Onawa (IA) monthly weather averages

Contents

Average daytime temperature

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

Onawa average temperature chart (Celsius) Onawa average temperature chart (Fahrenheit)
Average monthly temperatures in Onawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.3 1.1 7.6 16.5 22.9 28 30.3 28.5 23.9 17.8 8.2 -0.4
°F 27.9 33.9 45.7 61.6 73.2 82.5 86.6 83.4 75.1 64 46.8 31.3

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.

Onawa monthly rainfall chart (mm) Onawa monthly rainfall chart (inches)
Average monthly rainfall in Onawa (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 16 20 51 67 100 103 87 86 77 51 30 21
inches 0.6 0.8 2 2.6 3.9 4 3.4 3.4 3 2 1.2 0.8
Rainy days 7 6 9 10 11 10 9 9 9 7 6 7

Average annual rainfall in Onawa: 653.8mm (257.4 inches)

Average daily sunshine

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

Onawa average daily sunshine chart
Average daily sunshine Onawa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 6.3 7.3 8.3 9.5 11.2 11.5 10.2 8.6 7.4 5.4 4.9

Day / night temperatures

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

Onawa average minimum / maximum temperatures (Celsius) Onawa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Onawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -13.4 -10.2 -3.9 3 9.6 14.9 17.6 15.8 10.6 3.9 -3.1 -10.7
Max °C -2 1.4 7.9 16.8 23.2 28.4 30.7 28.9 24.3 18.1 8.5 -0.2
Min °F 7.9 13.7 25 37.4 49.3 58.7 63.6 60.4 51 39 26.4 12.8
Max °F 18.1 24.1 35.6 49.8 61.5 70.9 75.4 72.1 63.3 51.8 36.9 22.3

Sea temperature

The graph below shows the average sea temperature.

Onawa average sea temperature chart (Celsius) Onawa average sea temperature chart (Fahrenheit)
Average sea temperature around Onawa in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.7 8.5 8.9 10 11.6 13.8 16.3 19 17.8 14.5 11.6 9.7
°F 47.7 47.2 48 49.9 52.9 56.8 61.4 66.1 64.1 58.2 52.9 49.5

Wind speed

The graph below shows the average wind speed.

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

Onawa relative humidity averages
Average relative humidity in Onawa
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 72% 69% 62% 63% 66% 68% 71% 71% 67% 72% 75%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Onawa weather stats

Onawa weather statistics
Hottest month: July 30.3°C 86.5°F
Driest month: January 16mm 0.6ins
Sunniest month: July 11.5hrs
Coldest month: January -2.3°C 27.9°F
Wettest month: June 103mm 4.1ins
Warmest sea: August 19°C 66.2°F
Map showing location of Onawa (42.02665, -96.09724) Onawa map pin © Google

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