Is it warm enough to swim in Geneva in July? Average water temperature in Geneva in July is 20.9°C and therefore suitable for comfortable swimming. The warmest water in Geneva in July is 24.9°C, and the coldest is 16.8°C. Average high air temperature in Geneva in July is 27°C, and average low temperature is 14°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Geneva
To get an accurate forecast for the water temperature in Geneva for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Geneva, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.
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 |
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 |
This data display average monthly climate indicators in Geneva in July based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
You can also view information about water temperature for other months by clicking on the month button below