| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 7.6 | 7.6 | 10.9 | 16.3 | 20.6 | 23.7 | 27.5 | 29.3 | 25.5 | 20.8 | 15.6 | 10.8 |
| Average Low Temperature (°C) | 0.9 | 0.4 | 2 | 6.6 | 11.2 | 16.2 | 21.1 | 22.3 | 17.8 | 11.7 | 7.1 | 3.1 |
| Average Precipitation (mm) | 148.4 | 124.4 | 114.6 | 111.9 | 123.9 | 179.1 | 190.1 | 139.3 | 211.6 | 110.4 | 144.3 | 152.5 |
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