Measurements:
°C
°F
Lake Geneva
32°F
SW 11 mph
Feels like: 22°F
Precip: 0%
World Resorts Switzerland Lake Geneva Weather

Lake Geneva Sea Water Temperature

Current Sea Water Temperature:
+47.0°F
Maximum Sea Water Temperature in December: 53.8°F
Minimum Sea Water Temperature in December: 43.6°F
Average water temperature in December: 48.4°F

Sea Water Temperature for the Last 10 Days:

December 24 47.0°F December 19 48.0°F
December 23 47.6°F December 18 48.4°F
December 22 48.2°F December 17 48.6°F
December 21 48.4°F December 16 49.0°F
December 20 48.4°F December 15 48.6°F

When is the Warmest Sea for Lake Geneva?

According to our data for the last three years for Lake Geneva 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: 2024 2023 2022

The average sea surface temperature in August 2024 for Lake Geneva was 76.3°F. The maximum and minimum values were 73.6°F and 79.0°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Lake Geneva was 73.1°F. The maximum and minimum values were 68.4°F and 78.2°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Lake Geneva was 70.5°F. The maximum and minimum values were 65.0°F and 77.2°F respectively.

Best Time to Visit Lake Geneva
The most sunny months:
August 18 days
July 17 days
September 17 days
The most warm months:
August 77.1 °F
July 76.5 °F
June 71.4 °F
Warmest sea temperature:
August 71.8 °F
July 70.4 °F
September 67.4 °F
The most cold months:
January 37.1 °F
December 40.0 °F
February 40.6 °F
The most rainy months:
May 8 days
June 7 days
January 6 days
The most windy months:
January 6 mph
February 6 mph
December 6 mph

Lake Geneva on the Weather Map

Switzerland Resorts:
NAME
Basle +30
Berne +22
Geneva +28
Gstaad +8
Lake Geneva +32
Lausanne +32
Lucerne +24
Lugano +22
Montreux +16
St Gallen +28
Verbier +4
Vevey +32
Winterthur +32
Zermatt +6
Zurich +32
24 Hours Weather Forecast
Lake Geneva
Local time: 17:21
24 dec, tuesday
1800 32°F
SW
11 mph
2100 30°F
SW
10 mph
25 dec, wednesday
0000 28°F
SW
9 mph
0300 28°F
SW
11 mph
0600 26°F
SW
11 mph
0900 24°F
SW
11 mph
1200 32°F
S
10 mph
1500 32°F
S
7 mph