World Resorts France Rennes Weather

Rennes Sea Temperature in July

Average sea water temperature in July:
+64.2°F
Minimum sea water temperature in July: 67.8°F
Maximum sea water temperature in July: 59.4°F

Daily 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.

Monthly sea water temperature in Rennes, °F

Which France resorts have warmest sea in July?

Place name July 2025 July 2024
Portivecju 80.0°F 78.7°F
Bastia 79.9°F 79.1°F
Aiacciu 78.9°F 77.0°F
Corsica 78.8°F 76.8°F
Calvi 78.7°F 77.3°F
Roquebrune Cap Martin 78.7°F 77.5°F
Saint Jean Cap Ferrat 78.6°F 77.6°F
Theoule Sur Mer 78.5°F 77.7°F
Mandelieu la Napoule 78.5°F 77.7°F
Menton 78.5°F 77.3°F
Bunifaziu 78.4°F 76.2°F
Cannes 78.4°F 77.3°F
Frejus 78.3°F 76.7°F
Nice 78.3°F 77.4°F
Golfe Juan 78.3°F 77.2°F
Antibes 78.2°F 77.3°F
Juan les Pins 78.2°F 77.3°F
Sainte Maxime 78.2°F 76.4°F
Saint-Tropez 78.1°F 76.4°F
Saint Laurent du Var 78.0°F 77.2°F

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 48.0 °F
December 48.6 °F
Rainiest months:
June 5 days
April 4 days
November 3 days
Windiest months:
February 11.0 mph
December 10.8 mph
March 10.4 mph

Rennes on a weather map

Rennes
+48°F
S 14 mph
Feels like: +43°F
Precip.: 100%
Places in France:
Name
°F
+48°F
+52°F
+57°F
+59°F
+52°F
+55°F
+55°F
+52°F
+55°F
+48°F
+52°F
+54°F
+61°F
+32°F
+52°F
24 Hours Forecast
Rennes
Local time: 15:00
December 16, tuesday
1800
46°F
S
9 mph
2100
45°F
S
10 mph
December 17, wednesday
0000
46°F
S
7 mph
0300
45°F
S
7 mph
0600
41°F
S
7 mph
0900
39°F
S
3 mph
1200
46°F
E
2 mph
1500
48°F
NE
5 mph
Units of measurement: °C / °F