Bloomington (IL) monthly weather averages

Contents

Average daytime temperature

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

Bloomington average temperature chart (Celsius) Bloomington average temperature chart (Fahrenheit)
Average monthly temperatures in Bloomington (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.9 1.8 8.9 16.8 23 28.4 29.9 28.6 25.2 18.4 10 1.9
°F 30.4 35.3 48.1 62.2 73.4 83.1 85.9 83.5 77.4 65.2 49.9 35.4

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.

Bloomington monthly rainfall chart (mm) Bloomington monthly rainfall chart (inches)
Average monthly rainfall in Bloomington (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 45 43 76 98 102 99 109 87 87 71 72 64
inches 1.8 1.7 3 3.8 4 3.9 4.3 3.4 3.4 2.8 2.8 2.5
Rainy days 10 9 12 12 11 9 9 9 9 8 10 11

Average annual rainfall in Bloomington: 903.6mm (355.7 inches)

Average daily sunshine

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

Bloomington average daily sunshine chart
Average daily sunshine Bloomington
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.3 5.9 6.5 7.9 9.5 11 10.9 9.9 8.5 7.2 4.7 4.3

Day / night temperatures

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

Bloomington average minimum / maximum temperatures (Celsius) Bloomington average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bloomington (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.2 -7.9 -1.6 4.5 10.1 15.3 17.6 16.1 12.1 5.7 -0.2 -6.7
Max °C -0.7 2.1 9.2 17.1 23.3 28.7 30.3 28.9 25.6 18.8 10.2 2.1
Min °F 13.7 17.9 29.1 40.1 50.2 59.5 63.6 61 53.7 42.2 31.6 19.9
Max °F 22.3 26.8 38.8 51.4 62.1 71.6 75 72.5 65.8 54 41 27.9

Sea temperature

The graph below shows the average sea temperature.

Bloomington average sea temperature chart (Celsius) Bloomington average sea temperature chart (Fahrenheit)
Average sea temperature around Bloomington 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.

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

Bloomington relative humidity averages
Average relative humidity in Bloomington
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 74% 71% 65% 66% 67% 71% 74% 73% 69% 74% 78%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Bloomington weather stats

Bloomington weather statistics
Hottest month: July 29.9°C 85.8°F
Driest month: February 43mm 1.7ins
Sunniest month: July 10.9hrs
Coldest month: January -0.9°C 30.4°F
Wettest month: July 109mm 4.3ins
Warmest sea: August 21.7°C 71.1°F
Map showing location of Bloomington (40.4842, -88.99369) Bloomington map pin © Google

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