| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 8°C | -13°C | 0°C |
| February | 11°C | -13°C | 2°C |
| March | 19°C | -1°C | 7°C |
| April | 28°C | 8°C | 16°C |
| May | 30°C | 5°C | 16°C |
| June | 33°C | 11°C | 23°C |
| July | 35°C | 15°C | 25°C |
| August | 37°C | 15°C | 26°C |
| September | 36°C | 11°C | 22°C |
| October | 24°C | 7°C | 16°C |
| November | 21°C | -1°C | 11°C |
| December | 12°C | -4°C | 5°C |
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