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Washington D.C. Weather in August

Averages By Month

August is still one of Washington, D.C.'s hot and humid summer months. Temperature highs rise to 84°F and temperature lows do not fall below 66°F. The chance of precipitation is a little lower than in July but the humidity level is still high. If it rains in August on appr. 12 days, it is usually light rain. Thunderstorms rarely happenat the time of year and the sun shines for 6 hours a day.

August features perfect weather for a dinner on the waterfront of the Potomac River or a sightseeing cruise . You can always cool down when visiting one of the air conditioned Smithsonian museums that are free to enter.

High and Low Temperature in August °F

Rain Days in August

Current Weather Washington D.C.

61°F clear sky
Local Time

Hourly 10 Days

Averages Washington D.C.

  J F M A M J J A S O N D

High °F

42° 44° 53° 64° 75° 83° 87° 84° 78° 67° 55° 45°

Low °F

27° 28° 35° 44° 54° 63° 68° 66° 59° 48° 38° 29°

Daylight

5h 6h 7h 8h 9h 9h 9h 8h 8h 7h 5h 4h

Rain Days

12 9 11 11 13 11 14 12 11 9 10 9

Rain (inch)

3.1 3.2 3.2 3.2 4.1 3.2 4.1 4.9 3.8 3.1 2.8 2.8

Washington D.C. Weather by Month

Best Time to visit Washington D.C.

In terms of weather, spring and fall might be the best time for a city trip to Washington D.C.. The temperatures during the day at around 65°F to 70°F are perfect for a walk through the National Mall park. From the end of March to the middle of April, the cherry blossom season attracts lots of tourists and is a sight to behold. You can expect more rain during spring than in fall. In fall however you can enjoy Indian summer colored trees. Though July is hot and wet, it is a popular time to visit Washington, D.C. for the 4th of July celebrations.

Things to know about Washington D.C.

Washington, D.C. is the capital of the United States and is home to the president who resides in the White House on Pennsylvania Avenue. It is also home to Congress which sits and goes about its business in the United States Capitol in Capitol Hill. For people on vacation, Washington, D.C. offers more than 60 museums and more than 70 historical sights as well as all kinds of shopping options. It is also features several famous colleges and is a popular city with students.

The top 10 sights in Washington, D.C. are:

The Washington Monument

The National Mall and The Lincoln Memorial

The Washington Monument
Washington Lincoln Memorial


The U.S. Capitol and The National Air and Space Museum
Washington the Capitol
Washington National Air and Space Museum


The Smithsonian American Art Museum and Georgetown
Washington Smithsonian Institution building
Washington Georgetown


The White House and Potomac River
Washington white house
Washington John Kennedy Center for the performin arts


and... The Pentagon

Washington D.C. Location

Other destinations in August



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