25.12
thu
thu
Day
32°F
W 15 mph
Precip.
0%
0%
Night
34°F
W 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
36°F
SW 9 mph
Precip.
0%
0%
Night
30°F
SW 7 mph
Precip.
0%
0%
27.12
sat
sat
Day
39°F
W 13 mph
Precip.
0%
0%
Night
30°F
SW 8 mph
Precip.
0%
0%
28.12
sun
sun
Day
41°F
SW 14 mph
Precip.
0%
0%
Night
30°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
41°F
W 12 mph
Precip.
0%
0%
Night
30°F
SW 7 mph
Precip.
0%
0%
30.12
tue
tue
Day
39°F
SW 11 mph
Precip.
0%
0%
Night
30°F
SW 6 mph
Precip.
0%
0%
31.12
wed
wed
Day
37°F
SE 3 mph
Precip.
0%
0%
Night
37°F
S 8 mph
Precip.
51%
51%
01.01
thu
thu
Day
37°F
S 19 mph
Precip.
100%
100%
Night
28°F
NE 6 mph
Precip.
0%
0%
02.01
fri
fri
Day
39°F
SE 6 mph
Precip.
0%
0%
Night
48°F
S 15 mph
Precip.
100%
100%
03.01
sat
sat
Day
50°F
S 16 mph
Precip.
75%
75%
Night
41°F
NE 5 mph
Precip.
0%
0%
04.01
sun
sun
Day
45°F
SW 3 mph
Precip.
0%
0%
Night
41°F
N 4 mph
Precip.
0%
0%
05.01
mon
mon
Day
41°F
N 6 mph
Precip.
0%
0%
Night
34°F
N 4 mph
Precip.
0%
0%
06.01
tue
tue
Day
43°F
NE 4 mph
Precip.
0%
0%
Night
34°F
SW 6 mph
Precip.
0%
0%
07.01
wed
wed
Day
41°F
SW 4 mph
Precip.
0%
0%
Night
36°F
SW 2 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 51.9°F. The highest and lowest sea temperatures during the month were 53.6°F and 50.7°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: 09:44
December 25, thursday
1200
32°F
W
15 mph
15 mph
1500
36°F
W
12 mph
12 mph
1800
30°F
SW
7 mph
7 mph
2100
30°F
SW
8 mph
8 mph
December 26, friday
0000
34°F
W
9 mph
9 mph
0300
32°F
SW
8 mph
8 mph
0600
28°F
SW
7 mph
7 mph
0900
28°F
SW
7 mph
7 mph
