Allison (IA) monthly weather averages

Contents

Average daytime temperature

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

Allison average temperature chart (Celsius) Allison average temperature chart (Fahrenheit)
Average monthly temperatures in Allison (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.2 -1.1 6 14.9 22 27.3 29.2 27.9 23.2 16.7 7.1 -1.6
°F 24.5 30 42.9 58.9 71.6 81.1 84.6 82.3 73.8 62 44.9 29.1

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.

Allison monthly rainfall chart (mm) Allison monthly rainfall chart (inches)
Average monthly rainfall in Allison (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 21 25 56 85 103 116 113 100 92 65 45 31
inches 0.8 1 2.2 3.3 4.1 4.6 4.4 3.9 3.6 2.6 1.8 1.2
Rainy days 8 7 10 11 11 11 10 9 9 8 8 9

Average annual rainfall in Allison: 799.7mm (314.8 inches)

Average daily sunshine

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

Allison average daily sunshine chart
Average daily sunshine Allison
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 7 7.4 8.4 9.7 10.8 11.2 10 8.2 7.1 4.8 4.5

Day / night temperatures

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

Allison average minimum / maximum temperatures (Celsius) Allison average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Allison (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -14.7 -11.8 -4.3 2.6 8.9 14.2 16.7 15 10.1 3.8 -3.2 -11.2
Max °C -3.9 -0.9 6.3 15.3 22.3 27.6 29.6 28.3 23.6 17 7.4 -1.4
Min °F 5.5 10.9 24.3 36.6 48 57.6 62 58.9 50.1 38.8 26.2 11.8
Max °F 15.3 20.7 33.8 48 60.1 69.6 73.6 70.9 62.2 50.7 35.8 20.7

Sea temperature

The graph below shows the average sea temperature.

Allison average sea temperature chart (Celsius) Allison average sea temperature chart (Fahrenheit)
Average sea temperature around Allison in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 7.9 8.4 9.6 11.3 13.6 16.3 19.3 18.2 14.6 11.4 9.4
°F 46.8 46.3 47.2 49.2 52.4 56.4 61.3 66.8 64.8 58.2 52.6 48.9

Wind speed

The graph below shows the average wind speed.

Allison average winspeed by month (km/h) Allison average winspeed by month (mph)
Average wind speed in Allison (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 20 22 22 19 18 16 16 17 18 20 19
mph 13 12 14 14 12 11 10 10 10 11 12 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.

Allison relative humidity averages
Average relative humidity in Allison
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 74% 72% 66% 65% 68% 71% 73% 74% 70% 75% 77%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Allison weather stats

Allison weather statistics
Hottest month: July 29.2°C 84.6°F
Driest month: January 21mm 0.8ins
Sunniest month: July 11.2hrs
Coldest month: January -4.2°C 24.4°F
Wettest month: June 116mm 4.6ins
Warmest sea: August 19.3°C 66.7°F
Map showing location of Allison (42.75275, -92.79519) Allison map pin © Google

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