| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 8°C | -14°C | -2°C |
| February | 12°C | -2°C | 5°C |
| March | 23°C | -1°C | 6°C |
| April | 26°C | 2°C | 12°C |
| May | 24°C | 2°C | 14°C |
| June | 30°C | 12°C | 19°C |
| July | 38°C | 14°C | 24°C |
| August | 37°C | 12°C | 24°C |
| September | 33°C | 10°C | 20°C |
| October | 27°C | 1°C | 13°C |
| November | 15°C | -6°C | 5°C |
| December | 10°C | -5°C | 1°C |
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