This data the coastal Anthy-sur-Leman 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 Anthy-sur-Leman today is 21.2°C. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Geneva near Anthy-sur-Leman was recorded in 2016 and was 22.8°C, and the coldest was recorded in 2012 at 19.2°C. Water temperature in Anthy-sur-Leman is expected to drop to 20°C in the next 10 days. September average water temperature in Anthy-sur-Leman is 19.9°C, the minimum temperature is 16.8°C, and the maximum is 23.6°C.
The swimming season in Anthy-sur-Leman lasts from June to September. During those months, Anthy-sur-Leman water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Anthy-sur-Leman in winter reaches 7.8°C, in spring 10.5°C, in summer the average temperature rises to 20.9°C, and in autumn it is 16°C.
5 September 2025 |
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today temp |
21.2°C |
4 September 2025 |
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yesterday temp |
21.1°C |
Data in a table show Anthy-sur-Leman temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Anthy-sur-Leman.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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13.8°C | 7.1°C | 6.7°C | 9.9°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
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16.1°C | 18.5°C | 17.6°C | 12.6°C |
You may also be interested in other sections of our site for Anthy-sur-Leman: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Anthy-sur-Leman. 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 Anthy-sur-Leman 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 | |
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January | 7.4°C | 6.1°C | 9.5°C | cold |
Water temperature in Anthy-sur-Leman in January | ||||
February | 6.8°C | 5.7°C | 8.3°C | cold |
Water temperature in Anthy-sur-Leman in February | ||||
March | 7.4°C | 5.8°C | 10.5°C | cold |
Water temperature in Anthy-sur-Leman in March | ||||
April | 10.2°C | 6.6°C | 14.5°C | cold |
Water temperature in Anthy-sur-Leman in April | ||||
May | 13.8°C | 10.5°C | 18.7°C | cold |
Water temperature in Anthy-sur-Leman in May | ||||
June | 18.4°C | 12.7°C | 24.3°C | cold |
Water temperature in Anthy-sur-Leman in June | ||||
July | 21.8°C | 18.1°C | 25°C | warm |
Water temperature in Anthy-sur-Leman in July | ||||
August | 22.5°C | 19.8°C | 25.6°C | warm |
Water temperature in Anthy-sur-Leman in August | ||||
September | 19.9°C | 16.8°C | 23.6°C | cold |
Water temperature in Anthy-sur-Leman in September | ||||
October | 15.8°C | 13.1°C | 19.5°C | cold |
Water temperature in Anthy-sur-Leman in October | ||||
November | 12.3°C | 10°C | 15.7°C | cold |
Water temperature in Anthy-sur-Leman in November | ||||
December | 9.3°C | 7°C | 11.8°C | cold |
Water temperature in Anthy-sur-Leman in December |