| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High ( C° ) |
7.7 | 8.6 | 12.7 | 18.6 | 23.5 | 27.2 | 31.6 | 31.5 | 27.2 | 22 | 16.7 | 10.6 |
| Avg. Low ( C° ) |
0.5 | 1.5 | 5.1 | 10.6 | 15.7 | 20.3 | 24.8 | 24.7 | 20.5 | 14.7 | 8.6 | 2.4 |
| Rainfall Amount | 39 | 58.8 | 81.2 | 102.3 | 114.5 | 152 | 128.2 | 133 | 155.6 | 60.5 | 51.2 | 34.7 |
| Days with Rain | 6 | 7.4 | 9.4 | 10 | 9.6 | 10.3 | 8.7 | 7.6 | 9 | 5.9 | 5.1 | 4.7 |