| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 1°C | -27°C | -13°C |
| February | 1°C | -31°C | -13°C |
| March | 4°C | -19°C | -5°C |
| April | 20°C | -1°C | 9°C |
| May | 22°C | 0°C | 9°C |
| June | 27°C | 9°C | 19°C |
| July | 30°C | 0°C | 20°C |
| August | 26°C | 10°C | 19°C |
| September | 24°C | 2°C | 16°C |
| October | 18°C | -3°C | 7°C |
| November | 12°C | -14°C | 1°C |
| December | 2°C | -31°C | -9°C |
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