Measurements:
°C
°F
Annecy
102°F
E 4 mph
Feels like: 98°F
Precip: 1%
World Resorts France Annecy Weather

Annecy Sea Water Temperature

Current Sea Water Temperature:
+77.0°F
Maximum Sea Water Temperature in July: 80.8°F
Minimum Sea Water Temperature in July: 30.0°F
Average water temperature in July: 69.5°F

Sea Water Temperature for the Last 10 Days:

July 30 77.0°F July 25 77.2°F
July 29 77.4°F July 24 78.2°F
July 28 76.2°F July 23 78.0°F
July 27 75.8°F July 22 78.4°F
July 26 76.6°F July 21 76.8°F

When is the Warmest Sea for Annecy?

According to our data for the last three years for Annecy the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Annecy was 74.3°F. The maximum and minimum values were 70.2°F and 77.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Annecy was 78.8°F. The maximum and minimum values were 75.8°F and 80.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Annecy was 68.7°F. The maximum and minimum values were 65.6°F and 71.6°F respectively.

Best Time to Visit Annecy
The most sunny months:
August 20 days
July 17 days
September 16 days
The most warm months:
July 80.5 °F
August 80.4 °F
June 76.1 °F
Warmest sea temperature:
August 69.6 °F
July 69.5 °F
September 66.0 °F
The most cold months:
January 37.1 °F
December 39.8 °F
February 41.9 °F
The most rainy months:
May 9 days
June 8 days
July 6 days
The most windy months:
April 4 mph
May 4 mph
January 4 mph

Annecy on the Weather Map

France Resorts:
NAME
Antibes +90
Arcachon +80
Cannes +92
Corsica +92
Deauville +76
Etretat +70
Marseilles +88
Menton +88
Montpellier +88
Nice +92
Paris +92
Perpignan +92
Saint-Tropez +92
Toulon +92
Toulouse +100
24 Hours Weather Forecast
Annecy
Local time: 14:57
30 jul, thursday
1500 102°F
E
4 mph
1800 98°F
SE
4 mph
2100 72°F
SW
2 mph
31 jul, friday
0000 66°F
W
3 mph
0300 64°F
NW
3 mph
0600 64°F
W
3 mph
0900 80°F
E
1 mph
1200 92°F
E
5 mph