| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 4°C | -33°C | -14°C |
| February | 6°C | -25°C | -8°C |
| March | 9°C | -28°C | -7°C |
| April | 21°C | -10°C | 7°C |
| May | 24°C | 2°C | 11°C |
| June | 27°C | 5°C | 15°C |
| July | 40°C | 11°C | 22°C |
| August | 37°C | 6°C | 21°C |
| September | 34°C | 5°C | 19°C |
| October | 21°C | -10°C | 6°C |
| November | 7°C | -15°C | -2°C |
| December | 5°C | -12°C | -3°C |
