| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 2°C | -29°C | -13°C |
| February | 2°C | -20°C | -7°C |
| March | 5°C | -11°C | -1°C |
| April | 12°C | -15°C | 1°C |
| May | 22°C | -3°C | 8°C |
| June | 24°C | 7°C | 14°C |
| July | 26°C | 10°C | 17°C |
| August | 23°C | 11°C | 16°C |
| September | 20°C | 9°C | 14°C |
| October | 12°C | -1°C | 5°C |
| November | 6°C | -6°C | 1°C |
| December | 2°C | -19°C | -7°C |
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