| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 15°C | -8°C | 4°C |
| February | 18°C | -1°C | 7°C |
| March | 21°C | -2°C | 8°C |
| April | 26°C | -4°C | 9°C |
| May | 25°C | 1°C | 12°C |
| June | 30°C | 3°C | 16°C |
| July | 35°C | 7°C | 19°C |
| August | 36°C | 7°C | 20°C |
| September | 37°C | 1°C | 18°C |
| October | 32°C | 1°C | 15°C |
| November | 17°C | -3°C | 7°C |
| December | 14°C | -7°C | 6°C |
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