Measurements:
°C
°F
Lausanne
40°F
SW 1 mph
Feels like: 40°F
Precip: 0%
World Resorts Switzerland Lausanne Weather

Lausanne Sea Water Temperature

Current Sea Water Temperature:
+48.6°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 13 48.6°F December 08 48.8°F
December 12 49.0°F December 07 49.6°F
December 11 49.0°F December 06 49.8°F
December 10 49.0°F December 05 49.8°F
December 09 49.2°F December 04 50.0°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 +40
Berne +34
Geneva +34
Gstaad +22
Interlaken +30
Lake Geneva +40
Lausanne +40
Lucerne +32
Lugano +34
Montreux +28
St Gallen +36
Verbier +18
Vevey +28
Winterthur +34
Zurich +34
24 Hours Weather Forecast
Lausanne
Local time: 10:24
13 dec, saturday
1200 46°F
SE
1 mph
1500 48°F
SW
1 mph
1800 44°F
SW
2 mph
2100 42°F
SW
2 mph
14 dec, sunday
0000 40°F
SW
3 mph
0300 38°F
S
1 mph
0600 38°F
SW
1 mph
0900 38°F
SW
2 mph