Measurements:
°C
°F
CURRENT WEATHER
15:49
Rennes
90°F
SE 7 mph
Feels like: 88°F
Precip: 1%
World Resorts France Rennes Weather

7 Day Weather Forecast

07.30
thu
DAY
80°F
SE 6 mph
precip
1%
NIGHT
64°F
S 11 mph
precip
19%
07.31
fri
DAY
78°F
SE 9 mph
precip
1%
NIGHT
56°F
S 9 mph
precip
9%
08.01
sat
DAY
78°F
S 9 mph
precip
1%
NIGHT
58°F
S 10 mph
precip
6%
08.02
sun
DAY
86°F
SW 8 mph
precip
1%
NIGHT
66°F
S 9 mph
precip
1%
08.03
mon
DAY
84°F
NE 9 mph
precip
1%
NIGHT
62°F
W 6 mph
precip
8%
08.04
tue
DAY
82°F
E 11 mph
precip
5%
NIGHT
66°F
NE 6 mph
precip
14%
08.05
wed
DAY
82°F
NE 9 mph
precip
3%
NIGHT
64°F
SE 3 mph
precip
27%

Rennes Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Rennes was 19.5°F. The maximum and minimum values were 18.3°F and 20.5°F respectively.

Rennes on the Weather Map

Best Time to Visit Rennes
The most sunny months:
July 13 days
August 12 days
September 11 days
The most warm months:
July 77.3 °F
August 76.8 °F
June 72.5 °F
Warmest sea temperature:
August 67.6 °F
September 66.5 °F
July 65.9 °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
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