Schaumburg (IL) monthly weather averages

Average daytime temperature

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

Schaumburg average temperature chart (Celsius) Schaumburg average temperature chart (Fahrenheit)
Average monthly temperatures in Schaumburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.3 0.2 6.9 14.1 20.7 26.2 28.3 27.2 23.1 16.8 8.5 0.6
°F 27.8 32.4 44.4 57.4 69.3 79.2 82.9 80.9 73.6 62.2 47.3 33.2

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.

Schaumburg monthly rainfall chart (mm) Schaumburg monthly rainfall chart (inches)
Average monthly rainfall in Schaumburg (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 36 69 100 86 101 104 97 92 64 69 64
inches 1.7 1.4 2.7 3.9 3.4 4 4.1 3.8 3.6 2.5 2.7 2.5
Rainy days 11 9 12 13 11 10 10 10 10 9 11 12

Average annual rainfall in Schaumburg: 877.8mm (345.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Schaumburg

Schaumburg average daily sunshine chart
Average daily sunshine Schaumburg
  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 8.1 6.7 4.2 3.9

Day / night temperatures

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

Schaumburg average minimum / maximum temperatures (Celsius) Schaumburg average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Schaumburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.5 -9.1 -2.7 3 8.4 13.9 16.9 16 11.6 5.4 -0.8 -7.9
Max °C -2.1 0.5 7.1 14.4 21.1 26.5 28.6 27.5 23.4 17.1 8.8 0.9
Min °F 11.3 15.7 27.1 37.4 47 57 62.3 60.7 52.9 41.6 30.7 17.9
Max °F 19.8 24.3 36 47.7 58.5 68.4 72.9 71.1 63.5 52.2 39.2 25.7

Sea temperature

The graph below shows the average sea temperature.

Schaumburg average sea temperature chart (Celsius) Schaumburg average sea temperature chart (Fahrenheit)
Average sea temperature around Schaumburg in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.3 3.6 3.5 4.3 6.5 11.7 18.2 21.2 19.2 13.8 9.1 5.9
°F 39.8 38.5 38.3 39.8 43.7 53.1 64.8 70.2 66.5 56.8 48.4 42.6

Wind speed

The graph below shows the average wind speed.

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

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

Other monthly averages

UV index Best time to go?

Schaumburg weather stats

Schaumburg weather statistics
Hottest month: July 28.3°C 82.9°F
Driest month: February 36mm 1.4ins
Sunniest month: July 11hrs
Coldest month: January -2.3°C 27.9°F
Wettest month: July 104mm 4.1ins
Warmest sea: August 21.2°C 70.2°F
Map showing location of Schaumburg (42.03336, -88.08341) Schaumburg map pin © Google

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