| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 4°C | -26°C | -13°C |
| February | 3°C | -23°C | -9°C |
| March | 6°C | -19°C | -6°C |
| April | 11°C | -15°C | -5°C |
| May | 21°C | -5°C | 7°C |
| June | 19°C | -3°C | 8°C |
| July | 22°C | 2°C | 10°C |
| August | 18°C | 2°C | 9°C |
| September | 22°C | -2°C | 8°C |
| October | 7°C | -14°C | -4°C |
| November | 4°C | -18°C | -8°C |
| December | 4°C | -22°C | -12°C |
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