| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 1.3 | 1.5 | 4.9 | 10.6 | 14.8 | 19.1 | 23.2 | 25.6 | 22.2 | 16.4 | 9.8 | 4.2 |
| Average Low Temperature (°C) | -3.6 | -3.5 | -0.8 | 3.9 | 8.2 | 12.8 | 17.4 | 19.5 | 15.5 | 9.5 | 3.6 | -1 |
| Average Precipitation (mm) | 87.1 | 62.4 | 60.9 | 77 | 88.1 | 75.7 | 118.1 | 151.7 | 143.5 | 110.9 | 104.2 | 99.4 |
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