| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 5°C | -26°C | -11°C |
| February | 3°C | -21°C | -7°C |
| March | 3°C | -14°C | -3°C |
| April | 9°C | -13°C | -1°C |
| May | 22°C | -2°C | 10°C |
| June | 24°C | 6°C | 13°C |
| July | 23°C | 10°C | 16°C |
| August | 21°C | 9°C | 15°C |
| September | 22°C | 5°C | 14°C |
| October | 14°C | -2°C | 4°C |
| November | 5°C | -10°C | -2°C |
| December | 4°C | -20°C | -8°C |
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