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Difficult Run, VA weather and climate

Fairfax County, VA · population 10,202 · about 400 ft elevation

Everything below is a 30 year average for 1991-2020, computed from daily climate history at Difficult Run's own coordinates.

The year at a glance

Sunny days
205
clear or partly cloudy, per year
Precipitation
43 in
per year
Wet days
119
rain or snow per year
Snowfall
19 in
per year
Hot days
19
above 90 °F
Freezing nights
102
at or below 32 °F
Humidity
68%
average relative
Average temperature
55 °F
year round

Monthly temperatures

Average daily high and low for each month, in °F.

Daily highDaily low
20406080JanMarMayJulSepNovDaily high, Jan: 42 °FDaily high, Feb: 46 °FDaily high, Mar: 54 °FDaily high, Apr: 65 °FDaily high, May: 73 °FDaily high, Jun: 81 °FDaily high, Jul: 85 °FDaily high, Aug: 83 °FDaily high, Sep: 77 °FDaily high, Oct: 66 °FDaily high, Nov: 56 °FDaily high, Dec: 46 °FDaily low, Jan: 24 °FDaily low, Feb: 25 °FDaily low, Mar: 32 °FDaily low, Apr: 42 °FDaily low, May: 52 °FDaily low, Jun: 61 °FDaily low, Jul: 67 °FDaily low, Aug: 65 °FDaily low, Sep: 57 °FDaily low, Oct: 45 °FDaily low, Nov: 35 °FDaily low, Dec: 28 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Daily high424654657381858377665646
Daily low242532425261676557453528

Monthly precipitation

Total rain plus melted snow for each month, in inches.

0.02.04.0JanMarMayJulSepNovDifficult Run, Jan: 3.1 inDifficult Run, Feb: 2.9 inDifficult Run, Mar: 3.9 inDifficult Run, Apr: 3.4 inDifficult Run, May: 3.9 inDifficult Run, Jun: 3.6 inDifficult Run, Jul: 4.1 inDifficult Run, Aug: 3.6 inDifficult Run, Sep: 4.5 inDifficult Run, Oct: 3.5 inDifficult Run, Nov: 3.0 inDifficult Run, Dec: 3.5 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Difficult Run3.12.93.93.43.93.64.13.64.53.53.03.5

Monthly sunny days

Days each month with clear or partly cloudy skies.

01020JanMarMayJulSepNovDifficult Run, Jan: 16 daysDifficult Run, Feb: 15 daysDifficult Run, Mar: 16 daysDifficult Run, Apr: 16 daysDifficult Run, May: 16 daysDifficult Run, Jun: 17 daysDifficult Run, Jul: 19 daysDifficult Run, Aug: 19 daysDifficult Run, Sep: 18 daysDifficult Run, Oct: 20 daysDifficult Run, Nov: 18 daysDifficult Run, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Difficult Run161516161617191918201816

Compare Difficult Run with another city

Nearby cities and popular picks. Any two cities can be compared from the home page.

See weather for every covered Virginia city

About this data

Figures are 30 year averages for 1991-2020. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).