16.07
thu
thu
Day
84°F
NW 8 mph
Precip.
2%
2%
Night
63°F
S 3 mph
Precip.
14%
14%
17.07
fri
fri
Day
75°F
SW 7 mph
Precip.
2%
2%
Night
61°F
S 8 mph
Precip.
7%
7%
18.07
sat
sat
Day
81°F
S 4 mph
Precip.
1%
1%
Night
61°F
S 9 mph
Precip.
10%
10%
19.07
sun
sun
Day
77°F
SW 14 mph
Precip.
1%
1%
Night
59°F
SW 12 mph
Precip.
1%
1%
20.07
mon
mon
Day
73°F
SW 15 mph
Precip.
0%
0%
Night
59°F
S 11 mph
Precip.
3%
3%
21.07
tue
tue
Day
75°F
SW 11 mph
Precip.
1%
1%
Night
63°F
SW 10 mph
Precip.
4%
4%
22.07
wed
wed
Day
77°F
SW 7 mph
Precip.
3%
3%
Night
57°F
NE 7 mph
Precip.
9%
9%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 68.9°F and 64.9°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
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 20:20
July 16, thursday
2100
64°F
S
4 mph
4 mph
July 17, friday
0000
63°F
S
3 mph
3 mph
0300
61°F
SE
3 mph
3 mph
0600
57°F
S
6 mph
6 mph
0900
64°F
SW
6 mph
6 mph
1200
75°F
SW
7 mph
7 mph
1500
82°F
S
9 mph
9 mph
1800
82°F
S
15 mph
15 mph
