| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 5°C | -10°C | -2°C |
| February | 14°C | -5°C | 4°C |
| March | 19°C | -5°C | 6°C |
| April | 23°C | -3°C | 8°C |
| May | 24°C | 2°C | 13°C |
| June | 30°C | 2°C | 16°C |
| July | 32°C | 6°C | 20°C |
| August | 32°C | 6°C | 20°C |
| September | 31°C | 4°C | 17°C |
| October | 22°C | 1°C | 11°C |
| November | 12°C | -10°C | 2°C |
| December | 8°C | -15°C | -2°C |
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