Randallstown (MD) monthly weather averages

Average daytime temperature

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

Randallstown average temperature chart (Celsius) Randallstown average temperature chart (Fahrenheit)
Average monthly temperatures in Randallstown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.7 5.6 11.5 17.3 23.1 27.8 30 29 25.2 19 12.7 6.3
°F 38.7 42 52.7 63.1 73.5 82 86 84.2 77.3 66.1 54.8 43.4

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.

Randallstown monthly rainfall chart (mm) Randallstown monthly rainfall chart (inches)
Average monthly rainfall in Randallstown (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 79 74 97 89 107 98 96 95 94 80 89 90
inches 3.1 2.9 3.8 3.5 4.2 3.8 3.8 3.8 3.7 3.1 3.5 3.5
Rainy days 11 10 10 11 12 10 10 10 8 8 10 10

Average annual rainfall in Randallstown: 1048.367mm (412.7 inches)

Average daily sunshine

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

Randallstown average daily sunshine chart
Average daily sunshine Randallstown
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.4 6.2 7.3 8.2 8.8 9.9 10 9.2 7.9 7.1 5.5 4.9

Day / night temperatures

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

Randallstown average minimum / maximum temperatures (Celsius) Randallstown average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Randallstown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.4 -4.2 0.4 5.2 10.9 15.8 18.5 17.7 14 7.4 2.7 -2.6
Max °C 4 5.8 11.8 17.6 23.4 28.1 30.3 29.3 25.5 19.3 12.9 6.6
Min °F 22.4 24.4 32.8 41.4 51.5 60.4 65.3 63.9 57.1 45.2 36.9 27.4
Max °F 30.7 33.4 43 52.5 62.8 71.4 75.9 74.3 67.5 55.9 46 35.6

Sea temperature

The graph below shows the average sea temperature.

Randallstown average sea temperature chart (Celsius) Randallstown average sea temperature chart (Fahrenheit)
Average sea temperature around Randallstown in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1 -0.8 -0.1 3.7 9.4 16.4 21.9 23.4 21.1 16.1 10.6 5.2
°F 33.9 30.5 31.9 38.7 48.8 61.4 71.5 74.1 70 61.1 51 41.4

Wind speed

The graph below shows the average wind speed.

Randallstown average winspeed by month (km/h) Randallstown average winspeed by month (mph)
Average wind speed in Randallstown (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 18 17 15 14 13 12 13 14 16 16
mph 10 10 11 11 9 9 8 8 8 9 10 10

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.

Randallstown relative humidity averages
Average relative humidity in Randallstown
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 62% 60% 60% 66% 68% 69% 72% 72% 70% 68% 67%

Other monthly averages

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Randallstown weather stats

Randallstown weather statistics
Hottest month: July 30°C 86°F
Driest month: February 74mm 2.9ins
Sunniest month: July 10hrs
Coldest month: January 3.7°C 38.7°F
Wettest month: May 107mm 4.2ins
Warmest sea: August 23.4°C 74.1°F
Map showing location of Randallstown (39.36733, -76.79525) Randallstown map pin © Google

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