| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High ( C° ) |
8.9 | 9.8 | 15.1 | 21.2 | 25.8 | 29.1 | 32.5 | 32.6 | 28.4 | 22 | 16.8 | 11.4 |
| Avg. Low ( C° ) |
1.9 | 3.4 | 7.4 | 12.8 | 17.5 | 21 | 23.4 | 23 | 19.2 | 14.1 | 9 | 3.8 |
| Rainfall Amount | 39 | 47.1 | 72.2 | 164.4 | 207.9 | 196 | 118.7 | 122.5 | 66.3 | 104.2 | 68 | 33.8 |
| Days with Rain | 7.9 | 7.9 | 10.4 | 13.4 | 13 | 11 | 8.3 | 7.4 | 6.3 | 9.2 | 7.8 | 5.7 |