| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 4°C | -17°C | -5°C |
| February | 11°C | -7°C | 2°C |
| March | 22°C | -2°C | 5°C |
| April | 24°C | -3°C | 8°C |
| May | 26°C | -1°C | 14°C |
| June | 30°C | 7°C | 16°C |
| July | 29°C | 10°C | 19°C |
| August | 30°C | 11°C | 18°C |
| September | 28°C | 8°C | 18°C |
| October | 23°C | -1°C | 8°C |
| November | 13°C | -9°C | 2°C |
| December | 7°C | -11°C | -2°C |
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