Maryland Heights (MO) monthly weather averages

Average daytime temperature

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

Maryland Heights average temperature chart (Celsius) Maryland Heights average temperature chart (Fahrenheit)
Average monthly temperatures in Maryland Heights (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3 5.6 12.3 19 24.2 29.2 31.5 30.3 26.3 20.1 12.4 5.2
°F 37.3 42.1 54.2 66.2 75.5 84.6 88.7 86.6 79.3 68.1 54.3 41.3

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.

Maryland Heights monthly rainfall chart (mm) Maryland Heights monthly rainfall chart (inches)
Average monthly rainfall in Maryland Heights (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 44 51 84 95 104 94 93 76 82 68 78 68
inches 1.7 2 3.3 3.7 4.1 3.7 3.7 3 3.2 2.7 3.1 2.7
Rainy days 8 8 11 11 11 9 9 8 8 8 10 10

Average annual rainfall in Maryland Heights: 884.733mm (348.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Maryland Heights

Maryland Heights average daily sunshine chart
Average daily sunshine Maryland Heights
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.1 6.9 8 9.2 10.4 10.7 9.4 8.5 7.3 5.2 4.7

Day / night temperatures

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

Maryland Heights average minimum / maximum temperatures (Celsius) Maryland Heights average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Maryland Heights (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.6 -4.3 1.6 7.7 13 18.3 20.9 19.4 15.3 8.7 2.8 -3.6
Max °C 3.2 5.9 12.6 19.3 24.5 29.5 31.8 30.6 26.6 20.4 12.7 5.4
Min °F 20.1 24.4 34.9 45.9 55.3 64.9 69.5 66.9 59.5 47.6 37 25.5
Max °F 28.9 33.4 44.8 56.3 65.7 75 79.3 77 69.6 58.1 45.9 33.6

Sea temperature

The graph below shows the average sea temperature.

Maryland Heights average sea temperature chart (Celsius) Maryland Heights average sea temperature chart (Fahrenheit)
Average sea temperature around Maryland Heights 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.

Maryland Heights average winspeed by month (km/h) Maryland Heights average winspeed by month (mph)
Average wind speed in Maryland Heights (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 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.

Maryland Heights relative humidity averages
Average relative humidity in Maryland Heights
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 72% 68% 64% 67% 67% 68% 70% 72% 69% 72% 76%

Other monthly averages

UV index Best time to go?

Maryland Heights weather stats

Maryland Heights weather statistics
Hottest month: July 31.5°C 88.7°F
Driest month: January 44mm 1.7ins
Sunniest month: July 10.7hrs
Coldest month: January 3°C 37.4°F
Wettest month: May 104mm 4.1ins
Warmest sea: August 22.6°C 72.7°F
Map showing location of Maryland Heights (38.71311, -90.42984) Maryland Heights map pin © Google

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