West Union (IA) monthly weather averages

Average daytime temperature

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

West Union average temperature chart (Celsius) West Union average temperature chart (Fahrenheit)
Average monthly temperatures in West Union (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.7 -1.3 5.7 14.6 21.4 26.3 28.5 27.2 22.5 16.1 6.5 -2.1
°F 23.5 29.6 42.3 58.3 70.5 79.4 83.4 80.9 72.6 61 43.6 28.3

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.

West Union monthly rainfall chart (mm) West Union monthly rainfall chart (inches)
Average monthly rainfall in West Union (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 25 27 55 86 106 113 111 109 93 63 50 35
inches 1 1.1 2.1 3.4 4.2 4.4 4.4 4.3 3.6 2.5 2 1.4
Rainy days 8 7 10 11 11 11 10 9 10 8 8 9

Average annual rainfall in West Union: 822.967mm (324 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in West Union

West Union average daily sunshine chart
Average daily sunshine West Union
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 7.4 7.5 8.5 10.1 10.8 11 10 8.1 7.2 4.8 4.5

Day / night temperatures

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

West Union average minimum / maximum temperatures (Celsius) West Union average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in West Union (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15 -12.2 -5 1.7 8.1 13 15.6 14.1 9.6 3.4 -3.5 -11.4
Max °C -4.5 -1.1 6 14.9 21.7 26.7 28.9 27.5 22.9 16.4 6.7 -1.9
Min °F 5.1 10.1 23 35.1 46.6 55.3 60 57.4 49.2 38.1 25.7 11.6
Max °F 14.5 20.1 32.9 46.9 58.8 67.6 72 69.4 61.2 49.8 34.9 20.1

Sea temperature

The graph below shows the average sea temperature.

West Union average sea temperature chart (Celsius) West Union average sea temperature chart (Fahrenheit)
Average sea temperature around West Union in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.7 7.4 7.7 8.8 10.5 12.8 15.9 19.4 18.1 14.1 11 8.9
°F 45.8 45.2 45.9 47.8 50.9 55 60.6 66.8 64.6 57.4 51.7 48

Wind speed

The graph below shows the average wind speed.

West Union average winspeed by month (km/h) West Union average winspeed by month (mph)
Average wind speed in West Union (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 20 21 18 17 15 14 16 18 19 18
mph 12 12 13 13 11 11 9 9 10 11 12 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.

West Union relative humidity averages
Average relative humidity in West Union
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 73% 72% 66% 66% 69% 72% 75% 75% 71% 75% 77%

Other monthly averages

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West Union weather stats

West Union weather statistics
Hottest month: July 28.5°C 83.3°F
Driest month: January 25mm 1ins
Sunniest month: July 11hrs
Coldest month: January -4.7°C 23.5°F
Wettest month: June 113mm 4.4ins
Warmest sea: August 19.4°C 66.9°F
Map showing location of West Union (42.96276, -91.80822) West Union map pin © Google

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