World Resorts France Rennes Weather

Rennes 14 Days Forecast

23.12
tue
Day
45°F
SW 4 mph
Precip.
0%
Night
43°F
S 8 mph
Precip.
0%
24.12
wed
Day
41°F
SW 16 mph
Precip.
0%
Night
30°F
SW 16 mph
Precip.
0%
25.12
thu
Day
32°F
W 15 mph
Precip.
0%
Night
36°F
SW 9 mph
Precip.
0%
26.12
fri
Day
37°F
SW 10 mph
Precip.
0%
Night
32°F
SW 9 mph
Precip.
0%
27.12
sat
Day
41°F
SW 10 mph
Precip.
0%
Night
30°F
SW 7 mph
Precip.
0%
28.12
sun
Day
43°F
SW 13 mph
Precip.
0%
Night
36°F
SW 13 mph
Precip.
0%
29.12
mon
Day
39°F
SW 15 mph
Precip.
0%
Night
30°F
SW 7 mph
Precip.
0%
30.12
tue
Day
41°F
SW 11 mph
Precip.
0%
Night
37°F
SW 8 mph
Precip.
0%
31.12
wed
Day
46°F
NW 11 mph
Precip.
0%
Night
41°F
SE 5 mph
Precip.
0%
01.01
thu
Day
45°F
E 11 mph
Precip.
57%
Night
39°F
SE 11 mph
Precip.
100%
02.01
fri
Day
37°F
S 9 mph
Precip.
0%
Night
36°F
NE 15 mph
Precip.
48%
03.01
sat
Day
39°F
SE 16 mph
Precip.
100%
Night
32°F
S 17 mph
Precip.
100%
04.01
sun
Day
36°F
SE 14 mph
Precip.
100%
Night
34°F
E 6 mph
Precip.
100%
05.01
mon
Day
34°F
SE 5 mph
Precip.
49%
Night
28°F
SE 5 mph
Precip.
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

Sunniest months:
August 12 days
July 12 days
September 11 days
Warmest months:
August 74.1 °F
July 73.9 °F
June 69.7 °F
Warmest sea temp:
August 65.9 °F
September 64.8 °F
July 64.2 °F
Coldest months:
January 46.2 °F
February 48.0 °F
December 48.6 °F
Rainiest months:
June 5 days
April 4 days
November 3 days
Windiest months:
February 11.0 mph
December 10.8 mph
March 10.4 mph

Rennes on a weather map

Current weather
21:16
Rennes
+43°F
S 7 mph
Feels like: +39°F
Precip.: 0%
Places in France:
Name
°F
Annecy
+34°F
Antibes
+48°F
Biarritz
+48°F
Bordeaux
+46°F
Cannes
+52°F
Corsica
+54°F
Marseilles
+55°F
Menton
+54°F
Montpellier
+52°F
Nice
+48°F
Paris
+41°F
Saint-Tropez
+52°F
Toulouse
+45°F
Chamonix
+27°F
Etretat
+43°F
all places
24 Hours Forecast
Rennes
Local time: 21:16
December 24, wednesday
0000
43°F
S
8 mph
0300
39°F
SW
10 mph
0600
36°F
SW
12 mph
0900
36°F
SW
13 mph
1200
41°F
SW
16 mph
1500
43°F
SW
16 mph
1800
36°F
SW
17 mph
2100
34°F
SW
18 mph
Units of measurement: °C / °F