| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 9°C | -14°C | 0°C |
| February | 16°C | 0°C | 7°C |
| March | 23°C | -1°C | 8°C |
| April | 26°C | -2°C | 11°C |
| May | 24°C | 4°C | 15°C |
| June | 33°C | 6°C | 18°C |
| July | 34°C | 10°C | 21°C |
| August | 33°C | 11°C | 21°C |
| September | 32°C | 9°C | 18°C |
| October | 26°C | 2°C | 13°C |
| November | 16°C | -9°C | 5°C |
| December | 11°C | -15°C | 1°C |
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