| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 14°C | -14°C | 0°C |
| February | 18°C | -9°C | 6°C |
| March | 22°C | -3°C | 9°C |
| April | 27°C | 0°C | 13°C |
| May | 30°C | 9°C | 19°C |
| June | 34°C | 9°C | 22°C |
| July | 35°C | 12°C | 24°C |
| August | 38°C | 10°C | 25°C |
| September | 35°C | 7°C | 22°C |
| October | 33°C | -1°C | 15°C |
| November | 24°C | -6°C | 8°C |
| December | 15°C | -4°C | 6°C |
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