| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -11°C | 2°C |
| February | 18°C | -3°C | 5°C |
| March | 22°C | -5°C | 7°C |
| April | 27°C | 6°C | 15°C |
| May | 29°C | 8°C | 17°C |
| June | 34°C | 11°C | 22°C |
| July | 33°C | 20°C | 26°C |
| August | 35°C | 18°C | 27°C |
| September | 34°C | 12°C | 24°C |
| October | 23°C | 5°C | 15°C |
| November | 25°C | -2°C | 9°C |
| December | 19°C | -14°C | 4°C |
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