North Chicago (IL) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at North Chicago

North Chicago average temperature chart (Celsius) North Chicago average temperature chart (Fahrenheit)
Average monthly temperatures in North Chicago (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.1 0.4 6.6 13.6 20.2 25.7 27.9 26.9 23 16.5 8.4 0.9
°F 28.3 32.7 43.9 56.5 68.3 78.3 82.2 80.5 73.4 61.7 47.2 33.6

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.

North Chicago monthly rainfall chart (mm) North Chicago monthly rainfall chart (inches)
Average monthly rainfall in North Chicago (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 44 36 67 96 84 97 101 92 88 64 68 61
inches 1.7 1.4 2.6 3.8 3.3 3.8 4 3.6 3.5 2.5 2.7 2.4
Rainy days 11 10 12 13 11 10 10 9 10 9 11 12

Average annual rainfall in North Chicago: 852.533mm (335.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in North Chicago

North Chicago average daily sunshine chart
Average daily sunshine North Chicago
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.9 5.5 6.5 7.7 9.6 11 11 9.8 8 6.6 4.2 3.8

Day / night temperatures

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

North Chicago average minimum / maximum temperatures (Celsius) North Chicago average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in North Chicago (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.2 -8.8 -2.7 3 8.4 13.8 17.1 16.4 12.2 5.9 -0.5 -7.5
Max °C -1.9 0.6 6.9 13.9 20.5 26 28.2 27.2 23.3 16.8 8.7 1.1
Min °F 11.9 16.2 27.2 37.3 47 56.8 62.7 61.5 53.9 42.5 31.2 18.5
Max °F 20.3 24.6 35.8 47.1 57.9 67.8 72.7 71.2 63.9 52.3 39.4 26.2

Sea temperature

The graph below shows the average sea temperature.

North Chicago average sea temperature chart (Celsius) North Chicago average sea temperature chart (Fahrenheit)
Average sea temperature around North Chicago in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.6 2.8 2.7 3.6 6 12.1 19.3 21.8 19.6 14 8.9 5.3
°F 38.6 37.1 36.8 38.4 42.8 53.8 66.8 71.3 67.3 57.2 48 41.6

Wind speed

The graph below shows the average wind speed.

North Chicago average winspeed by month (km/h) North Chicago average winspeed by month (mph)
Average wind speed in North Chicago (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 21 21 18 16 15 14 16 17 19 19
mph 13 12 13 13 11 10 9 9 10 11 12 12

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.

North Chicago relative humidity averages
Average relative humidity in North Chicago
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 72% 70% 66% 65% 67% 70% 73% 73% 71% 74% 77%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

North Chicago weather stats

North Chicago weather statistics
Hottest month: July 27.9°C 82.2°F
Driest month: February 36mm 1.4ins
Sunniest month: July 11hrs
Coldest month: January -2.1°C 28.2°F
Wettest month: July 101mm 4ins
Warmest sea: August 21.8°C 71.2°F
Map showing location of North Chicago (42.32558, -87.84118) North Chicago map pin © Google

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