World Resorts France Rennes Weather

Rennes Sea Temperature in May

Average sea water temperature in May:
+55.2°F
Minimum sea water temperature in May: 59.9°F
Maximum sea water temperature in May: 50.0°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 57.0°F. The highest and lowest sea temperatures during the month were 58.8°F and 55.0°F.

Monthly sea water temperature in Rennes, °F

Which France resorts have warmest sea in May?

Place name May 2025 May 2024
Roquebrune Cap Martin 66.2°F 64.4°F
Aiacciu 66.1°F 65.0°F
Corsica 66.1°F 65.0°F
Bastia 66.0°F 64.8°F
Saint Jean Cap Ferrat 66.0°F 64.3°F
Portivecju 66.0°F 64.5°F
Menton 66.0°F 64.2°F
Nice 65.8°F 64.2°F
Cannes 65.7°F 64.0°F
Theoule Sur Mer 65.7°F 64.1°F
Mandelieu la Napoule 65.7°F 64.1°F
Golfe Juan 65.7°F 64.0°F
Antibes 65.6°F 64.0°F
Juan les Pins 65.6°F 64.0°F
Saint Laurent du Var 65.5°F 64.0°F
Propriano 65.5°F 64.4°F
Cagnes sur Mer 65.4°F 63.9°F
Le Grau Du Roi 65.2°F 63.4°F
Frejus 65.2°F 63.6°F
Saint-Tropez 65.1°F 63.4°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
N 14 mph
Feels like: +43°F
Precip.: 0%
Places in France:
Name
°F
+36°F
+54°F
+52°F
+46°F
+54°F
+55°F
+54°F
+55°F
+54°F
+50°F
+43°F
+55°F
+52°F
+54°F
+45°F
24 Hours Forecast
Rennes
Local time: 07:51
December 15, monday
0900
48°F
N
14 mph
1200
52°F
N
15 mph
1500
54°F
N
17 mph
1800
52°F
N
15 mph
2100
50°F
N
16 mph
December 16, tuesday
0000
48°F
N
11 mph
0300
50°F
N
9 mph
0600
50°F
NW
6 mph
Units of measurement: °C / °F