| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average High Temperature (°C) | 9.2 | 10 | 13.7 | 19.1 | 23.5 | 26.2 | 29.7 | 31.1 | 27.5 | 22.5 | 17 | 11.7 |
| Average Low Temperature (°C) | 1.5 | 2 | 5.3 | 9.9 | 14.4 | 19.2 | 23.3 | 23.9 | 20 | 13.7 | 8.2 | 3.2 |
| Average Precipitation (mm) | 56.5 | 72.6 | 142.7 | 138.8 | 188.8 | 420.1 | 390.8 | 207.9 | 191 | 80.5 | 71 | 39.9 |
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