26.06
fri
fri
Day
86°F
SE 5 mph
Precip.
1%
1%
Night
63°F
S 8 mph
Precip.
45%
45%
27.06
sat
sat
Day
90°F
E 3 mph
Precip.
1%
1%
Night
64°F
SE 8 mph
Precip.
9%
9%
28.06
sun
sun
Day
82°F
E 9 mph
Precip.
1%
1%
Night
61°F
S 11 mph
Precip.
14%
14%
29.06
mon
mon
Day
73°F
S 11 mph
Precip.
1%
1%
Night
54°F
S 11 mph
Precip.
14%
14%
30.06
tue
tue
Day
77°F
S 11 mph
Precip.
1%
1%
Night
59°F
S 9 mph
Precip.
2%
2%
01.07
wed
wed
Day
79°F
SE 6 mph
Precip.
1%
1%
Night
59°F
S 9 mph
Precip.
14%
14%
02.07
thu
thu
Day
77°F
S 11 mph
Precip.
1%
1%
Night
61°F
S 8 mph
Precip.
12%
12%
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 62.7°F. The highest and lowest sea temperatures during the month were 67.6°F and 59.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 66.7°F and 63.7°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: 16:24
June 26, friday
1800
93°F
SW
5 mph
5 mph
2100
73°F
SE
12 mph
12 mph
June 27, saturday
0000
63°F
S
8 mph
8 mph
0300
63°F
S
6 mph
6 mph
0600
61°F
SW
3 mph
3 mph
0900
73°F
SE
4 mph
4 mph
1200
90°F
E
3 mph
3 mph
1500
97°F
NE
7 mph
7 mph
