Weather in July
Temperature
July is the coldest month, with an average high-temperature of 25.2°C (77.4°F) and an average low-temperature of 18.1°C (64.6°F).Rainfall
In Saint-Denis, during July, the rain falls for 8.8 days and regularly aggregates up to 58mm (2.28") of precipitation. In Saint-Denis, during the entire year, the rain falls for 119.3 days and collects up to 1659mm (65.31") of precipitation.Sea temperature
In July, the average sea temperature is 24.4°C (75.9°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.4°C (75.9°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
In Saint-Denis, the average length of the day in July is 11h and 0min.On the first day of the month, sunrise is at 06:55 and sunset at 17:48. On the last day of July, in Saint-Denis, sunrise is at 06:49 and sunset at 17:59 +04.
Sunshine
In Saint-Denis, the average sunshine in July is 7.1h.UV index
The months with the lowest UV index in Saint-Denis are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
FAQ
What is the coldest month in Saint-Denis?
What is the temperature in July in Saint-Denis?
How much does it rain in Saint-Denis in July?
What is the water temperature in July in Saint-Denis?
How many hours of daylight does Saint-Denis have in July?
What time are sunrise and sunset in July in Saint-Denis?
How long on average sun shines in July in Saint-Denis?
When is the lowest UV index in Saint-Denis?
How high is the UV index in July in Saint-Denis?
Average temperature in July
Saint-Denis, Reunion
- Average high temperature in July: 25.2°C
The warmest months (with the highest average high temperature) are January and February (30.1°C).
The month with the lowest average high temperature is July (25.2°C).
- Average low temperature in July: 18.1°C
The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (18°C).
Average rainfall in July
Saint-Denis, Reunion
- Average rainfall in July: 57.8mm
The wettest month (with the highest rainfall) is February (351mm).
The driest month (with the least rainfall) is October (43.4mm).
Average rainfall days in July
Saint-Denis, Reunion
- Average rainfall days in July: 8.8 days
The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is November (5.9 days).
Average sea temperature in July
Saint-Denis, Reunion
- Average sea temperature in July: 24.4°C
The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest months (with the lowest average sea temperature) are August and September (23.8°C).
Average daylight in July /
Average sunshine in July
Saint-Denis, Reunion
- Average daylight in July: 11h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in July: 7h and 1min
The months with the most sunshine are April and December (Average sunshine: 7h and 24min).
The months with the least sunshine are January and October (Average sunshine: 6h and 48min).
Average UV index in July
Saint-Denis, Reunion
- Average UV index in July: 6
The months with the highest UV index are January, February, March, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).
Weather forecast for your location
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location
