Climate Summary
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| McLean, VA Climate Summary General Climate • Climate Type Humid subtropical climate (Köppen Cfa) • Average Annual Temperature 57.2°F (14°C) • Average Annual Precipitation 41.2 inches (104.6 cm) • Average Annual Snowfall 19.7 inches (50 cm) Temperature • Average January Temperature 35.7°F (2.1°C) • Average July Temperature 78.8°F (26°C) • Record High Temperature 107°F (41.7°C) • Record Low Temperature -15°F (-26.1°C) Precipitation • Average Annual Precipitation 41.2 inches (104.6 cm) • Average Number of Rainy Days 110 days • Average Number of Snow Days 10 days • Record 24-Hour Rainfall 9.5 inches (24.1 cm) Humidity • Average Annual Relative Humidity 68% Wind • Average Wind Speed 9 mph (14 km/h) • Prevailing Wind Direction West-southwest Sunshine • Average Annual Sunshine 2,600 hours Climate Summary McLean, Virginia experiences a humid subtropical climate with hot, humid summers and mild winters. The average annual temperature is 57.2°F (14°C), with average temperatures ranging from 35.7°F (2.1°C) in January to 78.8°F (26°C) in July. The average annual precipitation is 41.2 inches (104.6 cm), with most precipitation occurring during the summer months. Snowfall is relatively light, averaging 19.7 inches (50 cm) per year. McLean's climate is influenced by its location in the Mid-Atlantic region of the United States. The region is characterized by a mix of continental and maritime air masses, which can lead to a variety of weather conditions throughout the year. In the summer, hot and humid air from the Gulf of Mexico often dominates the region, leading to high temperatures and frequent thunderstorms. In the winter, cold and dry air from the north and west can bring periods of cold weather and snowfall. The climate of McLean is also influenced by its proximity to the Chesapeake Bay and the Atlantic Ocean. The bay and ocean help to moderate temperatures, making winters milder and summers cooler than they would be otherwise. The bay and ocean also contribute to the region's humidity, which can make summers feel even hotter and more uncomfortable. Overall, McLean's climate is characterized by a mix of hot and humid summers, mild winters, and moderate precipitation. The climate is generally favorable for outdoor activities year-round, although the summer months can be hot and humid. |
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| Facts & Historical Information
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| Natural History • McLean is home to the Great Falls Park, a 768-acre natural area featuring cascading waterfalls, hiking trails, and diverse wildlife. • The park is part of the Potomac River Gorge, a unique geological formation that supports a variety of plant and animal species. • The McLean area was once a major agricultural center, with farms and orchards dotting the landscape. Science • The National Institute of Standards and Technology (NIST) is headquartered in McLean. NIST conducts cutting-edge research in physics, chemistry, and materials science. • The National Reconnaissance Office (NRO), a U.S. intelligence agency, is also located in McLean. Personalities • Robert E. Lee, Confederate general, lived in McLean from 1857 to 1861. His home, Arlington House, is now a National Memorial. • George Marshall, U.S. Secretary of State and Nobel Peace Prize laureate, lived in McLean from 1948 to 1959. His home is now the George C. Marshall International Center. • Katharine Graham, publisher of The Washington Post, lived in McLean from 1969 to 2001. |
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Tourist Attractions
| 1.Great Falls Park Located on the Potomac River, this park offers stunning views of the falls, hiking trails, and picnic areas. 2.Tysons Corner Center One of the largest shopping malls in the country, with over 300 stores and restaurants. 3.Wolf Trap National Park for the Performing Arts This park hosts a variety of performances, including concerts, plays, and dance shows, in an outdoor amphitheater. |
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Nearby Cities:| Pimmit Hills, VA | | Brookmont, MD | Cabin John, MD | | Idylwood, VA | Falls Church, VA | | Tysons Corner, VA | Dunn Loring, VA | | Seven Corners, VA | West Falls Church, VA | | Somerset, MD | Arlington, VA | | Friendship Village, MD | Merrifield, VA | | Bethesda, MD | Vienna, VA | | Chevy Chase Village, MD | Lake Barcroft, VA | | Baltimore, MD | | Washington, DC | Richmond, VA | | Alexandria, VA | Columbia, MD | | Reading, PA | Germantown, MD | | Wilmington, DE | Silver Spring, MD | | Centreville, VA | Frederick, MD | | Waldorf, MD | |
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