| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 3 | 3.5 | 7.9 | 15.9 | 21.8 | 25 | 28.4 | 30.2 | 24.8 | 18.6 | 12 | 6.2 |
| Average Low Temperature (°C) | -3.6 | -3.7 | -1.1 | 4.2 | 9.7 | 15 | 19.1 | 20.3 | 15.7 | 8.7 | 2.9 | -1 |
| Average Precipitation (mm) | 75.4 | 70.2 | 66.5 | 68.1 | 81.3 | 102.6 | 143.9 | 148.8 | 134.3 | 76 | 80.8 | 77.2 |
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 9.8 | 10 | 12.9 | 18.4 | 22.7 | 25.2 | 29 | 30.8 | 26.8 | 21.6 | 16.7 | 12.3 |
| Average Low Temperature (°C) | 2.1 | 2.4 | 5.1 | 10.5 | 15.1 | 18.9 | 22.5 | 24.2 | 20.7 | 15 | 9.5 | 4.6 |
| Average Precipitation (mm) | 48.6 | 60.2 | 114.5 | 130.3 | 128 | 164.9 | 161.5 | 155.1 | 208.5 | 163.1 | 92.5 | 39.6 |
| Rainy Days | 4.6 | 5.8 | 9.5 | 10.1 | 9.6 | 11.9 | 10.4 | 8.2 | 11.3 | 9.1 | 6.2 | 3.8 |
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