Greenfield (IA) monthly weather averages

Contents

Average daytime temperature

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

Greenfield average temperature chart (Celsius) Greenfield average temperature chart (Fahrenheit)
Average monthly temperatures in Greenfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.1 1.1 8.2 16 22.2 27.3 29.7 28.3 23.7 17.5 8.6 0.2
°F 28.3 34 46.7 60.9 72 81.1 85.5 82.9 74.7 63.6 47.4 32.3

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.

Greenfield monthly rainfall chart (mm) Greenfield monthly rainfall chart (inches)
Average monthly rainfall in Greenfield (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 21 24 57 82 107 118 113 111 100 68 47 30
inches 0.8 0.9 2.2 3.2 4.2 4.6 4.5 4.4 3.9 2.7 1.8 1.2
Rainy days 7 7 10 11 12 10 9 9 9 8 7 8

Average annual rainfall in Greenfield: 824.533mm (324.6 inches)

Average daily sunshine

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

Greenfield average daily sunshine chart
Average daily sunshine Greenfield
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.9 6.3 7.2 8.2 9.5 11 11.5 10.2 8.6 7.4 5.2 4.8

Day / night temperatures

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

Greenfield average minimum / maximum temperatures (Celsius) Greenfield average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Greenfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -12.8 -10.2 -3.5 3.3 9.9 15.1 17.8 16.1 11.2 4.6 -2.5 -9.8
Max °C -1.8 1.4 8.5 16.4 22.6 27.6 30 28.6 24.1 17.9 8.9 0.4
Min °F 9 13.6 25.8 37.9 49.7 59.1 64 60.9 52.1 40.2 27.6 14.4
Max °F 18.9 24.1 36.5 49.6 61.2 70.3 75 72.1 63.7 52.2 37.8 23.5

Sea temperature

The graph below shows the average sea temperature.

Greenfield average sea temperature chart (Celsius) Greenfield average sea temperature chart (Fahrenheit)
Average sea temperature around Greenfield in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.2 8.9 9.4 10.6 12.4 14.7 17.3 20 18.8 15.3 12.3 10.3
°F 48.6 48.1 49 51.1 54.4 58.5 63.2 67.9 65.8 59.6 54.2 50.6

Wind speed

The graph below shows the average wind speed.

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

Greenfield relative humidity averages
Average relative humidity in Greenfield
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 71% 68% 63% 64% 66% 68% 71% 72% 67% 71% 74%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Greenfield weather stats

Greenfield weather statistics
Hottest month: July 29.7°C 85.5°F
Driest month: January 21mm 0.8ins
Sunniest month: July 11.5hrs
Coldest month: January -2.1°C 28.2°F
Wettest month: June 118mm 4.6ins
Warmest sea: August 20°C 68°F
Map showing location of Greenfield (41.30527, -94.46135) Greenfield map pin © Google

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