The climate in 22066 Great Falls, VA is generally mild with hot summers and cold winters. The average temperature during the summer months reaches high into the 80s and low 90s while in winter temperatures typically range between the 30s and 50s. Rainfall is evenly distributed throughout the year, with a slight increase during the spring season. Humidity levels are consistently moderate and winds often blow from the west-southwest direction. Overall, Great Falls enjoys comfortable weather year round that makes it an ideal place to live.
Great Falls (zip 22066), Virginia gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Great Falls (zip 22066) 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 Great Falls (zip 22066). The US average is 205 sunny days.
Great Falls (zip 22066) 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