| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -6°C | 4°C |
| February | 15°C | -9°C | 2°C |
| March | 24°C | -7°C | 8°C |
| April | 26°C | 6°C | 15°C |
| May | 32°C | 7°C | 19°C |
| June | 39°C | 12°C | 26°C |
| July | 42°C | 15°C | 28°C |
| August | 41°C | 14°C | 28°C |
| September | 38°C | 9°C | 22°C |
| October | 29°C | 2°C | 17°C |
| November | 22°C | 3°C | 12°C |
| December | 17°C | -11°C | 2°C |
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