| Month | Min Temp | Max Temp |
|---|---|---|
| January | -13.9°C (7.0°F) | -5.8°C (21.6°F) |
| February | -12.7°C (9.1°F) | -3.3°C (26.1°F) |
| March | -6.5°C (20.4°F) | 4.4°C (39.9°F) |
| April | -0.2°C (31.6°F) | 11.1°C (52.0°F) |
| May | 7.0°C (44.6°F) | 19.9°C (67.8°F) |
| June | 11.9°C (53.4°F) | 23.5°C (74.2°F) |
| July | 14.5°C (58.0°F) | 25.9°C (78.6°F) |
| August | 13.1°C (55.5°F) | 24.1°C (75.4°F) |
| September | 9.2°C (48.5°F) | 20.3°C (68.5°F) |
| October | 2.8°C (37.1°F) | 11.6°C (52.8°F) |
| November | -3.4°C (25.8°F) | 4.1°C (39.4°F) |
| December | -10.4°C (13.2°F) | -3.6°C (25.5°F) |