Water temperature in Lake Zurich in July
Is it warm enough to swim in Lake Zurich in July? Average water temperature in Lake Zurich in July is 20.3°C and therefore suitable for comfortable swimming. The warmest water in Lake Zurich in July is 25°C, and the coldest is 17°C. To find out the water temperature today and in the coming days, go to Current water temperature in Lake Zurich
Changes water temperature in Lake Zurich in July 2025, 2024
To get an accurate forecast for the water temperature in Lake Zurich for any chosen month, compare two years within a 10 year range using the chart below.
You can choose any other years:
Day |
2025 |
2024 |
1 July | 23°C | 18°C |
2 July | 23°C | 18°C |
3 July | 23°C | 18°C |
4 July | 23°C | 17°C |
5 July | 22°C | 17°C |
6 July | 21°C | 17°C |
7 July | 20°C | 18°C |
8 July | 19°C | 19°C |
9 July | 19°C | 20°C |
10 July | 18°C | 20°C |
11 July | 18°C | |
12 July | 19°C | |
13 July | 20°C | |
14 July | 20°C | |
15 July | 20°C | |
Day |
2025 |
2024 |
16 July | 21°C | |
17 July | 20°C | |
18 July | 21°C | |
19 July | 20°C | 21°C |
20 July | 20°C | 21°C |
21 July | 20°C | 21°C |
22 July | 20°C | 22°C |
23 July | 19°C | 22°C |
24 July | 19°C | 21°C |
25 July | 18°C | 21°C |
26 July | 18°C | 21°C |
27 July | 17°C | 21°C |
28 July | 17°C | 22°C |
29 July | 17°C | 22°C |
30 July | 17°C | 23°C |
31 July | 17°C | 23°C |
Average water temperature in Lake Zurich in July over a decade
2016 | 2017 | 2018 | 2019 | 2020 |
19.4°C | 19.7°C | 21.4°C | 21.5°C | 19.7°C |
2021 | 2022 | 2023 | 2024 | 2025 |
18.6°C | 20.2°C | 20.3°C | | 19.6°C |
Lake Zurich water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below