| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 2.6 | 2.7 | 7.1 | 14.9 | 20.7 | 23.9 | 27 | 28.7 | 23.9 | 18.2 | 12.3 | 5.4 |
| Average Low Temperature (°C) | -4.4 | -4.9 | -2.3 | 2.8 | 8.2 | 13.9 | 18 | 19.1 | 15 | 8.2 | 2.6 | -2 |
| Average Precipitation (mm) | 255.7 | 223 | 186.8 | 140 | 141.4 | 204.7 | 270.6 | 168.9 | 239.1 | 151 | 198 | 228.2 |
| 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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