| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 12°C | -10°C | 2°C |
| February | 11°C | -7°C | 1°C |
| March | 16°C | -7°C | 3°C |
| April | 19°C | 0°C | 10°C |
| May | 26°C | 1°C | 13°C |
| June | 34°C | 7°C | 20°C |
| July | 38°C | 13°C | 26°C |
| August | 34°C | 8°C | 21°C |
| September | 34°C | 4°C | 19°C |
| October | 29°C | 2°C | 15°C |
| November | 22°C | -9°C | 5°C |
| December | 17°C | -8°C | 4°C |
