| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 15°C | -14°C | 2°C |
| February | 16°C | -10°C | 2°C |
| March | 18°C | -6°C | 5°C |
| April | 25°C | 0°C | 12°C |
| May | 28°C | 2°C | 12°C |
| June | 29°C | 9°C | 19°C |
| July | 31°C | 10°C | 20°C |
| August | 33°C | 11°C | 21°C |
| September | 31°C | 6°C | 16°C |
| October | 21°C | 2°C | 11°C |
| November | 18°C | -3°C | 8°C |
| December | 16°C | -6°C | 5°C |
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