Annandale, VA Climate


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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.


Weather Highlights

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 Summer - 5.7 Winter
September, May and June are the most pleasant months in Annandale, while January and February are the least comfortable months.

  ClimateAnnandale, VirginiaUnited States
  43.8 in.38.1 in.
  21.3 in.27.8 in.
  117.1 days106.2 days
  202 days205 days
  86.3°85.8°
  24.3°21.7°
  7.37
  44.3
  361 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Annandale with an average high temperature of 86.3°, which ranks it as about average compared to other places in Virginia. In Annandale, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Annandale are September, May and June.
In Annandale, there are 22.0 days annually when the high temperature is over 90°, which is about average compared to other places in Virginia.
January has the coldest nighttime temperatures for Annandale with an average of 24.3°. This is about average compared to other places in Virginia.
In Annandale, there are 96.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.
In Annandale, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Virginia.
The humidity can be uncomfortably heavy or close in Annandale during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Annandale.
May is the wettest month in Annandale with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 43.8 inches in Annandale means that it is about average compared to other places in Virginia.
May is the rainiest month in Annandale with 11.9 days of rain, and August is the driest month with only 8.6 rainy days. There are 117.1 rainy days annually in Annandale, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.
An annual snowfall of 21.3 inches in Annandale means that it is snowier than most places in Virginia. February is the snowiest month in Annandale with 7.7 inches of snow, and 5 months of the year have significant snowfall.
Reviews for Annandale
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I've lived here for 3 years. This is by far one of my favorite cities in VA. There are plenty of food options within a 5 mile radius, ranging from Korean to All-American  More

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Over 16 years ago

We've lived in the Western part of Annandale for years now. Anyone considering a move here should understand a basic reality. It is that Annandale is not one place but  More

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Over 16 years ago

We've lived in Annandale for almost 20 years. It is a Washington DC suburb in northern Virginia. Overall, it is a nice place to live, although the cost of living  More

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