Hennepin (IL) monthly weather averages

Average daytime temperature

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

Hennepin average temperature chart (Celsius) Hennepin average temperature chart (Fahrenheit)
Average monthly temperatures in Hennepin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.9 0.8 8.1 16.2 22.5 27.9 29.6 28.4 24.7 18 9.2 0.9
°F 28.5 33.5 46.5 61.1 72.5 82.3 85.3 83.1 76.4 64.4 48.6 33.6

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.

Hennepin monthly rainfall chart (mm) Hennepin monthly rainfall chart (inches)
Average monthly rainfall in Hennepin (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 36 33 71 97 98 101 98 94 95 66 65 53
inches 1.4 1.3 2.8 3.8 3.9 4 3.9 3.7 3.8 2.6 2.6 2.1
Rainy days 10 8 11 12 11 9 9 9 9 9 10 11

Average annual rainfall in Hennepin: 859.133mm (338.2 inches)

Average daily sunshine

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

Hennepin average daily sunshine chart
Average daily sunshine Hennepin
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 6 6.5 7.8 9.4 10.9 10.8 9.7 8.3 7 4.6 4.2

Day / night temperatures

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

Hennepin average minimum / maximum temperatures (Celsius) Hennepin average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hennepin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.5 -9.1 -2.1 4.2 10 15.4 17.7 16.3 12 5.5 -0.7 -7.9
Max °C -1.7 1.1 8.3 16.5 22.8 28.3 29.9 28.7 25 18.3 9.5 1.1
Min °F 11.3 15.7 28.2 39.5 50 59.6 63.9 61.3 53.6 41.9 30.8 17.8
Max °F 20.1 24.8 37.6 50.5 61.5 71.2 74.8 72.5 65.3 53.4 39.9 25.9

Sea temperature

The graph below shows the average sea temperature.

Hennepin average sea temperature chart (Celsius) Hennepin average sea temperature chart (Fahrenheit)
Average sea temperature around Hennepin in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 6.5 6.6 7.6 9.4 12.4 16.7 20.5 18.8 14.1 10.6 8.3
°F 44.5 43.6 43.9 45.6 48.9 54.3 62.1 68.9 65.9 57.4 51.1 47

Wind speed

The graph below shows the average wind speed.

Hennepin average winspeed by month (km/h) Hennepin average winspeed by month (mph)
Average wind speed in Hennepin (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 18
mph 12 12 13 13 11 10 9 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.

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

Other monthly averages

UV index Best time to go?

Hennepin weather stats

Hennepin weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: February 33mm 1.3ins
Sunniest month: July 10.8hrs
Coldest month: January -1.9°C 28.6°F
Wettest month: June 101mm 4ins
Warmest sea: August 20.5°C 68.9°F
Map showing location of Hennepin (41.2542, -89.34231) Hennepin map pin © Google

Locations nearby

Top United States locations