Jaffna weather in May 2025

Expect 34°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jaffna in May. Check more long-term weather averages for Jaffna in May before you book your next holiday to Sri Lanka in 2025/2026.

  • 34°C maximum daytime temperature in May in Jaffna34
    34°C max day temperature
  • 7 hours of sunshine per day
  • 3 days with some rainfall in May in Jaffna3
    3 days with some rainfall
  • 26°C minimum night-time temperature in May in Jaffna26
    26°C min night temperature
  • 13 hours of daylight per day in May in Jaffna13
    13 hours of daylight per day
  • Very high heat & humidity in May in JaffnaVH
    Very High heat & humidity
  • 50 mm monthly rainfall in May in Jaffna50
    50 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Jaffna11
    11+ (Extreme) UV index
  • 30°C sea temperature in May in Jaffna30
    30°C sea temperature

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

Daytime temperatures usually reach 34°C in Jaffna in May with very high heat and humidity, falling to 26°C at night.

How sunny is it in Jaffna in May?

There are normally 7 hours of bright sunshine each day in Jaffna in May - that's 59% of daylight hours.

How warm is the sea around Jaffna in May?

The average sea temperature around Jaffna in May is 30°C.

Does it ever rain in Jaffna in May?

There are usually 3 days with some rain in Jaffna in May and the average monthly rainfall is 50mm.

Jaffna May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:53 18:21
Friday, 16th May 2025 05:49 18:24
Saturday, 31st May 2025 05:48 18:27

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