Dubuque (IA) monthly weather averages

Contents

Average daytime temperature

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

Dubuque average temperature chart (Celsius) Dubuque average temperature chart (Fahrenheit)
Average monthly temperatures in Dubuque (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.2 -1 6 14.3 20.7 25.9 28.2 26.9 22.2 16 7 -1.4
°F 24.4 30.1 42.7 57.7 69.3 78.6 82.7 80.4 72 60.8 44.6 29.5

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.

Dubuque monthly rainfall chart (mm) Dubuque monthly rainfall chart (inches)
Average monthly rainfall in Dubuque (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 28 30 63 86 98 106 102 113 106 65 61 43
inches 1.1 1.2 2.5 3.4 3.8 4.2 4 4.4 4.2 2.6 2.4 1.7
Rainy days 9 8 10 12 11 10 10 9 9 9 9 10

Average annual rainfall in Dubuque: 851.7mm (335.3 inches)

Average daily sunshine

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

Dubuque average daily sunshine chart
Average daily sunshine Dubuque
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.5 7.5 7.7 8.5 10.6 11.2 11.1 10.4 8.3 7.4 5 4.7

Day / night temperatures

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

Dubuque average minimum / maximum temperatures (Celsius) Dubuque average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dubuque (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -13.8 -11 -4 2.7 8.6 13.6 16.4 15.1 10.5 4.5 -2.5 -10.2
Max °C -4 -0.8 6.2 14.6 21 26.2 28.5 27.2 22.5 16.3 7.3 -1.2
Min °F 7.2 12.2 24.8 36.8 47.5 56.5 61.4 59.1 50.9 40.1 27.6 13.6
Max °F 16 21.4 34 47.5 58.6 67.8 72.3 70 61.7 50.7 36.3 21.7

Sea temperature

The graph below shows the average sea temperature.

Dubuque average sea temperature chart (Celsius) Dubuque average sea temperature chart (Fahrenheit)
Average sea temperature around Dubuque in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.9 6.5 6.7 7.6 9.2 11.6 15.4 19.4 18 13.5 10.2 8.1
°F 44.4 43.6 44 45.6 48.5 52.9 59.8 67 64.3 56.2 50.4 46.6

Wind speed

The graph below shows the average wind speed.

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

Dubuque relative humidity averages
Average relative humidity in Dubuque
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 72% 70% 65% 65% 68% 72% 74% 75% 70% 74% 77%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Dubuque weather stats

Dubuque weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: January 28mm 1.1ins
Sunniest month: August 10.4hrs
Coldest month: January -4.2°C 24.4°F
Wettest month: August 113mm 4.4ins
Warmest sea: August 19.4°C 66.9°F
Map showing location of Dubuque (42.50056, -90.66457) Dubuque map pin © Google

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