Champaign (IL) monthly weather averages

Average daytime temperature

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

Champaign average temperature chart (Celsius) Champaign average temperature chart (Fahrenheit)
Average monthly temperatures in Champaign (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.4 2.2 9.2 16.8 23 28.1 29.4 28.2 25.2 18.2 10.1 2.4
°F 31.3 36 48.5 62.2 73.3 82.5 85 82.7 77.4 64.8 50.1 36.3

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.

Champaign monthly rainfall chart (mm) Champaign monthly rainfall chart (inches)
Average monthly rainfall in Champaign (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 49 49 81 100 101 102 113 97 82 69 79 72
inches 1.9 1.9 3.2 3.9 4 4 4.5 3.8 3.2 2.7 3.1 2.8
Rainy days 10 9 12 12 11 9 9 9 9 8 10 12

Average annual rainfall in Champaign: 944.733mm (371.9 inches)

Average daily sunshine

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

Champaign average daily sunshine chart
Average daily sunshine Champaign
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 5.8 6.5 7.9 9.6 11 10.9 10 8.6 7.3 4.7 4.2

Day / night temperatures

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

Champaign average minimum / maximum temperatures (Celsius) Champaign average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Champaign (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.1 -6.7 -0.6 5.2 11 15.9 18.1 16.8 12.9 6.5 0.9 -5.6
Max °C -0.1 2.5 9.4 17.1 23.3 28.4 29.7 28.5 25.5 18.5 10.3 2.6
Min °F 15.7 20 30.9 41.3 51.7 60.5 64.6 62.2 55.2 43.7 33.6 21.9
Max °F 23.7 28.2 39.9 52 62.8 71.8 75 72.7 66.6 54.5 42.1 29.3

Sea temperature

The graph below shows the average sea temperature.

Champaign average sea temperature chart (Celsius) Champaign average sea temperature chart (Fahrenheit)
Average sea temperature around Champaign in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.4 6.8 6.9 8 10.2 13.9 18.6 21.7 20 15.2 11.4 8.8
°F 45.2 44.2 44.5 46.4 50.3 57.1 65.5 71 68 59.4 52.5 47.9

Wind speed

The graph below shows the average wind speed.

Champaign average winspeed by month (km/h) Champaign average winspeed by month (mph)
Average wind speed in Champaign (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 20 20 17 15 13 13 14 16 18 18
mph 12 12 13 12 11 9 8 8 9 10 11 11

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.

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

Other monthly averages

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Champaign weather stats

Champaign weather statistics
Hottest month: July 29.4°C 84.9°F
Driest month: February 49mm 1.9ins
Sunniest month: July 10.9hrs
Coldest month: January -0.4°C 31.3°F
Wettest month: July 113mm 4.4ins
Warmest sea: August 21.7°C 71.1°F
Map showing location of Champaign (40.11642, -88.24338) Champaign map pin © Google

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