Saint-Denis weather in July 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Saint-Denis in July. Check more long-term weather averages for Saint-Denis in July before you book your next holiday to Reunion in 2025/2026.

  • 21°C maximum daytime temperature in July in Saint-Denis21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in July in Saint-Denis15
    15 days with some rainfall
  • 15°C minimum night-time temperature in July in Saint-Denis15
    15°C min night temperature
  • 11 hours of daylight per day in July in Saint-Denis11
    11 hours of daylight per day
  • No heat & humidity in July in Saint-Denis0
    No heat & humidity
  • 73 mm monthly rainfall in July in Saint-Denis73
    73 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Saint-Denis6
    6 (High) UV index
  • 24°C sea temperature in July in Saint-Denis24
    24°C sea temperature

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The July 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Saint-Denis in July?

Daytime temperatures usually reach 21°C in Saint-Denis in July, falling to 15°C at night.

How sunny is it in Saint-Denis in July?

There are normally 6 hours of bright sunshine each day in Saint-Denis in July - that's 55% of daylight hours.

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

The average sea temperature around Saint-Denis in July is 24°C.

Does it rain in Saint-Denis in July?

There are usually 15 days with some rain in Saint-Denis in July and the average monthly rainfall is 73mm.

Saint-Denis July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 06:56 17:49
Wednesday, 16th July 2025 06:55 17:54
Thursday, 31st July 2025 06:50 18:00

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