| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 8.5 | 8.8 | 12.3 | 18.3 | 23.1 | 26.4 | 29.6 | 30.9 | 27 | 21.8 | 16.3 | 11.2 |
| Average Low Temperature (°C) | 0.3 | 0.3 | 3.3 | 8.4 | 13.3 | 18.7 | 23 | 23.8 | 19.5 | 12.6 | 7 | 2.1 |
| Average Precipitation (mm) | 33.2 | 45 | 88.6 | 88.6 | 119.5 | 170.4 | 151.5 | 83 | 142.7 | 77.8 | 51.1 | 22.7 |
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