| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -13°C | 2°C |
| February | 15°C | 0°C | 7°C |
| March | 18°C | -1°C | 7°C |
| April | 27°C | -2°C | 9°C |
| May | 25°C | 4°C | 13°C |
| June | 31°C | 6°C | 17°C |
| July | 34°C | 10°C | 20°C |
| August | 32°C | 9°C | 20°C |
| September | 30°C | 3°C | 17°C |
| October | 26°C | 1°C | 13°C |
| November | 13°C | -3°C | 5°C |
| December | 11°C | -15°C | 3°C |
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