Grundy Center (IA) monthly weather averages

Contents

Average daytime temperature

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

Grundy Center average temperature chart (Celsius) Grundy Center average temperature chart (Fahrenheit)
Average monthly temperatures in Grundy Center (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -3.8 -0.6 6.6 15.1 22.1 27.3 29.5 28 23.5 17 7.7 -1.1
°F 25.2 30.9 43.9 59.3 71.8 81.1 85.1 82.5 74.2 62.6 45.8 30

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.

Grundy Center monthly rainfall chart (mm) Grundy Center monthly rainfall chart (inches)
Average monthly rainfall in Grundy Center (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 22 26 57 85 103 117 114 107 90 64 46 31
inches 0.8 1 2.2 3.4 4.1 4.6 4.5 4.2 3.5 2.5 1.8 1.2
Rainy days 8 7 10 11 11 10 10 9 9 8 8 9

Average annual rainfall in Grundy Center: 810.867mm (319.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Grundy Center

Grundy Center average daily sunshine chart
Average daily sunshine Grundy Center
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.9 7.3 8.3 9.7 10.9 11.2 10.1 8.3 7.2 4.9 4.5

Day / night temperatures

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

Grundy Center average minimum / maximum temperatures (Celsius) Grundy Center average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grundy Center (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -14.5 -11.7 -4.3 2.6 9 14.2 16.8 15.1 10 3.7 -3.2 -11
Max °C -3.5 -0.4 6.9 15.5 22.5 27.6 29.8 28.4 23.8 17.4 8 -0.9
Min °F 5.9 11 24.4 36.6 48.1 57.6 62.2 59.1 50 38.6 26.3 12.3
Max °F 15.8 21.2 34.3 48.2 60.3 69.6 73.9 71.1 62.4 50.9 36.3 21.4

Sea temperature

The graph below shows the average sea temperature.

Grundy Center average sea temperature chart (Celsius) Grundy Center average sea temperature chart (Fahrenheit)
Average sea temperature around Grundy Center 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.

Grundy Center average winspeed by month (km/h) Grundy Center average winspeed by month (mph)
Average wind speed in Grundy Center (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 20 22 22 19 18 15 15 16 18 19 19
mph 13 12 14 14 12 11 9 9 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.

Grundy Center relative humidity averages
Average relative humidity in Grundy Center
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 73% 72% 65% 65% 67% 71% 73% 73% 69% 74% 77%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Grundy Center weather stats

Grundy Center weather statistics
Hottest month: July 29.5°C 85.1°F
Driest month: January 22mm 0.9ins
Sunniest month: July 11.2hrs
Coldest month: January -3.8°C 25.2°F
Wettest month: June 117mm 4.6ins
Warmest sea: August 19.3°C 66.7°F
Map showing location of Grundy Center (42.36165, -92.76853) Grundy Center map pin © Google

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