Water temperature in Hallstatter See in August
Is it warm enough to swim in Hallstatter See in August? Average water temperature in Hallstatter See in August is 20.1°C and therefore suitable for comfortable swimming. The warmest water in Hallstatter See in August is 24°C, and the coldest is 14°C. To find out the water temperature today and in the coming days, go to Current water temperature in Hallstatter See
Changes water temperature in Hallstatter See in August 2025, 2024
To get an accurate forecast for the water temperature in Hallstatter See 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 August | 16°C | |
2 August | 16°C | 21°C |
3 August | 16°C | 21°C |
4 August | 17°C | |
5 August | 17°C | |
6 August | 18°C | 20°C |
7 August | 19°C | 20°C |
8 August | 19°C | 21°C |
9 August | 20°C | 21°C |
10 August | 20°C | |
11 August | 20°C | 23°C |
12 August | 20°C | |
13 August | 20°C | |
14 August | 20°C | 23°C |
15 August | 20°C | 23°C |
Day |
2025 |
2024 |
16 August | 20°C | 23°C |
17 August | 21°C | 21°C |
18 August | 21°C | 21°C |
19 August | 20°C | 20°C |
20 August | 19°C | 20°C |
21 August | 18°C | 20°C |
22 August | 17°C | 20°C |
23 August | 17°C | 20°C |
24 August | 17°C | 20°C |
25 August | 17°C | 20°C |
26 August | 17°C | 20°C |
27 August | 18°C | 21°C |
28 August | 17°C | 21°C |
29 August | 18°C | 21°C |
30 August | 18°C | 21°C |
31 August | 18°C | 22°C |
Average water temperature in Hallstatter See in August over a decade
2016 | 2017 | 2018 | 2019 | 2020 |
| 20.1°C | 21.5°C | 20.3°C | 20.5°C |
2021 | 2022 | 2023 | 2024 | 2025 |
18.3°C | 19.8°C | 19.9°C | 21°C | |
Hallstatter See water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below