Iron Mountain, Michigan Climate
United States
Pop. 7,504 Elev. 344 m / 1,129 ft
TZ: America/Menominee (UTC-5) ·
Iron Mountain experiences a wide climate range, from bitterly cold winters of 8°F (-13°C) in January to mild summers reaching 80°F (27°C) in July. Wind chill can push winter lows to -2°F (-19°C). Precipitation occurs on roughly 47 days per year (26.9 in / 683 mm total), with snow on 11 days and 69 in (1751 mm) of annual accumulation. The city averages 96 sunny days per year and around 28 thunderstorm days. Ocean water temperatures reach 71°F (22°C) in summer.
| Temperature | 80°F (27°C) high | 8°F (-13°C) low |
| Feels like | 84°F (29°C) high | -2°F (-19°C) low |
| Rain | 47 days | 26.9 in (683 mm) /yr |
| Snow | 11 days | 68.9 in (1751 mm) /yr |
| Sky | 96 sunny | 28 stormy |
| Wind | 2.8 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
65
Jan 69
Feb 69
Mar 62
Apr 49
May 63
Jun 49
Jul 51
Aug 55
Sep 49
Oct 64
Nov 77
Dec Humidity (%)
64
Jan 69
Feb 62
Mar 61
Apr 55
May 69
Jun 73
Jul 77
Aug 78
Sep 74
Oct 70
Nov 77
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 2 mi Ford Airport (IMT)
Ski resort 2 mi Pine Mountain Ski Hill
National park 100 mi Keweenaw National Historical Park, Calumet Unit
Hospital 1 mi Oscar G. Johnson Veterans Affairs Medical Center
Hiking trail 19 mi Lake Mary Plains Pathway
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 25°F -4°C | 8°F -13°C | 0.0 in 0 mm | 6.0 in153 mm | 5 |
| February | 27°F -3°C | 9°F -13°C | 0.1 in 2 mm | 12.2 in311 mm | 3 |
| March | 43°F 6°C | 23°F -5°C | 2.4 in 61 mm | 23.8 in604 mm | 4 |
| April | 53°F 12°C | 32°F 0°C | 2.6 in 65 mm | 5.4 in136 mm | 9 |
| May | 68°F 20°C | 42°F 6°C | 1.1 in 28 mm | — | 15 |
| June | 76°F 25°C | 55°F 13°C | 5.7 in 144 mm | — | 7 |
| July | 80°F 27°C | 58°F 14°C | 5.2 in 133 mm | — | 11 |
| August | 76°F 24°C | 55°F 13°C | 4.3 in 110 mm | — | 10 |
| September | 71°F 22°C | 51°F 11°C | 2.6 in 65 mm | — | 11 |
| October | 61°F 16°C | 41°F 5°C | 1.1 in 29 mm | — | 13 |
| November | 41°F 5°C | 27°F -3°C | 1.2 in 31 mm | 5.8 in147 mm | 5 |
| December | 26°F -4°C | 12°F -11°C | 0.5 in 14 mm | 15.8 in400 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 5 | 0 |
| February | 3 | 0 |
| March | 4 | 2 |
| April | 9 | 3 |
| May | 15 | 1 |
| June | 7 | 5 |
| July | 11 | 8 |
| August | 10 | 6 |
| September | 11 | 2 |
| October | 13 | 1 |
| November | 5 | 0 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 34°F 1°C | 32°F 0°C |
| February | 30°F -1°C | 32°F 0°C |
| March | 33°F 0°C | 32°F 0°C |
| April | 39°F 4°C | 39°F 4°C |
| May | 50°F 10°C | 53°F 11°C |
| June | 62°F 17°C | 66°F 19°C |
| July | 70°F 21°C | 75°F 24°C |
| August | 71°F 22°C | 71°F 21°C |
| September | 66°F 19°C | 62°F 16°C |
| October | 63°F 17°C | 55°F 13°C |
| November | 52°F 11°C | 38°F 3°C |
| December | 42°F 5°C | 32°F 0°C |