Reunion weather in May 2025

Expect 24°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Reunion in May. Check more long-term weather averages for Reunion in May before you book your next holiday to Reunion in 2025/2026.

  • 24°C maximum daytime temperature in May in Reunion (Saint-Denis)24
    24°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Reunion (Saint-Denis)15
    15 days with some rainfall
  • 17°C minimum night-time temperature in May in Reunion (Saint-Denis)17
    17°C min night temperature
  • 11 hours of daylight per day in May in Reunion (Saint-Denis)11
    11 hours of daylight per day
  • Low heat & humidity in May in Reunion (Saint-Denis)L
    Low heat & humidity
  • 97 mm monthly rainfall in May in Reunion (Saint-Denis)97
    97 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Reunion (Saint-Denis)7
    7 (High) UV index
  • 26°C sea temperature in May in Reunion (Saint-Denis)26
    26°C sea temperature

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The May weather guide for Reunion (Saint-Denis) 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.

Top Reunion destinations

Below are average maximum temperatures at popular countries, regions and places in Reunion in May. Select a holiday destination to see more weather parameters.

All Reunion destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Reunion in May?

Daytime temperatures usually reach 24°C in Saint-Denis, Reunion in May, falling to 17°C at night.

How sunny is it in Reunion in May?

There are normally 6 hours of bright sunshine each day in Saint-Denis, Reunion in May - that's 57% of daylight hours.

How warm is the sea around Reunion in May?

The average sea temperature around Saint-Denis, Reunion in May is 26°C.

Does it rain in Reunion in May?

There are usually 15 days with some rain in Saint-Denis, Reunion in May and the average monthly rainfall is 97mm.

Reunion May sunrise & sunset times

Browse the sunrise and sunset times for Reunion in May 2025. Select a month to view Reunion sunrise and sunset times for the next 12 months. The Reunion sunrise and sunset times shown below are for Saint-Denis.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:35 17:55
Friday, 16th May 2025 06:41 17:48
Saturday, 31st May 2025 06:47 17:44

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