| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -2°C | 5°C |
| February | 17°C | 1°C | 6°C |
| March | 15°C | 0°C | 6°C |
| April | 21°C | 5°C | 14°C |
| May | 23°C | 8°C | 16°C |
| June | 28°C | 13°C | 21°C |
| July | 31°C | 19°C | 25°C |
| August | 32°C | 22°C | 27°C |
| September | 31°C | 19°C | 25°C |
| October | 23°C | 9°C | 16°C |
| November | 22°C | 3°C | 13°C |
| December | 18°C | -1°C | 7°C |
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