| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 6°C | -15°C | -3°C |
| February | 11°C | -3°C | 4°C |
| March | 22°C | -1°C | 6°C |
| April | 25°C | -2°C | 9°C |
| May | 26°C | 0°C | 15°C |
| June | 30°C | 6°C | 17°C |
| July | 31°C | 0°C | 18°C |
| August | 34°C | 10°C | 19°C |
| September | 32°C | 8°C | 19°C |
| October | 24°C | 0°C | 9°C |
| November | 12°C | -8°C | 3°C |
| December | 8°C | -10°C | 0°C |
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