| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 7 | 6.8 | 10.8 | 17.2 | 22 | 25.2 | 29.2 | 31 | 26.4 | 21 | 15.7 | 10.3 |
| Average Low Temperature (°C) | 0.6 | 0.3 | 2.8 | 7.6 | 12.5 | 17.4 | 21.5 | 22.7 | 18.7 | 12.3 | 7 | 2.6 |
| Average Precipitation (mm) | 206.2 | 161.3 | 128.9 | 110 | 143.6 | 177 | 184.7 | 144.4 | 221.1 | 157.9 | 155 | 182.3 |
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