| Nach Jahren | ||||
| Jahre | Niedrigste Semily (°C) | Höchste Semily (°C) | ||
| 2026 | 12. 1. 07:49 | -16.2 | 27. 2. 15:34 | 14.3 |
| 2025 | 17. 2. 06:33 | -14.4 | 15. 6. 16:31 | 29.2 |
| 2024 | 17. 1. 07:17 | -12 | 10. 7. 13:00 | 32.4 |
| 2023 | 7. 2. 07:58 | -11.4 | 15. 7. 17:02 | 32.9 |
| 2022 | 17. 12. 22:47 | -8.1 | 12. 11. 13:07 | 11.9 |
| Niedrigste Semily | |
| Tag | Semily (°C) |
| 12. 1. 2026 07:49 | -16.2 |
| 19. 2. 2025 06:15 | -14.4 |
| 17. 2. 2025 06:33 | -14.4 |
| 6. 1. 2026 09:42 | -14.1 |
| 18. 2. 2025 07:37 | -14.1 |
| 20. 2. 2025 07:27 | -13.7 |
| -12.8 | |
| 17. 1. 2024 07:17 | -12 |
| 7. 2. 2023 07:58 | -11.4 |
| -11 | |
| 9. 1. 2024 08:29 | -10.8 |
| 10. 1. 2024 06:04 | -10.6 |
| 8. 1. 2026 08:55 | -10.3 |
| 9. 2. 2023 07:11 | -10.3 |
| 11. 1. 2024 05:49 | -9.8 |
| Niedrigste Semily - Durchschnitt | |
| Tag | Semily (°C) |
| 6. 1. 2026 | -9.78 |
| 12. 1. 2026 | -9.66 |
| 18. 2. 2025 | -7.62 |
| 17. 2. 2025 | -7.28 |
| 19. 2. 2025 | -7.02 |
| -6.72 | |
| 17. 1. 2024 | -6.35 |
| 7. 1. 2026 | -6.3 |
| 9. 1. 2024 | -6.05 |
| 20. 2. 2025 | -6.05 |
| -6 | |
| -5.97 | |
| 10. 1. 2024 | -5.97 |
| 21. 1. 2026 | -5.94 |
| 8. 1. 2024 | -5.87 |
| Höchste Semily | |
| Tag | Semily (°C) |
| 32.9 | |
| 10. 7. 2024 13:00 | 32.4 |
| 29. 8. 2024 15:00 | 32.1 |
| 32.1 | |
| 30. 8. 2024 13:53 | 32 |
| 14. 8. 2024 14:04 | 31.9 |
| 31.3 | |
| 4. 9. 2024 15:39 | 31.1 |
| 20. 6. 2023 15:50 | 31.1 |
| 31.1 | |
| 22. 6. 2023 17:01 | 31 |
| 21. 6. 2024 16:31 | 30.9 |
| 16. 8. 2023 15:30 | 30.9 |
| 22. 8. 2023 16:32 | 30.8 |
| 30.8 | |
| Höchste Semily - Durchschnitt | |
| Tag | Semily (°C) |
| 25.87 | |
| 24.81 | |
| 22. 6. 2023 | 24.71 |
| 10. 7. 2024 | 24.61 |
| 21. 8. 2023 | 24.28 |
| 21. 6. 2023 | 24.23 |
| 13. 8. 2024 | 24.2 |
| 22. 8. 2023 | 24.04 |
| 14. 8. 2024 | 23.99 |
| 16. 8. 2024 | 23.95 |
| 23.91 | |
| 29. 8. 2024 | 23.84 |
| 1. 8. 2024 | 23.81 |
| 23.57 | |
| 28. 6. 2024 | 23.47 |