Storm Lake (IA) monthly weather averages

Contents

Average daytime temperature

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

Storm Lake average temperature chart (Celsius) Storm Lake average temperature chart (Fahrenheit)
Average monthly temperatures in Storm Lake (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.3 -1.3 5.6 14.4 21.3 26.5 28.8 27.2 22.6 16.5 6.8 -1.9
°F 24.3 29.7 42 58 70.4 79.7 83.8 80.9 72.7 61.7 44.3 28.6

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.

Storm Lake monthly rainfall chart (mm) Storm Lake monthly rainfall chart (inches)
Average monthly rainfall in Storm Lake (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 15 17 50 75 103 119 106 107 89 56 33 20
inches 0.6 0.7 2 3 4 4.7 4.2 4.2 3.5 2.2 1.3 0.8
Rainy days 7 7 9 10 12 11 10 9 9 7 7 8

Average annual rainfall in Storm Lake: 736.933mm (290.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Storm Lake

Storm Lake average daily sunshine chart
Average daily sunshine Storm Lake
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.9 6.4 7.3 8.2 9.5 11.1 11.5 10.2 8.5 7.2 5.1 4.7

Day / night temperatures

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

Storm Lake average minimum / maximum temperatures (Celsius) Storm Lake average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Storm Lake (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15.2 -12.6 -5.9 0.9 7.6 13.2 15.9 14.3 9.1 3 -4.3 -12.2
Max °C -4 -1 5.9 14.8 21.7 26.8 29.1 27.5 23 16.9 7.1 -1.7
Min °F 4.6 9.3 21.5 33.5 45.6 55.8 60.6 57.7 48.3 37.3 24.3 10.1
Max °F 14.7 19.8 32 46 58.3 68 72.5 69.6 60.8 49.8 34.5 19.6

Sea temperature

The graph below shows the average sea temperature.

Storm Lake average sea temperature chart (Celsius) Storm Lake average sea temperature chart (Fahrenheit)
Average sea temperature around Storm Lake in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.6 8.4 8.9 9.9 11.6 13.8 16.4 19.1 18 14.6 11.6 9.7
°F 47.6 47.1 47.9 49.9 52.9 56.9 61.6 66.4 64.4 58.3 52.9 49.4

Wind speed

The graph below shows the average wind speed.

Storm Lake average winspeed by month (km/h) Storm Lake average winspeed by month (mph)
Average wind speed in Storm Lake (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 22 22 19 18 16 16 17 18 19 19
mph 12 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.

Storm Lake relative humidity averages
Average relative humidity in Storm Lake
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 72% 69% 63% 63% 66% 68% 71% 72% 67% 72% 76%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Storm Lake weather stats

Storm Lake weather statistics
Hottest month: July 28.8°C 83.8°F
Driest month: January 15mm 0.6ins
Sunniest month: July 11.5hrs
Coldest month: January -4.3°C 24.3°F
Wettest month: June 119mm 4.7ins
Warmest sea: August 19.1°C 66.4°F
Map showing location of Storm Lake (42.64109, -95.20972) Storm Lake map pin © Google

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