Fairfield (IA) monthly weather averages

Average daytime temperature

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

Fairfield average temperature chart (Celsius) Fairfield average temperature chart (Fahrenheit)
Average monthly temperatures in Fairfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.1 1.8 8.9 17.1 23.3 28.4 30.7 29 24.7 18.3 9.5 1.2
°F 30 35.2 48.1 62.7 74 83.2 87.2 84.2 76.5 65 49.1 34.2

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.

Fairfield monthly rainfall chart (mm) Fairfield monthly rainfall chart (inches)
Average monthly rainfall in Fairfield (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 30 27 63 87 103 99 126 107 101 73 57 44
inches 1.2 1.1 2.5 3.4 4 3.9 5 4.2 4 2.9 2.2 1.7
Rainy days 8 8 11 11 12 10 9 9 9 8 9 9

Average annual rainfall in Fairfield: 865.466mm (340.7 inches)

Average daily sunshine

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

Fairfield average daily sunshine chart
Average daily sunshine Fairfield
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.6 6.5 6.9 8 9.4 10.7 11 10 8.3 7.3 5 4.6

Day / night temperatures

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

Fairfield average minimum / maximum temperatures (Celsius) Fairfield average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Fairfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.9 -8.3 -1.8 4.9 10.8 16.1 18.5 16.9 12.6 6.4 -0.2 -7.7
Max °C -0.9 2.1 9.2 17.4 23.7 28.8 31 29.3 25 18.6 9.8 1.5
Min °F 12.4 17.2 28.8 40.7 51.4 60.9 65.2 62.4 54.7 43.5 31.7 18.2
Max °F 21.4 26.4 38.7 52 63 72.3 76.5 73.6 65.8 54.5 40.6 26.4

Sea temperature

The graph below shows the average sea temperature.

Fairfield average sea temperature chart (Celsius) Fairfield average sea temperature chart (Fahrenheit)
Average sea temperature around Fairfield in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.4 8.1 8.5 9.7 11.5 13.8 16.9 20.1 18.9 14.9 11.8 9.7
°F 47.2 46.6 47.3 49.4 52.7 56.9 62.4 68.2 66 58.9 53.2 49.4

Wind speed

The graph below shows the average wind speed.

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

Fairfield relative humidity averages
Average relative humidity in Fairfield
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 72% 69% 64% 66% 67% 70% 72% 73% 68% 72% 75%

Other monthly averages

UV index Best time to go?

Fairfield weather stats

Fairfield weather statistics
Hottest month: July 30.7°C 87.3°F
Driest month: February 27mm 1.1ins
Sunniest month: July 11hrs
Coldest month: January -1.1°C 30°F
Wettest month: July 126mm 5ins
Warmest sea: August 20.1°C 68.2°F
Map showing location of Fairfield (41.00863, -91.96267) Fairfield map pin © Google

Locations nearby

Top United States locations