Chart of year Zwiesel / Großer Regen
| Date | Water temperature [°C] | Maximum [°C] | Minimum [°C] |
|---|---|---|---|
| 11.07.2026 | 16.0 | 18.2 | 14.9 |
| 10.07.2026 | 16.3 | 18.9 | 14.0 |
| 09.07.2026 | 15.9 | 17.7 | 13.9 |
| 08.07.2026 | 16.3 | 17.5 | 15.3 |
| 07.07.2026 | 15.0 | 16.3 | 14.3 |
| 06.07.2026 | 15.1 | 16.0 | 14.3 |
| 05.07.2026 | 15.4 | 17.1 | 14.6 |