Is it warm enough to swim in Nyon in August? Average water temperature in Nyon in August is 21.9°C and therefore suitable for comfortable swimming. The warmest water in Nyon in August is 26.3°C, and the coldest is 18.8°C. Average high air temperature in Nyon in August is 25°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 Nyon
To get an accurate forecast for the water temperature in Nyon for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Nyon, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
1 August | 21.4°C | 24.3°C | 20.1°C | 24.5°C |
2 August | 20.9°C | 24.2°C | 20.2°C | 24.5°C |
3 August | 20.9°C | 24.6°C | 20.5°C | 24.9°C |
4 August | 21.4°C | 24.5°C | 20.5°C | 24.8°C |
5 August | 21.5°C | 24.8°C | 20.3°C | 24.8°C |
6 August | 21.2°C | 25°C | 20.3°C | 25.2°C |
7 August | 21.6°C | 24.8°C | 20.3°C | 24.8°C |
8 August | 22°C | 25°C | 20.3°C | 25°C |
9 August | 22.7°C | 25.1°C | 20°C | 25.1°C |
10 August | 23.1°C | 25.6°C | 20.3°C | 25.6°C |
11 August | 23.5°C | 25°C | 20.3°C | 25°C |
12 August | 23.7°C | 26°C | 20.1°C | 26°C |
13 August | 23.6°C | 25.9°C | 20.3°C | 25.9°C |
14 August | 24.2°C | 25.4°C | 20.2°C | 25.4°C |
15 August | 23.9°C | 25.2°C | 20.1°C | 25.2°C |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
16 August | 23.9°C | 24.7°C | 19.9°C | 24.7°C |
17 August | 23.5°C | 25.3°C | 19.7°C | 25.3°C |
18 August | 23.6°C | 24.8°C | 19.5°C | 24.8°C |
19 August | 23.2°C | 23.6°C | 19.6°C | 24.1°C |
20 August | 22.9°C | 22.7°C | 19.3°C | 24.8°C |
21 August | 22.7°C | 22.5°C | 19.2°C | 25.3°C |
22 August | 22.6°C | 22.5°C | 19.1°C | 25.6°C |
23 August | 22.9°C | 22.6°C | 18.9°C | 26°C |
24 August | 22.4°C | 23°C | 18.9°C | 26.3°C |
25 August | 22.4°C | 22.5°C | 18.8°C | 25.7°C |
26 August | 22.3°C | 21.7°C | 18.9°C | 25.2°C |
27 August | 22.1°C | 21.9°C | 19.1°C | 24.8°C |
28 August | 22.7°C | 21.9°C | 19.2°C | 24.4°C |
29 August | 22.6°C | 22°C | 19.4°C | 24°C |
30 August | 21.4°C | 22.9°C | 19.5°C | 23.7°C |
31 August | 21.3°C | 22.9°C | 19.7°C | 23.4°C |
2016 | 2017 | 2018 | 2019 | 2020 |
21°C | 20.8°C | 22.7°C | 22.2°C | 23.4°C |
2021 | 2022 | 2023 | 2024 | 2025 |
21.1°C | 23.3°C | 22.7°C | 24°C | 21.5°C |
This data display average monthly climate indicators in Nyon in August 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