Annual Weather Averages in Iron Mountain
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Iron Mountain
High Temp: 80 °F
Low Temp: 6 °F
Mean Temp: 42 °F
Precipitation: 1.83"
Humidity: 70%
Dew Point: 33 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Iron Mountain
High Temp: 24 °F
Low Temp: 6 °F
Mean Temp: 15 °F
Precipitation: 0.76"
Humidity: 76%
Dew Point: 10 °F
Wind: 11 mph
Pressure: 30.07 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Iron Mountain
High Temp: 27 °F
Low Temp: 6 °F
Mean Temp: 17 °F
Precipitation: 0.63"
Humidity: 73%
Dew Point: 10 °F
Wind: 12 mph
Pressure: 30.07 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Iron Mountain
High Temp: 38 °F
Low Temp: 17 °F
Mean Temp: 28 °F
Precipitation: 0.99"
Humidity: 68%
Dew Point: 18 °F
Wind: 11 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Iron Mountain
High Temp: 52 °F
Low Temp: 28 °F
Mean Temp: 40 °F
Precipitation: 1.77"
Humidity: 61%
Dew Point: 26 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Iron Mountain
High Temp: 66 °F
Low Temp: 40 °F
Mean Temp: 53 °F
Precipitation: 2.34"
Humidity: 61%
Dew Point: 39 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Iron Mountain
High Temp: 76 °F
Low Temp: 50 °F
Mean Temp: 63 °F
Precipitation: 2.90"
Humidity: 67%
Dew Point: 51 °F
Wind: 9 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Iron Mountain
High Temp: 80 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 2.82"
Humidity: 68%
Dew Point: 56 °F
Wind: 9 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Iron Mountain
High Temp: 78 °F
Low Temp: 53 °F
Mean Temp: 66 °F
Precipitation: 2.59"
Humidity: 72%
Dew Point: 56 °F
Wind: 8 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Iron Mountain
High Temp: 70 °F
Low Temp: 46 °F
Mean Temp: 58 °F
Precipitation: 2.80"
Humidity: 74%
Dew Point: 49 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Iron Mountain
High Temp: 55 °F
Low Temp: 34 °F
Mean Temp: 45 °F
Precipitation: 2.31"
Humidity: 73%
Dew Point: 37 °F
Wind: 11 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Iron Mountain
High Temp: 40 °F
Low Temp: 24 °F
Mean Temp: 32 °F
Precipitation: 1.17"
Humidity: 74%
Dew Point: 25 °F
Wind: 11 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Iron Mountain
High Temp: 29 °F
Low Temp: 13 °F
Mean Temp: 21 °F
Precipitation: 0.83"
Humidity: 78%
Dew Point: 16 °F
Wind: 11 mph
Pressure: 30.05 "Hg
Visibility: 8 mi