| Month | Avg max | Avg min | Average | High | Date | Low | Date |
|---|---|---|---|---|---|---|---|
| Jan | 6.9 | 0.8 | 3.8 | 11.2 | 10 | -7.8 | 22 |
| Feb | 8.9 | 2.0 | 5.1 | 12.4 | 19 | -5.0 | 08 |
| Mar | 10.2 | 3.2 | 6.0 | 16.0 | 17 | -3.3 | 11 |
| Apr | 13.9 | 3.2 | 7.9 | 21.2 | 29 | -2.5 | 04 |
| May | 20.0 | 7.3 | 12.8 | 24.0 | 27 | 3.7 | 16 |
| Jun | 25.3 | 11.4 | 17.6 | 31.6 | 24 | 6.0 | 03 |
| Jul | 20.8 | 10.8 | 15.1 | 29.2 | 07 | 6.7 | 05 |
| Aug | 21.6 | 11.2 | 15.5 | 26.7 | 10 | 7.6 | 30 |
| Sep | 21.7 | 11.7 | 16.0 | 32.0 | 09 | 6.2 | 22 |
| Oct | 15.2 | 7.7 | 11.1 | 24.6 | 08 | 0.9 | 16 |
| Nov | 9.3 | 3.3 | 6.1 | 13.0 | 18 | -3.4 | 25 |
| Dec | 8.0 | 3.7 | 6.1 | 11.4 | 21 | -5.1 | 02 |
| 2023 | 15.2 | 6.4 | 10.3 | 32.0 | Sep | -7.8 | Jan |