| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 5 | 5.2 | 9.3 | 16 | 20.7 | 24 | 27.5 | 29.5 | 25.2 | 19.9 | 14.3 | 8.8 |
| Average Low Temperature (°C) | -0.8 | -1.2 | 1.2 | 6.4 | 12.1 | 17 | 20.8 | 21.9 | 17.8 | 11.6 | 6.2 | 1.8 |
| Average Precipitation (mm) | 265.8 | 169.7 | 142.9 | 115.6 | 126 | 177.4 | 218.7 | 183 | 223.9 | 168.4 | 225.6 | 245.5 |
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