| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 9°C | -15°C | -3°C |
| February | 12°C | -6°C | 2°C |
| March | 14°C | -6°C | 3°C |
| April | 22°C | -10°C | 5°C |
| May | 21°C | 1°C | 9°C |
| June | 28°C | 1°C | 13°C |
| July | 28°C | 0°C | 15°C |
| August | 29°C | 4°C | 17°C |
| September | 29°C | -1°C | 13°C |
| October | 25°C | -3°C | 10°C |
| November | 9°C | -15°C | -1°C |
| December | 7°C | -19°C | -2°C |
|
|
|
