| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -7°C | 2°C |
| February | 19°C | -9°C | 4°C |
| March | 27°C | 1°C | 12°C |
| April | 34°C | 8°C | 19°C |
| May | 41°C | 13°C | 25°C |
| June | 45°C | 19°C | 31°C |
| July | 39°C | 17°C | 28°C |
| August | 37°C | 18°C | 28°C |
| September | 34°C | 14°C | 24°C |
| October | 31°C | 10°C | 20°C |
| November | 32°C | -3°C | 9°C |
| December | 24°C | -20°C | -1°C |
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