Chart of year Zwiesel / Großer Regen
| Date | Water temperature [°C] | Maximum [°C] | Minimum [°C] |
|---|---|---|---|
| 24.07.2026 | 12.9 | 14.5 | 11.6 |
| 23.07.2026 | 14.3 | 15.6 | 13.1 |
| 22.07.2026 | 14.0 | 15.2 | 12.7 |
| 21.07.2026 | 14.0 | 15.2 | 12.5 |
| 20.07.2026 | 14.4 | 16.4 | 12.7 |
| 19.07.2026 | 16.0 | 18.0 | 15.1 |
| 18.07.2026 | 17.4 | 19.0 | 15.8 |