| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 5°C | -22°C | -6°C |
| February | 7°C | -9°C | -1°C |
| March | 15°C | -5°C | 3°C |
| April | 18°C | -4°C | 5°C |
| May | 27°C | -1°C | 14°C |
| June | 28°C | 5°C | 15°C |
| July | 27°C | 7°C | 16°C |
| August | 27°C | 9°C | 17°C |
| September | 29°C | 6°C | 15°C |
| October | 16°C | -3°C | 6°C |
| November | 8°C | -9°C | 0°C |
| December | 8°C | -18°C | -4°C |
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