Saint-Denis weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: June – December
What is the weather like in Saint-Denis in July?
In July, Saint-Denis is warm: daytime highs average 23 °C, and nights cool down to about 20 °C. The sea averages 24.1 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 41 mm in total. All in all, July is a good month for a holiday in Saint-Denis.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 10 h 58 min06:55 – 17:53
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 36 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+4Indian/Reunion
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 30 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Saint-Denis in July: quick answers
Is Saint-Denis hot in July?
Warm rather than hot: in July, daytime highs in Saint-Denis average 23 °C and nights cool to about 20 °C.
Can you swim in Saint-Denis in July?
Yes. In July the sea averages 24.1 °C – pleasant for swimming.
Does it rain much in Saint-Denis in July?
Rain is frequent, with about 13 rainy days and 41 mm in total.
Saint-Denis month by month
The whole year in Saint-DenisAll destinations: RéunionWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences