World Resorts France Rennes Weather

Rennes Sea Temperature in October

Average sea water temperature in October:
+61.1°F
Minimum sea water temperature in October: 64.8°F
Maximum sea water temperature in October: 57.4°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 60.6°F. The highest and lowest sea temperatures during the month were 62.6°F and 57.9°F.

Monthly sea water temperature in Rennes, °F

Which France resorts have warmest sea in October?

Place name October 2025 October 2024
Aiacciu 72.1°F 69.1°F
Corsica 71.9°F 69.0°F
Propriano 71.8°F 68.9°F
Calvi 71.6°F 69.1°F
Bunifaziu 71.4°F 68.9°F
Bastia 71.0°F 69.3°F
Portivecju 70.8°F 69.1°F
Roquebrune Cap Martin 69.8°F 69.4°F
Saint Jean Cap Ferrat 69.8°F 69.5°F
Menton 69.8°F 69.4°F
Nice 69.6°F 69.3°F
Theoule Sur Mer 69.6°F 68.9°F
Mandelieu la Napoule 69.6°F 68.9°F
Cannes 69.4°F 68.9°F
Saint Laurent du Var 69.4°F 69.0°F
Juan les Pins 69.3°F 68.8°F
Antibes 69.3°F 68.8°F
Golfe Juan 69.3°F 68.8°F
Cagnes sur Mer 69.3°F 68.9°F
Frejus 69.1°F 68.6°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
+36°F
N 15 mph
Feels like: +27°F
Precip.: 100%
Places in France:
Name
°F
+16°F
+39°F
+34°F
+28°F
+41°F
+43°F
+34°F
+43°F
+36°F
+37°F
+30°F
+41°F
+27°F
-2°F
+37°F
24 Hours Forecast
Rennes
Local time: 03:47
January 07, wednesday
0600
41°F
NE
12 mph
0900
41°F
SE
14 mph
1200
45°F
SE
12 mph
1500
46°F
SE
12 mph
1800
43°F
NE
9 mph
2100
41°F
N
7 mph
January 08, thursday
0000
46°F
NE
8 mph
0300
48°F
E
11 mph
Units of measurement: °C / °F