| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 9°C | -12°C | -2°C |
| February | 15°C | -9°C | 5°C |
| March | 23°C | -2°C | 6°C |
| April | 24°C | -1°C | 10°C |
| May | 24°C | 1°C | 11°C |
| June | 30°C | 9°C | 19°C |
| July | 34°C | 9°C | 20°C |
| August | 32°C | 11°C | 20°C |
| September | 29°C | 4°C | 16°C |
| October | 26°C | 0°C | 12°C |
| November | 17°C | -9°C | 4°C |
| December | 12°C | -5°C | 1°C |
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