| Month | Min Temp | Max Temp |
|---|---|---|
| January | -1.9°C (28.6°F) | 2.7°C (36.8°F) |
| February | -2.0°C (28.5°F) | 4.2°C (39.6°F) |
| March | 1.6°C (34.8°F) | 9.9°C (49.9°F) |
| April | 5.1°C (41.3°F) | 14.8°C (58.7°F) |
| May | 8.7°C (47.6°F) | 17.6°C (63.7°F) |
| June | 12.5°C (54.5°F) | 22.0°C (71.6°F) |
| July | 14.1°C (57.5°F) | 23.9°C (75.1°F) |
| August | 13.6°C (56.5°F) | 23.4°C (74.1°F) |
| September | 9.9°C (49.8°F) | 19.1°C (66.3°F) |
| October | 6.2°C (43.2°F) | 13.4°C (56.2°F) |
| November | 2.5°C (36.5°F) | 7.6°C (45.8°F) |
| December | -1.0°C (30.2°F) | 3.9°C (39.1°F) |