24.12
wed
wed
Day
41°F
SW 17 mph
Precip.
0%
0%
Night
30°F
SW 16 mph
Precip.
0%
0%
25.12
thu
thu
Day
32°F
W 14 mph
Precip.
0%
0%
Night
28°F
SW 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
36°F
W 6 mph
Precip.
0%
0%
Night
28°F
SW 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
39°F
SW 11 mph
Precip.
0%
0%
Night
36°F
SW 11 mph
Precip.
0%
0%
28.12
sun
sun
Day
43°F
SW 16 mph
Precip.
0%
0%
Night
30°F
SW 8 mph
Precip.
0%
0%
29.12
mon
mon
Day
39°F
SW 13 mph
Precip.
0%
0%
Night
32°F
W 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
39°F
SW 7 mph
Precip.
0%
0%
Night
32°F
SW 7 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 52.0°F. The highest and lowest sea temperatures during the month were 53.6°F and 50.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 48.0°F. The highest and lowest sea temperatures during the month were 49.1°F and 46.9°F.
Air temperature in Rennes, °F
Precipitation total in Rennes, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rennes
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 05:07
December 24, wednesday
0600
36°F
SW
14 mph
14 mph
0900
36°F
SW
14 mph
14 mph
1200
41°F
SW
17 mph
17 mph
1500
41°F
SW
17 mph
17 mph
1800
36°F
SW
18 mph
18 mph
2100
34°F
SW
18 mph
18 mph
December 25, thursday
0000
30°F
SW
16 mph
16 mph
0300
30°F
SW
15 mph
15 mph
