Chesterfield (MO) monthly weather averages

Contents

Average daytime temperature

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

Chesterfield average temperature chart (Celsius) Chesterfield average temperature chart (Fahrenheit)
Average monthly temperatures in Chesterfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.1 5.7 12.4 19.2 24.1 29 31.4 30.4 26.3 20.2 12.5 5.3
°F 37.5 42.3 54.3 66.6 75.3 84.2 88.6 86.7 79.4 68.3 54.5 41.6

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.

Chesterfield monthly rainfall chart (mm) Chesterfield monthly rainfall chart (inches)
Average monthly rainfall in Chesterfield (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 45 52 86 97 106 95 93 79 84 70 82 69
inches 1.8 2.1 3.4 3.8 4.2 3.7 3.7 3.1 3.3 2.7 3.2 2.7
Rainy days 8 9 11 11 11 9 8 8 8 9 10 10

Average annual rainfall in Chesterfield: 906mm (356.7 inches)

Average daily sunshine

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

Chesterfield average daily sunshine chart
Average daily sunshine Chesterfield
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.1 6.9 8 9.3 10.5 10.7 9.5 8.4 7.4 5.3 4.7

Day / night temperatures

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

Chesterfield average minimum / maximum temperatures (Celsius) Chesterfield average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chesterfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.9 -4.6 1.4 7.5 12.5 17.8 20.3 19 14.8 8.2 2.3 -4
Max °C 3.3 6 12.7 19.5 24.4 29.3 31.7 30.7 26.6 20.5 12.8 5.6
Min °F 19.6 23.7 34.4 45.5 54.4 64 68.5 66.1 58.6 46.7 36.1 24.9
Max °F 28.8 33.3 44.6 56.3 65.1 74.3 78.8 76.6 69.3 57.7 45.5 33.4

Sea temperature

The graph below shows the average sea temperature.

Chesterfield average sea temperature chart (Celsius) Chesterfield average sea temperature chart (Fahrenheit)
Average sea temperature around Chesterfield 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.

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

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

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Chesterfield weather stats

Chesterfield weather statistics
Hottest month: July 31.4°C 88.5°F
Driest month: January 45mm 1.8ins
Sunniest month: July 10.7hrs
Coldest month: January 3.1°C 37.6°F
Wettest month: May 106mm 4.2ins
Warmest sea: August 22.6°C 72.7°F
Map showing location of Chesterfield (38.66311, -90.57707) Chesterfield map pin © Google

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