Fairfax has an average of 22 inches of snow per year. The U.S. UU is 28 inches of snow per year. On average, there are 198 days of sunshine a year in Fairfax.
The US average is 205 sunny days. In Fairfax, summers are hot and humid, winters are very cold and snowy, and it's partly cloudy all year round. Throughout the year, the temperature generally ranges from 26° F to 87° F and is rarely below 13° F or above 94° F. Real-time social media posts from local businesses and organizations throughout Northern Virginia, powered by Friends2Follow.