| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -6°C | 4°C |
| February | 14°C | -9°C | 2°C |
| March | 22°C | -6°C | 7°C |
| April | 25°C | 6°C | 15°C |
| May | 32°C | 8°C | 19°C |
| June | 38°C | 15°C | 25°C |
| July | 40°C | 18°C | 28°C |
| August | 39°C | 17°C | 28°C |
| September | 35°C | 10°C | 21°C |
| October | 28°C | 2°C | 16°C |
| November | 20°C | 2°C | 12°C |
| December | 16°C | -11°C | 3°C |
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