| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 8.9 | 9.4 | 12.8 | 18.3 | 22.9 | 25.9 | 29.5 | 30.6 | 26.9 | 22 | 16.8 | 11.7 |
| Average Low Temperature (°C) | 2.5 | 2.7 | 5.4 | 9.7 | 14.2 | 18.7 | 23.1 | 24 | 20 | 13.9 | 8.9 | 4.4 |
| Average Precipitation (mm) | 83.1 | 82.4 | 137.3 | 134.2 | 155.9 | 293.5 | 296.5 | 190.8 | 193.9 | 77.7 | 83.5 | 56.9 |
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