Green Bay (WI) monthly weather averages

Contents

Average daytime temperature

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

Green Bay average temperature chart (Celsius) Green Bay average temperature chart (Fahrenheit)
Average monthly temperatures in Green Bay (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -5 -2.7 3.4 11.8 19.2 24 26.8 25.2 20.5 14 5.6 -2.3
°F 23 27.2 38.1 53.3 66.5 75.2 80.2 77.3 68.9 57.3 42.1 27.9

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.

Green Bay monthly rainfall chart (mm) Green Bay monthly rainfall chart (inches)
Average monthly rainfall in Green Bay (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 30 27 52 62 75 87 82 88 88 58 56 40
inches 1.2 1.1 2 2.4 2.9 3.4 3.2 3.5 3.5 2.3 2.2 1.6
Rainy days 11 9 11 11 10 10 9 10 11 10 10 11

Average annual rainfall in Green Bay: 699.9mm (275.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Green Bay

Green Bay average daily sunshine chart
Average daily sunshine Green Bay
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 6.1 6.9 7.9 9.8 10.8 11 9.7 7.4 5.6 3.9 4

Day / night temperatures

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

Green Bay average minimum / maximum temperatures (Celsius) Green Bay average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Green Bay (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -14.9 -13 -6.5 0.7 6.3 11.7 14.7 13.6 9 3.3 -3.1 -11
Max °C -4.8 -2.4 3.7 12.1 19.5 24.3 27.1 25.5 20.8 14.3 5.9 -2.1
Min °F 5.3 8.6 20.4 33.3 43.3 53.1 58.5 56.4 48.2 37.9 26.5 12.3
Max °F 14.4 18.1 29.5 43.5 55.2 64.4 69.6 67.1 58.8 47.8 34.5 20.3

Sea temperature

The graph below shows the average sea temperature.

Green Bay average sea temperature chart (Celsius) Green Bay average sea temperature chart (Fahrenheit)
Average sea temperature around Green Bay in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.7 3 2.8 3.1 4.6 8.8 15.3 19.6 17.7 12.3 8 5.1
°F 38.6 37.5 37 37.6 40.3 47.9 59.5 67.2 63.8 54.1 46.3 41.2

Wind speed

The graph below shows the average wind speed.

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

Green Bay relative humidity averages
Average relative humidity in Green Bay
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 74% 73% 67% 66% 69% 71% 75% 77% 74% 77% 77%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Green Bay weather stats

Green Bay weather statistics
Hottest month: July 26.8°C 80.2°F
Driest month: February 27mm 1.1ins
Sunniest month: July 11hrs
Coldest month: January -5°C 23°F
Wettest month: August 88mm 3.5ins
Warmest sea: August 19.6°C 67.3°F
Map showing location of Green Bay (44.51916, -88.01983) Green Bay map pin © Google

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