Reunion weather in May 2025

Expect 75°F 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.

  • 75°F maximum daytime temperature in May in Reunion (Saint-Denis)75
    75°F 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
  • 63°F minimum night-time temperature in May in Reunion (Saint-Denis)63
    63°F 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
  • 3.8 inches monthly rainfall in May in Reunion (Saint-Denis)3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 7 (High) in May in Reunion (Saint-Denis)7
    7 (High) UV index
  • 79°F sea temperature in May in Reunion (Saint-Denis)79
    79°F 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)  |  Imperial (°F)

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How hot is it in Reunion in May?

Daytime temperatures usually reach 75°F in Saint-Denis, Reunion in May, falling to 63°F 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 79°F.

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 3.8 inches.

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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