| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 11°C | -12°C | 1°C |
| February | 14°C | 0°C | 6°C |
| March | 22°C | -2°C | 8°C |
| April | 26°C | -2°C | 10°C |
| May | 26°C | 4°C | 16°C |
| June | 31°C | 7°C | 17°C |
| July | 33°C | 9°C | 19°C |
| August | 34°C | 11°C | 20°C |
| September | 33°C | 8°C | 19°C |
| October | 26°C | 2°C | 12°C |
| November | 14°C | -5°C | 5°C |
| December | 11°C | -7°C | 3°C |
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