Saint-Denis weather in August 2025

Expect 70°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Saint-Denis in August. Check more long-term weather averages for Saint-Denis in August before you book your next holiday to Reunion in 2025/2026.

  • 70°F maximum daytime temperature in August in Saint-Denis70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in August in Saint-Denis16
    16 days with some rainfall
  • 57°F minimum night-time temperature in August in Saint-Denis57
    57°F min night temperature
  • 11 hours of daylight per day in August in Saint-Denis11
    11 hours of daylight per day
  • No heat & humidity in August in Saint-Denis0
    No heat & humidity
  • 2.6 inches monthly rainfall in August in Saint-Denis2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Saint-Denis8
    8 (Very High) UV index
  • 73°F sea temperature in August in Saint-Denis73
    73°F sea temperature

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The August 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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Saint-Denis in August?

Daytime temperatures usually reach 70°F in Saint-Denis in August, falling to 57°F at night.

How sunny is it in Saint-Denis in August?

There are normally 6 hours of bright sunshine each day in Saint-Denis in August - that's 54% of daylight hours.

How warm is the sea around Saint-Denis in August?

The average sea temperature around Saint-Denis in August is 73°F.

Does it rain in Saint-Denis in August?

There are usually 16 days with some rain in Saint-Denis in August and the average monthly rainfall is 2.6 inches.

Saint-Denis August sunrise & sunset times

Browse the sunrise and sunset times for Saint-Denis in August 2025. Select a month to view Saint-Denis sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:49 18:00
Saturday, 16th August 2025 06:40 18:05
Sunday, 31st August 2025 06:28 18:09

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