Measurements:
°C
°F
Annecy
78°F
SE 3 mph
Feels like: 80°F
Precip: 0%
World Resorts France Annecy Weather

Annecy Sea Water Temperature

Current Sea Water Temperature:
+71.8°F
Maximum Sea Water Temperature in May: 71.8°F
Minimum Sea Water Temperature in May: 30.0°F
Average water temperature in May: 56.2°F

Sea Water Temperature for the Last 10 Days:

May 30 71.8°F May 25 66.6°F
May 29 71.0°F May 24 64.0°F
May 28 70.6°F May 23 62.2°F
May 27 68.2°F May 22 61.0°F
May 26 66.4°F May 21 59.6°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
Antibes +80
Arcachon +70
Biarritz +68
Bordeaux +80
Cannes +80
Corsica +80
Etretat +66
Marseilles +82
Menton +76
Montpellier +82
Nice +80
Paris +88
Perpignan +84
Saint-Tropez +82
Toulouse +78
24 Hours Weather Forecast
Annecy
Local time: 10:43
30 may, saturday
1200 78°F
SE
3 mph
1500 84°F
SE
3 mph
1800 82°F
S
3 mph
2100 62°F
W
2 mph
31 may, sunday
0000 56°F
W
3 mph
0300 54°F
W
3 mph
0600 54°F
W
2 mph
0900 72°F
NE
1 mph