Water temperature in Versoix in July

Is it warm enough to swim in Versoix in July? Average water temperature in Versoix in July is 20.9°C and therefore suitable for comfortable swimming. The warmest water in Versoix in July is 24.9°C, and the coldest is 16.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Versoix

Changes water temperature in Versoix in July 2025, 2024

To get an accurate forecast for the water temperature in Versoix for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Versoix, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

Sea temperature

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Sunrise and Sunset

You can choose any other years:

Day	2025	2024	Min	Max
1 July	24.1°C	19.9°C	16.8°C	24.1°C
2 July	23.7°C	19.7°C	17.1°C	23.7°C
3 July	23.5°C	19.6°C	17°C	23.5°C
4 July	24.2°C	19.5°C	17.5°C	24.2°C
5 July	24.5°C	19.2°C	17.8°C	24.5°C
6 July	24.5°C	19.2°C	18.3°C	24.5°C
7 July	24.2°C	18.2°C	18.2°C	24.2°C
8 July	23.6°C	19.5°C	19.1°C	23.6°C
9 July	23.1°C	19.5°C	19.1°C	23.1°C
10 July	21.9°C	20.1°C	19°C	22.8°C
11 July	21.8°C	20.1°C	19.1°C	22.7°C
12 July	21.6°C	20.2°C	19.1°C	22.5°C
13 July	21.4°C	19.6°C	19.1°C	22.9°C
14 July	21.8°C	19.5°C	19.1°C	22.8°C
15 July	21.9°C	20.4°C	19.2°C	23.1°C

Day	2025	2024	Min	Max
16 July	21.6°C	20.1°C	19.2°C	23°C
17 July	22.2°C	20.5°C	18.9°C	22.8°C
18 July	22°C	21.3°C	19°C	23.3°C
19 July	22.1°C	21.6°C	19°C	23.6°C
20 July	22.4°C	21.5°C	19.1°C	23.1°C
21 July	22.2°C	21.4°C	19°C	24.2°C
22 July	21.2°C	22.1°C	18.6°C	24°C
23 July	21.1°C	22.1°C	18.4°C	24.2°C
24 July	21°C	22.1°C	18.6°C	24.9°C
25 July	20.6°C	23°C	19°C	24.5°C
26 July	20.6°C	23°C	19.4°C	24.1°C
27 July	20.5°C	23.3°C	19.4°C	24.1°C
28 July	20.4°C	23.1°C	19.5°C	23.9°C
29 July	20.3°C	23.5°C	19.4°C	23.6°C
30 July	20.2°C	23.6°C	19.3°C	23.6°C
31 July	20.1°C	23.2°C	19.4°C	23.8°C

Average water temperature in Versoix in July over a decade

2016	2017	2018	2019	2020
20.2°C	19.8°C	21.2°C	21.9°C	21.3°C

2021	2022	2023	2024	2025
20°C	23°C	21.7°C	21°C	22.1°C

Versoix water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Hermance	20.9°C	16.8°C	24.9°C
Coppet	20.9°C	16.8°C	24.9°C
Chens sur Leman	21.1°C	17°C	25°C
Messery	21.4°C	17.3°C	24.8°C
Nernier	21.8°C	18°C	25°C
Yvoire	21.8°C	18°C	25°C
Excenevex	21.8°C	18.1°C	25°C
Anthy-sur-Leman	21.8°C	18.1°C	25°C
Sciez	21.8°C	18.1°C	25°C
Thonon-les-Bains	21.9°C	18.2°C	25.1°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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature