Wentzville (MO) monthly weather averages

Contents

Average daytime temperature

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

Wentzville average temperature chart (Celsius) Wentzville average temperature chart (Fahrenheit)
Average monthly temperatures in Wentzville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.7 5.2 11.8 18.8 23.7 28.4 31.2 30.2 26.1 19.9 12.2 5
°F 36.8 41.4 53.2 65.9 74.6 83.2 88.1 86.4 78.9 67.8 53.9 40.9

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.

Wentzville monthly rainfall chart (mm) Wentzville monthly rainfall chart (inches)
Average monthly rainfall in Wentzville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 49 86 98 107 97 91 78 90 72 78 67
inches 1.7 1.9 3.4 3.8 4.2 3.8 3.6 3.1 3.5 2.8 3.1 2.6
Rainy days 8 9 11 11 11 9 8 8 8 9 9 10

Average annual rainfall in Wentzville: 902.433mm (355.3 inches)

Average daily sunshine

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

Wentzville average daily sunshine chart
Average daily sunshine Wentzville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.1 6.8 8 9.2 10.5 10.7 9.6 8.4 7.4 5.3 4.8

Day / night temperatures

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

Wentzville average minimum / maximum temperatures (Celsius) Wentzville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Wentzville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8 -5.7 0.4 6.9 11.7 16.9 19.4 18.1 13.9 7.4 1.2 -5
Max °C 3 5.5 12.1 19.1 24 28.7 31.5 30.5 26.4 20.2 12.5 5.2
Min °F 17.7 21.7 32.6 44.4 53 62.4 66.8 64.6 56.9 45.3 34.1 23
Max °F 27.5 31.8 43.2 55.4 64 73 77.7 75.7 68.2 56.8 44.2 32.2

Sea temperature

The graph below shows the average sea temperature.

Wentzville average sea temperature chart (Celsius) Wentzville average sea temperature chart (Fahrenheit)
Average sea temperature around Wentzville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.3 9.8 10.4 11.8 14 16.6 19.7 22.6 21.2 17.1 13.9 11.7
°F 50.5 49.7 50.7 53.2 57.1 61.9 67.5 72.7 70.2 62.8 56.9 53

Wind speed

The graph below shows the average wind speed.

Wentzville average winspeed by month (km/h) Wentzville average winspeed by month (mph)
Average wind speed in Wentzville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 21 20 17 16 14 14 14 16 18 19
mph 12 12 13 12 10 10 9 9 9 10 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.

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

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Wentzville weather stats

Wentzville weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: January 43mm 1.7ins
Sunniest month: July 10.7hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: May 107mm 4.2ins
Warmest sea: August 22.6°C 72.7°F
Map showing location of Wentzville (38.81144, -90.85291) Wentzville map pin © Google

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