Water temperature in Versoix

This data the coastal Versoix 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.

Current water temperature in Versoix

Water temperature in Versoix today is 19.9°C. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Geneva near Versoix was recorded in 2022 and was 22.5°C, and the coldest was recorded in 2012 at 18.4°C. Water temperature in Versoix is expected to drop to 19.2°C in the next 10 days. September average water temperature in Versoix is 19.2°C, the minimum temperature is 16.1°C, and the maximum is 23.4°C.

The swimming season in Versoix lasts from July to September. During those months, Versoix water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Versoix in winter reaches 9.4°C, in spring 11.3°C, in summer the average temperature rises to 20°C, and in autumn it is 16°C.

Versoix water temperature now

Current temperature and weather

Data in a table show Versoix temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Versoix.

0-3 h	3-6 h	6-9 h	9-12 h
9.5°C	8.3°C	7.5°C	14.6°C

12-15 h	15-18 h	18-21 h	21-24 h
19.6°C	21.8°C	16.7°C	11.9°C

Versoix water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Versoix. 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 Versoix 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

Chart monthly average water temperature in Versoix

The nearest beaches and cities from Versoix with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Hermance	19.9°C	22°C
Coppet	19.9°C	22°C
Chens sur Leman	20.1°C	22°C
Messery	20.3°C	23°C
Nernier	20.9°C	23°C
Yvoire	20.9°C	23°C
Excenevex	21.1°C	23°C
Anthy-sur-Leman	21.1°C	23°C
Sciez	21.1°C	23°C
Thonon-les-Bains	21.2°C	20°C

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Our report for Versoix is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.