Measurements:
°C
°F
Rennes
44°F
N 13 mph
Feels like: 38°F
Precip: 0%
World Resorts France Rennes Weather July Weather in Rennes

Rennes Weather: July

Average Day Temperature: 76.5°F
Average Night Temperature: 57.6°F
Sea Water Temperature: 65.7°F
Number of Sunny Days: 12 days
Sunshine Hours: 15.1 - 16.0 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in July, °F

Select Year: 2025 2024 2023

The highest day temperature in July 2025 was 99°F. The lowest night temperature was 48°F. The average values for day and night temperatures during July were 80.1°F и 57.9°F respectivly.

Rennes Water Sea Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Rennes was 67.4°F. The maximum and minimum values were 65.2°F and 68.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in July, in

Precipitation total in July for Rennes is 1.4 in. It makes july one of the least rainy months of the year.

Wind Speed in July, mph

The average wind speed in July is 8.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rennes in July is 9.1 hours.

Best Time to Visit Rennes
The most sunny months:
August 12 days
July 12 days
September 11 days
The most warm months:
August 76.8 °F
July 76.5 °F
June 71.9 °F
Warmest sea temperature:
August 67.6 °F
September 66.5 °F
July 65.7 °F
The most cold months:
January 45.7 °F
February 47.7 °F
December 48.5 °F
The most rainy months:
June 5 days
April 4 days
November 3 days
The most windy months:
February 11 mph
December 11 mph
March 10 mph

Rennes on the Weather Map

France Resorts:
NAME
Annecy +34
Antibes +52
Biarritz +50
Bordeaux +44
Cannes +52
Corsica +52
Etretat +46
Marseilles +52
Menton +54
Montpellier +52
Nice +50
Paris +42
Saint-Tropez +56
Toulon +50
Toulouse +52
24 Hours Weather Forecast
Rennes
Local time: 03:49
15 dec, monday
0600 48°F
N
15 mph
0900 48°F
N
14 mph
1200 52°F
N
15 mph
1500 54°F
N
17 mph
1800 52°F
N
15 mph
2100 50°F
N
16 mph
16 dec, tuesday
0000 48°F
N
11 mph
0300 50°F
N
9 mph