| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 10 | 9.8 | 11.9 | 16.2 | 19.8 | 22.2 | 25.6 | 27.8 | 25.3 | 21.1 | 16.9 | 12.5 |
| Average Low Temperature (°C) | 2.4 | 2.7 | 5.6 | 10.3 | 14.1 | 17.2 | 20.6 | 22.8 | 20.9 | 16 | 10.5 | 5 |
| Average Precipitation (mm) | 78.1 | 91.6 | 154.1 | 128.2 | 122.5 | 149.2 | 116.1 | 103.3 | 226.5 | 216.1 | 124 | 70.3 |
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