| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 6°C | -14°C | -2°C |
| February | 10°C | -2°C | 3°C |
| March | 19°C | -2°C | 5°C |
| April | 22°C | 4°C | 13°C |
| May | 24°C | 5°C | 15°C |
| June | 29°C | 13°C | 21°C |
| July | 37°C | 14°C | 25°C |
| August | 34°C | 13°C | 24°C |
| September | 31°C | 10°C | 20°C |
| October | 22°C | 1°C | 13°C |
| November | 18°C | -7°C | 5°C |
| December | 9°C | -3°C | 2°C |
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