| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 10°C | -13°C | 2°C |
| February | 14°C | 0°C | 8°C |
| March | 19°C | 0°C | 9°C |
| April | 26°C | 0°C | 11°C |
| May | 24°C | 7°C | 15°C |
| June | 34°C | 7°C | 20°C |
| July | 33°C | 11°C | 23°C |
| August | 34°C | 12°C | 24°C |
| September | 31°C | 6°C | 18°C |
| October | 25°C | 2°C | 15°C |
| November | 16°C | -1°C | 7°C |
| December | 15°C | -7°C | 5°C |
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