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| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -13°C | -1°C |
| February | 17°C | -9°C | 5°C |
| March | 22°C | -3°C | 9°C |
| April | 28°C | 1°C | 13°C |
| May | 30°C | 9°C | 19°C |
| June | 34°C | 11°C | 22°C |
| July | 34°C | 13°C | 24°C |
| August | 37°C | 10°C | 24°C |
| September | 35°C | 7°C | 21°C |
| October | 32°C | -1°C | 15°C |
| November | 19°C | -7°C | 7°C |
| December | 15°C | -2°C | 6°C |
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