Washington, D.C., the capital of the United States, experiences a humid subtropical climate characterized by four distinct seasons. Summers are hot and humid, with temperatures averaging around 85°F (29°C), and occasional thunderstorms. Winters are cold, with average temperatures around 40°F (4°C) and occasional snowfall. Spring and fall offer mild and pleasant weather.

Situated on the banks of the Potomac River, Washington, D.C. benefits from the river's hydrology constituents. The river provides opportunities for recreational activities such as boating, kayaking, and fishing. The Chesapeake and Ohio Canal, which runs parallel to the Potomac River, offers scenic hiking and biking trails.

In addition to the river, the city boasts numerous outdoor recreation options. The National Mall, a vast park in the heart of the city, provides space for walking, picnicking, and outdoor events. Rock Creek Park, a sprawling urban park, offers opportunities for hiking, biking, horseback riding, and wildlife viewing. Furthermore, the city has various neighborhood parks, gardens, and green spaces, providing residents and visitors with ample opportunities for outdoor recreation and relaxation.