| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | -5°C | -17°C | -12°C |
| February | -8°C | -31°C | -19°C |
| March | -1°C | -29°C | -15°C |
| April | 1°C | -20°C | -8°C |
| May | 11°C | -13°C | 1°C |
| June | 20°C | -1°C | 8°C |
| July | 23°C | 7°C | 14°C |
| August | 20°C | 5°C | 13°C |
| September | 17°C | -3°C | 8°C |
| October | 8°C | -11°C | -3°C |
| November | -3°C | -14°C | -8°C |
| December | -5°C | -21°C | -12°C |
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