Macomb (IL) monthly weather averages

Contents

Average daytime temperature

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

Macomb average temperature chart (Celsius) Macomb average temperature chart (Fahrenheit)
Average monthly temperatures in Macomb (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.5 2.3 9.4 17.2 22.9 28 30.3 28.9 25.1 18.7 10.2 2.1
°F 31.2 36.1 48.9 62.9 73.3 82.4 86.6 84 77.1 65.6 50.3 35.8

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.

Macomb monthly rainfall chart (mm) Macomb monthly rainfall chart (inches)
Average monthly rainfall in Macomb (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 38 38 78 100 106 105 110 96 107 79 68 58
inches 1.5 1.5 3.1 3.9 4.2 4.1 4.3 3.8 4.2 3.1 2.7 2.3
Rainy days 9 8 11 11 11 9 9 9 9 9 9 10

Average annual rainfall in Macomb: 932.167mm (367 inches)

Average daily sunshine

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

Macomb average daily sunshine chart
Average daily sunshine Macomb
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.5 6.1 6.5 7.9 9.2 10.6 10.7 9.7 8.3 7.2 4.9 4.5

Day / night temperatures

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

Macomb average minimum / maximum temperatures (Celsius) Macomb average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Macomb (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.8 -8.6 -1.9 5 10.4 15.5 18 16.4 12 5.8 -0.7 -7.4
Max °C -0.2 2.6 9.7 17.5 23.3 28.3 30.7 29.2 25.4 19 10.5 2.4
Min °F 12.6 16.6 28.7 40.9 50.6 59.9 64.3 61.5 53.6 42.4 30.8 18.8
Max °F 22.1 26.6 39 52.2 62.2 71.4 75.7 73 65.7 54.3 40.8 27.5

Sea temperature

The graph below shows the average sea temperature.

Macomb average sea temperature chart (Celsius) Macomb average sea temperature chart (Fahrenheit)
Average sea temperature around Macomb in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.6 8.2 8.5 9.7 11.6 14.1 17.5 21 19.6 15.3 12 9.9
°F 47.4 46.7 47.4 49.4 52.8 57.4 63.6 69.8 67.2 59.5 53.7 49.8

Wind speed

The graph below shows the average wind speed.

Macomb average winspeed by month (km/h) Macomb average winspeed by month (mph)
Average wind speed in Macomb (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 21 21 17 16 14 13 14 17 18 19
mph 12 12 13 13 11 10 9 8 9 10 11 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.

Macomb relative humidity averages
Average relative humidity in Macomb
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 72% 69% 64% 66% 67% 71% 73% 72% 69% 73% 76%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Macomb weather stats

Macomb weather statistics
Hottest month: July 30.3°C 86.5°F
Driest month: February 38mm 1.5ins
Sunniest month: July 10.7hrs
Coldest month: January -0.5°C 31.1°F
Wettest month: July 110mm 4.3ins
Warmest sea: August 21°C 69.8°F
Map showing location of Macomb (40.45921, -90.6718) Macomb map pin © Google

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