Annandale, VA has a humid subtropical climate with hot and humid summers, mild winters, and plenty of precipitation throughout the year. Summers in Annandale are typically hot and very humid, with temperatures often reaching into the upper 80s and high humidity levels. Winters in Annandale are generally mild, with occasional cold snaps but usually no significant snowfall. Rain is fairly frequent throughout the year in Annandale and snowfall is rare. Spring and fall tend to be pleasant seasons with moderate temperatures and occasional showers.
Annandale, Virginia gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Annandale averages 21 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Annandale. The US average is 205 sunny days.
Annandale gets some kind of precipitation, on average, 117 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 86 degrees
Winter Low: the January low is 24
Rain: averages 44 inches of rain a year
Snow: averages 21 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Annandale is 7.3 (10=best), which means it is about average compared to other places in Virginia.
8.1 / 5.7
Summer / Winter
September, May and June are the most pleasant months in Annandale, while January and February are the least comfortable months.