| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 5°C | -12°C | -3°C |
| February | 11°C | -2°C | 4°C |
| March | 22°C | -2°C | 6°C |
| April | 24°C | 3°C | 13°C |
| May | 25°C | 5°C | 15°C |
| June | 31°C | 12°C | 21°C |
| July | 38°C | 14°C | 25°C |
| August | 37°C | 14°C | 24°C |
| September | 33°C | 11°C | 21°C |
| October | 23°C | 3°C | 12°C |
| November | 15°C | -6°C | 5°C |
| December | 10°C | -6°C | 1°C |
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