Lombard (IL) monthly weather averages

Average daytime temperature

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

Lombard average temperature chart (Celsius) Lombard average temperature chart (Fahrenheit)
Average monthly temperatures in Lombard (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.2 0.4 7.2 14.6 21.1 26.4 28.5 27.4 23.4 17 8.6 0.7
°F 28.1 32.8 45 58.3 70 79.6 83.2 81.3 74.1 62.6 47.5 33.3

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.

Lombard monthly rainfall chart (mm) Lombard monthly rainfall chart (inches)
Average monthly rainfall in Lombard (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 36 70 102 88 102 105 97 93 64 71 66
inches 1.7 1.4 2.7 4 3.5 4 4.1 3.8 3.6 2.5 2.8 2.6
Rainy days 11 9 12 13 11 10 10 9 9 9 11 12

Average annual rainfall in Lombard: 890.334mm (350.5 inches)

Average daily sunshine

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

Lombard average daily sunshine chart
Average daily sunshine Lombard
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 5.5 6.5 7.7 9.6 11 11 9.8 8.1 6.8 4.2 3.9

Day / night temperatures

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

Lombard average minimum / maximum temperatures (Celsius) Lombard average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Lombard (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.3 -8.9 -2.5 3.3 8.6 14.1 16.9 16 11.7 5.3 -0.7 -7.7
Max °C -2 0.7 7.5 14.9 21.4 26.8 28.8 27.7 23.7 17.3 8.9 0.9
Min °F 11.8 16.1 27.6 37.9 47.5 57.3 62.3 60.7 53.1 41.5 30.8 18.1
Max °F 20.1 24.6 36.5 48.4 59 68.7 73 71.2 63.9 52.3 39.4 25.9

Sea temperature

The graph below shows the average sea temperature.

Lombard average sea temperature chart (Celsius) Lombard average sea temperature chart (Fahrenheit)
Average sea temperature around Lombard in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.7 5 5.1 6 8.1 12.5 18.1 21.2 19.4 14.3 10 7.2
°F 42.2 41.1 41.1 42.8 46.6 54.5 64.6 70.2 66.8 57.7 50.1 45

Wind speed

The graph below shows the average wind speed.

Lombard average winspeed by month (km/h) Lombard average winspeed by month (mph)
Average wind speed in Lombard (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 15 17 19 19
mph 12 12 13 13 11 10 9 9 9 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.

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

Other monthly averages

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Lombard weather stats

Lombard weather statistics
Hottest month: July 28.5°C 83.3°F
Driest month: February 36mm 1.4ins
Sunniest month: July 11hrs
Coldest month: January -2.2°C 28°F
Wettest month: July 105mm 4.1ins
Warmest sea: August 21.2°C 70.2°F
Map showing location of Lombard (41.88003, -88.00784) Lombard map pin © Google

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