Arlington (VA) monthly weather averages

Average daytime temperature

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

Arlington average temperature chart (Celsius) Arlington average temperature chart (Fahrenheit)
Average monthly temperatures in Arlington (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.9 6.8 12.6 18.4 23.8 28.4 30.5 29.7 26 19.9 13.8 7.4
°F 40.8 44.2 54.7 65.1 74.8 83.2 87 85.5 78.8 67.8 56.8 45.3

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.

Arlington monthly rainfall chart (mm) Arlington monthly rainfall chart (inches)
Average monthly rainfall in Arlington (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 71 70 85 75 96 88 99 103 87 78 83 82
inches 2.8 2.8 3.4 3 3.8 3.5 3.9 4.1 3.4 3.1 3.3 3.2
Rainy days 10 10 10 10 11 10 10 9 8 7 9 9

Average annual rainfall in Arlington: 979.334mm (385.6 inches)

Average daily sunshine

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

Arlington average daily sunshine chart
Average daily sunshine Arlington
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 6 7.1 8.1 8.9 10 9.7 9.1 8 7.1 5.5 4.8

Day / night temperatures

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

Arlington average minimum / maximum temperatures (Celsius) Arlington average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Arlington (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.1 -2.8 1.9 6.8 12.4 17.5 20.2 19.5 15.4 8.7 3.8 -1.4
Max °C 5.1 7 12.9 18.7 24.1 28.7 30.8 30 26.3 20.2 14.1 7.6
Min °F 24.6 27 35.4 44.2 54.2 63.5 68.4 67 59.6 47.6 38.8 29.5
Max °F 32.9 35.8 45.3 54.9 64.8 73.6 77.9 76.5 69.4 57.9 48 37.6

Sea temperature

The graph below shows the average sea temperature.

Arlington average sea temperature chart (Celsius) Arlington average sea temperature chart (Fahrenheit)
Average sea temperature around Arlington in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.2 2.6 3.3 6.7 11.8 18.2 23.2 24.2 22.1 17.3 12.2 7.7
°F 39.6 36.6 38 44.1 53.3 64.8 73.7 75.6 71.7 63.2 54 45.8

Wind speed

The graph below shows the average wind speed.

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

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.

Arlington relative humidity averages
Average relative humidity in Arlington
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 62% 60% 59% 67% 68% 69% 71% 72% 69% 67% 66%