Measurements:
°C
°F
Annecy
38°F
SE 2 mph
Feels like: 38°F
Precip: 100%
World Resorts France Annecy Weather

Annecy Sea Water Temperature

Current Sea Water Temperature:
+46.4°F
Maximum Sea Water Temperature in March: 51.2°F
Minimum Sea Water Temperature in March: 30.0°F
Average water temperature in March: 46.4°F

Sea Water Temperature for the Last 10 Days:

March 30 46.4°F March 25 47.0°F
March 29 47.0°F March 24 46.2°F
March 28 46.6°F March 23 46.2°F
March 27 47.2°F March 22 46.4°F
March 26 47.4°F March 21 46.0°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Annecy was 74.4°F. The maximum and minimum values were 70.4°F and 79.0°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:
August 80.4 °F
July 80.2 °F
June 75.7 °F
Warmest sea temperature:
August 69.6 °F
July 68.9 °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 9 days
July 7 days
The most windy months:
April 4 mph
May 4 mph
January 4 mph

Annecy on the Weather Map

France Resorts:
NAME
Annecy +38
Antibes +56
Biarritz +54
Bordeaux +54
Cannes +56
Chamonix +22
Corsica +46
Etretat +50
Marseilles +52
Menton +58
Montpellier +52
Nice +54
Paris +50
Saint-Tropez +58
Toulouse +48
24 Hours Weather Forecast
Annecy
Local time: 20:44
30 mar, monday
2100 38°F
SE
2 mph
31 mar, tuesday
0000 36°F
S
2 mph
0300 26°F
S
3 mph
0600 22°F
SW
4 mph
0900 34°F
S
4 mph
1200 40°F
S
9 mph
1500 46°F
S
10 mph
1800 44°F
S
9 mph