World Resorts France Rennes Weather

Rennes 7 Days Forecast

17.05
sun
Day
55°F
SE 6 mph
Precip.
63%
Night
46°F
E 1 mph
Precip.
81%
18.05
mon
Day
52°F
N 7 mph
Precip.
100%
Night
52°F
N 13 mph
Precip.
100%
19.05
tue
Day
63°F
NE 16 mph
Precip.
100%
Night
52°F
NE 9 mph
Precip.
0%
20.05
wed
Day
66°F
NE 12 mph
Precip.
0%
Night
54°F
NE 7 mph
Precip.
0%
21.05
thu
Day
68°F
NW 5 mph
Precip.
0%
Night
59°F
NW 7 mph
Precip.
0%
22.05
fri
Day
73°F
NW 9 mph
Precip.
0%
Night
64°F
NW 7 mph
Precip.
0%
23.05
sat
Day
73°F
N 2 mph
Precip.
0%
Night
55°F
NE 8 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 56.2°F. The highest and lowest sea temperatures during the month were 57.2°F and 55.8°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 48.2 °F
December 48.6 °F
Rainiest months:
June 5 days
November 3 days
April 3 days
Windiest months:
February 11.1 mph
December 10.8 mph
January 10.5 mph

Rennes on a weather map

Current weather
05:00
Rennes
+46°F
NE 5 mph
Feels like: +45°F
Precip.: 100%
Places in France:
Name
°F
Annecy
+30°F
Antibes
+55°F
Biarritz
+50°F
Bordeaux
+50°F
Cannes
+52°F
Corsica
+46°F
Marseilles
+54°F
Menton
+57°F
Montpellier
+50°F
Nice
+54°F
Paris
+50°F
Perpignan
+50°F
Saint-Tropez
+50°F
Toulouse
+45°F
Etretat
+52°F
all places
24 Hours Forecast
Rennes
Local time: 05:00
May 17, sunday
0600
46°F
NE
5 mph
0900
50°F
SE
5 mph
1200
55°F
SE
6 mph
1500
59°F
E
9 mph
1800
57°F
SE
9 mph
2100
50°F
S
5 mph
May 18, monday
0000
46°F
E
1 mph
0300
46°F
E
6 mph
Units of measurement: °C / °F