Iron Mountain (MI) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Iron Mountain

Iron Mountain average temperature chart (Celsius) Iron Mountain average temperature chart (Fahrenheit)
Average monthly temperatures in Iron Mountain (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -5.6 -3.2 2.8 11.2 18.8 23.4 26.2 24.3 19.3 13 4 -3.4
°F 21.9 26.3 37 52.2 65.8 74.1 79.2 75.8 66.7 55.3 39.3 25.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Iron Mountain monthly rainfall chart (mm) Iron Mountain monthly rainfall chart (inches)
Average monthly rainfall in Iron Mountain (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 29 23 42 60 80 93 86 96 94 64 49 39
inches 1.2 0.9 1.7 2.3 3.2 3.6 3.4 3.8 3.7 2.5 1.9 1.5
Rainy days 14 11 13 11 11 12 10 11 13 12 13 15

Average annual rainfall in Iron Mountain: 712.467mm (280.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Iron Mountain

Iron Mountain average daily sunshine chart
Average daily sunshine Iron Mountain
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.5 5.6 6.6 8.1 9.7 10.5 11.1 9.5 7.1 5.3 3.5 3.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Iron Mountain average minimum / maximum temperatures (Celsius) Iron Mountain average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Iron Mountain (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -17.3 -16.2 -9.3 -1.8 4.5 9.7 12.7 11.6 7.1 1.6 -5.1 -13
Max °C -5.3 -2.9 3.1 11.6 19.2 23.8 26.6 24.7 19.6 13.3 4.3 -3.2
Min °F 0.9 2.9 15.3 28.9 40 49.4 54.8 52.8 44.7 34.8 22.9 8.6
Max °F 11.7 14.9 26.4 40.8 53.2 62.1 67.3 64.6 55.9 45.3 31.3 17.4

Sea temperature

The graph below shows the average sea temperature.

Iron Mountain average sea temperature chart (Celsius) Iron Mountain average sea temperature chart (Fahrenheit)
Average sea temperature around Iron Mountain in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.1 2.6 2.3 2.4 3.4 6.4 12 17.2 15.6 10.4 6.7 4.4
°F 37.6 36.6 36.1 36.3 38.1 43.5 53.7 62.9 60.1 50.7 44.1 39.9

Wind speed

The graph below shows the average wind speed.

Iron Mountain average winspeed by month (km/h) Iron Mountain average winspeed by month (mph)
Average wind speed in Iron Mountain (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 16 17 17 16 14 13 13 14 16 17 16
mph 11 10 10 11 10 9 8 8 9 10 10 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Iron Mountain relative humidity averages
Average relative humidity in Iron Mountain
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 72% 67% 66% 71% 73% 77% 79% 75% 77% 77%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Iron Mountain weather stats

Iron Mountain weather statistics
Hottest month: July 26.2°C 79.2°F
Driest month: February 23mm 0.9ins
Sunniest month: July 11.1hrs
Coldest month: January -5.6°C 21.9°F
Wettest month: August 96mm 3.8ins
Warmest sea: August 17.2°C 63°F
Map showing location of Iron Mountain (45.82023, -88.06596) Iron Mountain map pin © Google

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