| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -8°C | 3°C |
| February | 15°C | 1°C | 8°C |
| March | 17°C | 0°C | 8°C |
| April | 24°C | -2°C | 9°C |
| May | 23°C | 5°C | 13°C |
| June | 28°C | 5°C | 17°C |
| July | 30°C | 10°C | 19°C |
| August | 32°C | 10°C | 20°C |
| September | 31°C | 3°C | 17°C |
| October | 28°C | 2°C | 14°C |
| November | 16°C | -4°C | 6°C |
| December | 11°C | -8°C | 5°C |
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