Measurements:
°C
°F
CURRENT WEATHER
12:25
Rennes
80°F
SE 3 mph
Feels like: 84°F
Precip: 0%
World Resorts France Rennes Weather

7 Day Weather Forecast

05.30
sat
DAY
80°F
SE 3 mph
precip
0%
NIGHT
56°F
SE 9 mph
precip
0%
05.31
sun
DAY
68°F
E 6 mph
precip
0%
NIGHT
52°F
S 6 mph
precip
0%
06.01
mon
DAY
70°F
N 7 mph
precip
0%
NIGHT
56°F
NE 7 mph
precip
63%
06.02
tue
DAY
68°F
E 16 mph
precip
77%
NIGHT
56°F
E 8 mph
precip
0%
06.03
wed
DAY
66°F
NE 13 mph
precip
0%
NIGHT
56°F
NE 9 mph
precip
49%
06.04
thu
DAY
64°F
NE 8 mph
precip
0%
NIGHT
60°F
N 11 mph
precip
40%
06.05
fri
DAY
68°F
N 8 mph
precip
100%
NIGHT
56°F
E 6 mph
precip
0%

Rennes Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Rennes was 14.3°F. The maximum and minimum values were 13.1°F and 17.6°F respectively.

Rennes on the Weather Map

Best Time to Visit Rennes
The most sunny months:
August 12 days
July 12 days
September 11 days
The most warm months:
August 76.8 °F
July 76.5 °F
June 71.9 °F
Warmest sea temperature:
August 67.6 °F
September 66.5 °F
July 65.7 °F
The most cold months:
January 45.8 °F
February 48.0 °F
December 48.5 °F
The most rainy months:
June 5 days
November 3 days
April 3 days
The most windy months:
February 11 mph
December 11 mph
January 10 mph
more details