Bentota weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Bentota in May. Check more long-term weather averages for Bentota in May before you book your next holiday to Sri Lanka in 2025/2026.

  • 31°C maximum daytime temperature in May in Bentota31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in May in Bentota13
    13 days with some rainfall
  • 25°C minimum night-time temperature in May in Bentota25
    25°C min night temperature
  • 12 hours of daylight per day in May in Bentota12
    12 hours of daylight per day
  • High heat & humidity in May in BentotaH
    High heat & humidity
  • 388 mm monthly rainfall in May in Bentota388
    388 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Bentota11
    11+ (Extreme) UV index
  • 29°C sea temperature in May in Bentota29
    29°C sea temperature

More about Bentota

Bentota by month

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The May weather guide for Sri Lanka (Bentota) 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 Bentota in May?

Daytime temperatures usually reach 31°C in Bentota in May with high heat and humidity, falling to 25°C at night.

How sunny is it in Bentota in May?

There are normally 6 hours of bright sunshine each day in Bentota in May - that's 50% of daylight hours.

How warm is the sea around Bentota in May?

The average sea temperature around Bentota in May is 29°C.

Does it rain in Bentota in May?

There are usually 13 days with some rain in Bentota in May and the average monthly rainfall is 388mm.

Bentota May sunrise & sunset times

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


Date Sunrise times Sunset times
Thursday, 1st May 2025 05:57 18:18
Friday, 16th May 2025 05:54 18:19
Saturday, 31st May 2025 05:54 18:22

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