| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 3°C | -16°C | -4°C |
| February | 13°C | -2°C | 4°C |
| March | 24°C | -2°C | 5°C |
| April | 23°C | 1°C | 10°C |
| May | 25°C | 2°C | 14°C |
| June | 29°C | 9°C | 18°C |
| July | 34°C | 11°C | 21°C |
| August | 31°C | 10°C | 21°C |
| September | 29°C | 8°C | 19°C |
| October | 19°C | 0°C | 9°C |
| November | 13°C | -10°C | 2°C |
| December | 8°C | -14°C | -1°C |
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