| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 6 | 5.9 | 9.4 | 15.6 | 20 | 23.2 | 27.4 | 29.3 | 25.3 | 20.1 | 14.5 | 9.3 |
| Average Low Temperature (°C) | 0.1 | -0.4 | 1.1 | 5.6 | 10.6 | 15.7 | 20.4 | 21.4 | 17.2 | 11 | 6.1 | 2.3 |
| Average Precipitation (mm) | 215.3 | 152.8 | 129.9 | 119.2 | 133.1 | 156.4 | 176.2 | 171.2 | 246.8 | 165.1 | 233.7 | 256.8 |
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