Sterling, VA Climate


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Sterling, VA has a humid subtropical climate with warm summers and mild winters; temperatures rarely drop below freezing. On average Sterling sees about 48 inches of rain per year, mostly during the summer months. The area also experiences an average of 16 inches of snowfall annually, with most of it falling during December to February. Throughout the year there are plenty of sunny days in Sterling, providing plenty of opportunities to enjoy the outdoors.

Sterling, Virginia gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sterling averages 22 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Sterling. The US average is 205 sunny days.

Sterling gets some kind of precipitation, on average, 116 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 42 inches of rain a year
Snow: averages 22 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sterling is 7.3 (10=best), which means it is about average compared to other places in Virginia.

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

  ClimateSterling, VirginiaUnited States
  42.0 in.38.1 in.
  21.5 in.27.8 in.
  116.2 days106.2 days
  197 days205 days
  85.8°85.8°
  23.5°21.7°
  7.37
  44.3
  292 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 Sterling with an average high temperature of 85.8°, which ranks it as cooler than most places in Virginia. In Sterling, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sterling are September, June and May.
In Sterling, there are 19.2 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.
January has the coldest nighttime temperatures for Sterling with an average of 23.5°. This is colder than most places in Virginia.
In Sterling, there are 104.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Virginia.
In Sterling, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.
The humidity is usually acceptable in Sterling but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in Sterling.
May is the wettest month in Sterling with 4.5 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Summer with 27% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 42.0 inches in Sterling means that it is drier than most places in Virginia.
May is the rainiest month in Sterling with 11.9 days of rain, and October is the driest month with only 8.1 rainy days. There are 116.2 rainy days annually in Sterling, which is about average compared to other places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.
An annual snowfall of 21.5 inches in Sterling means that it is one of the snowiest places in Virginia. February is the snowiest month in Sterling with 7.8 inches of snow, and 5 months of the year have significant snowfall.
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