Reston experiences a humid subtropical climate (Köppen climate classification *Cfa*), typical of the Mid-Atlantic United States. This brings four distinct seasons, each offering a different way to enjoy the community's extensive outdoor amenities.
**Summers** are generally hot and humid, with July highs averaging around 87°F (30°C). Thunderstorms are common in the late afternoons. **Winters** are cool to moderately cold. January lows average around 29°F (-1°C). Snowfall is variable; some winters see significant snowstorms (Nor'easters), while others experience mostly rain or light flurries. **Spring and Autumn** are widely considered the best times to visit. Spring brings a spectacular bloom of cherry blossoms, dogwoods, and azaleas, while autumn offers crisp air and vibrant, fiery foliage across the community's dense tree canopy.
Precipitation is relatively evenly distributed throughout the year, averaging about 43 inches annually.
