| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 10°C | -14°C | 1°C |
| February | 13°C | 0°C | 6°C |
| March | 20°C | -2°C | 8°C |
| April | 27°C | -4°C | 10°C |
| May | 23°C | 5°C | 14°C |
| June | 31°C | 7°C | 17°C |
| July | 31°C | 7°C | 19°C |
| August | 32°C | 9°C | 20°C |
| September | 30°C | 5°C | 17°C |
| October | 26°C | 0°C | 12°C |
| November | 15°C | -9°C | 4°C |
| December | 9°C | -17°C | 2°C |
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