Measurements:
°C
°F
Lausanne
38°F
S 4 mph
Feels like: 34°F
Precip: 100%
World Resorts Switzerland Lausanne Weather

Lausanne Sea Water Temperature

Current Sea Water Temperature:
+49.8°F
Maximum Sea Water Temperature in December: 53.6°F
Minimum Sea Water Temperature in December: 43.6°F
Average water temperature in December: 48.3°F

Sea Water Temperature for the Last 10 Days:

December 05 49.8°F November 30 50.2°F
December 04 50.0°F November 29 50.6°F
December 03 50.0°F November 28 51.0°F
December 02 49.4°F November 27 51.2°F
December 01 50.0°F November 26 51.6°F

When is the Warmest Sea for Lausanne?

According to our data for the last three years for Lausanne 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 Lausanne was 75.1°F. The maximum and minimum values were 72.2°F and 77.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Lausanne was 74.4°F. The maximum and minimum values were 72.4°F and 77.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lausanne was 70.1°F. The maximum and minimum values were 66.8°F and 73.8°F respectively.

Best Time to Visit Lausanne
The most sunny months:
August 19 days
July 18 days
September 17 days
The most warm months:
August 77.0 °F
July 76.5 °F
June 72.7 °F
Warmest sea temperature:
August 72.0 °F
July 70.8 °F
September 67.7 °F
The most cold months:
January 38.5 °F
December 41.3 °F
February 41.7 °F
The most rainy months:
May 6 days
June 6 days
December 6 days
The most windy months:
January 7 mph
February 6 mph
December 6 mph

Lausanne on the Weather Map

Switzerland Resorts:
NAME
Basle +38
Berne +34
Geneva +36
Gstaad +30
Lake Geneva +38
Lausanne +38
Lucerne +28
Lugano +42
Montreux +28
St Gallen +34
Verbier +18
Vevey +28
Winterthur +34
Zermatt +12
Zurich +34
24 Hours Weather Forecast
Lausanne
Local time: 09:38
05 dec, friday
1200 40°F
SW
3 mph
1500 42°F
W
2 mph
1800 40°F
W
2 mph
2100 38°F
NE
3 mph
06 dec, saturday
0000 36°F
NE
6 mph
0300 38°F
NE
7 mph
0600 40°F
NE
9 mph
0900 42°F
NE
8 mph