| Month | Avg max | Avg min | Average | High | Date | Low | Date |
|---|---|---|---|---|---|---|---|
| Jan | 6.2 | 0.9 | 3.2 | 9.7 | 29 | -4.5 | 25 |
| Feb | 7.5 | 0.6 | 3.9 | 14.4 | 24 | -6.1 | 11 |
| Mar | 12.0 | 2.3 | 6.2 | 23.7 | 30 | -2.9 | 07 |
| Apr | 15.6 | -0.0 | 6.5 | 23.3 | 20 | -3.7 | 07 |
| May | 17.8 | 4.6 | 9.8 | 27.6 | 31 | -1.1 | 06 |
| Jun | 24.2 | 10.3 | 15.9 | 35.3 | 13 | 5.5 | 23 |
| Jul | 26.3 | 12.7 | 17.9 | 37.6 | 18 | 8.3 | 06 |
| Aug | 22.0 | 11.3 | 15.2 | 29.6 | 04 | 8.6 | 03 |
| Sep | 20.9 | 10.6 | 14.9 | 31.0 | 06 | 4.0 | 29 |
| Oct | 14.4 | 7.5 | 10.9 | 18.3 | 07 | 2.6 | 21 |
| Nov | 9.5 | 3.3 | 6.3 | 14.3 | 09 | -3.3 | 29 |
| Dec | 8.0 | 3.2 | 5.7 | 12.7 | 30 | -3.3 | 22 |
| 2021 | 15.9 | 5.9 | 10.1 | 37.6 | Jul | -6.1 | Feb |