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Weather in Iron Mountain
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | -5°C | -12°C |
| February | -4°C | -12°C |
| March | 2°C | -6°C |
| April | 8°C | 0°C |
| May | 17°C | 6°C |
| June | 22°C | 11°C |
| July | 25°C | 14°C |
| August | 24°C | 13°C |
| September | 20°C | 10°C |
| October | 11°C | 4°C |
| November | 4°C | -2°C |
| December | -2°C | -8°C |
