22.12
mon
mon
Day

46°F
NW 12 mph
Precip.
0%
0%
Night

39°F
NW 8 mph
Precip.
0%
0%
23.12
tue
tue
Day

45°F
W 4 mph
Precip.
0%
0%
Night

39°F
S 9 mph
Precip.
0%
0%
24.12
wed
wed
Day

41°F
SW 17 mph
Precip.
0%
0%
Night

30°F
SW 15 mph
Precip.
0%
0%
25.12
thu
thu
Day

32°F
SW 14 mph
Precip.
0%
0%
Night

27°F
SW 6 mph
Precip.
0%
0%
26.12
fri
fri
Day

39°F
SW 9 mph
Precip.
0%
0%
Night

28°F
SW 8 mph
Precip.
0%
0%
27.12
sat
sat
Day

39°F
SW 12 mph
Precip.
0%
0%
Night

34°F
SW 11 mph
Precip.
0%
0%
28.12
sun
sun
Day

41°F
SW 11 mph
Precip.
0%
0%
Night

37°F
SW 10 mph
Precip.
0%
0%
29.12
mon
mon
Day

45°F
SW 11 mph
Precip.
0%
0%
Night

46°F
SW 13 mph
Precip.
0%
0%
30.12
tue
tue
Day

48°F
SW 14 mph
Precip.
0%
0%
Night

46°F
SW 9 mph
Precip.
0%
0%
31.12
wed
wed
Day

43°F
SE 5 mph
Precip.
0%
0%
Night

45°F
SE 9 mph
Precip.
0%
0%
01.01
thu
thu
Day

45°F
SE 9 mph
Precip.
100%
100%
Night

37°F
SE 8 mph
Precip.
52%
52%
02.01
fri
fri
Day

43°F
NW 17 mph
Precip.
74%
74%
Night

34°F
S 6 mph
Precip.
0%
0%
03.01
sat
sat
Day

39°F
E 13 mph
Precip.
51%
51%
Night

37°F
S 13 mph
Precip.
100%
100%
04.01
sun
sun
Day

39°F
NW 17 mph
Precip.
43%
43%
Night

30°F
NW 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 52.1°F. The highest and lowest sea temperatures during the month were 53.6°F and 51.1°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: 06:03
December 22, monday
0900

41°F
NW
11 mph
11 mph
1200

46°F
NW
12 mph
12 mph
1500

48°F
NW
12 mph
12 mph
1800

43°F
NW
10 mph
10 mph
2100

41°F
NW
9 mph
9 mph
December 23, tuesday
0000

39°F
NW
8 mph
8 mph
0300

37°F
W
7 mph
7 mph
0600

37°F
NW
7 mph
7 mph


























