 days with some rain in Mirissa Beach in May and the average monthly rainfall is 10.2 inches.

Mirissa Beach May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:55 18:15
Friday, 16th May 2025 05:53 18:16
Saturday, 31st May 2025 05:53 18:19

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