This data the coastal Lausanne water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Lausanne today is 20.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Geneva near Lausanne was recorded in 2016 and was 23°C, and the coldest was recorded in 2012 at 19.1°C. Water temperature in Lausanne is expected to drop to 20.4°C in the next 10 days. September average water temperature in Lausanne is 20.1°C, the minimum temperature is 16.9°C, and the maximum is 23.8°C.
The swimming season in Lausanne lasts from July to September. During those months, Lausanne water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Lausanne in winter reaches 7.6°C, in spring 10.4°C, in summer the average temperature rises to 20.9°C, and in autumn it is 16.1°C.
5 September 2025 |
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today temp |
20.8°C |
4 September 2025 |
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yesterday temp |
20.4°C |
Data in a table show Lausanne temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Lausanne.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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13.8°C | 13.7°C | 12.8°C | 14.4°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
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16.9°C | 18.2°C | 17.5°C | 13.5°C |
You may also be interested in other sections of our site for Lausanne: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Lausanne. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Lausanne on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 7.2°C | 5.8°C | 9.4°C | cold |
Water temperature in Lausanne in January | ||||
February | 6.6°C | 5.4°C | 8.2°C | cold |
Water temperature in Lausanne in February | ||||
March | 7.3°C | 5.5°C | 11°C | cold |
Water temperature in Lausanne in March | ||||
April | 10.2°C | 6.3°C | 15.7°C | cold |
Water temperature in Lausanne in April | ||||
May | 13.8°C | 10.4°C | 19.5°C | cold |
Water temperature in Lausanne in May | ||||
June | 18.4°C | 12.8°C | 24.4°C | cold |
Water temperature in Lausanne in June | ||||
July | 21.9°C | 18.4°C | 24.8°C | warm |
Water temperature in Lausanne in July | ||||
August | 22.5°C | 20°C | 25.7°C | warm |
Water temperature in Lausanne in August | ||||
September | 20.1°C | 16.9°C | 23.8°C | warm |
Water temperature in Lausanne in September | ||||
October | 15.9°C | 12.4°C | 20.2°C | cold |
Water temperature in Lausanne in October | ||||
November | 12.2°C | 9.8°C | 16.1°C | cold |
Water temperature in Lausanne in November | ||||
December | 9.1°C | 6.8°C | 11.8°C | cold |
Water temperature in Lausanne in December |