| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -20°C | -1°C |
| February | 15°C | -7°C | 5°C |
| March | 19°C | -5°C | 6°C |
| April | 26°C | -6°C | 9°C |
| May | 24°C | -1°C | 12°C |
| June | 35°C | 3°C | 17°C |
| July | 35°C | 2°C | 19°C |
| August | 36°C | 0°C | 20°C |
| September | 31°C | 0°C | 15°C |
| October | 26°C | -3°C | 12°C |
| November | 17°C | -11°C | 4°C |
| December | 17°C | -9°C | 3°C |
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