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Rennes, France Weather Averages

July is the hottest month in Rennes with an average temperature of 19°C (66°F) and the coldest is January at 5°C (41°F). The wettest month is December with an average of 80mm of rain..

Average Temperature Rennes

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Rennes

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Rennes

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Rennes : Next 24-Hour Weather

Today - 3rd July 2026

Sunrise 06:12

Sunrise

Sunset 22:09

Sunset
23:00
Clear
16°C (59°F)

Tomorrow - 4th July 2026

Sunrise 06:12

Sunrise

Sunset 22:09

Sunset
0:00
Clear
14°C (56°F)
1:00
Clear
13°C (55°F)
2:00
Clear
13°C (54°F)
3:00
Clear
12°C (53°F)
4:00
Clear
12°C (53°F)
5:00
Clear
12°C (52°F)
6:00
Clear
11°C (52°F)
7:00
Clear
12°C (53°F)
8:00
Clear
16°C (60°F)
9:00
Clear
20°C (67°F)
10:00
Clear
23°C (73°F)
11:00
Clear
25°C (77°F)
12:00
Clear
27°C (81°F)
13:00
Clear
29°C (84°F)
14:00
Clear
31°C (87°F)
15:00
Clear
31°C (88°F)
16:00
Clear
31°C (88°F)
17:00
Clear
31°C (87°F)
18:00
Clear
30°C (85°F)
19:00
Clear
28°C (82°F)
20:00
Clear
26°C (78°F)
21:00
Clear
23°C (73°F)
22:00
Clear
19°C (66°F)