Union Square (Washington, D.C.) Park
Public plaza on Capitol grounds near museums
Plaza immediately east of the U.S. Capitol used for rallies, public gatherings and as formal green space. Tourists visit for close Capitol views, occasional events and proximity to National Mall museums.
Union Square (Washington, D.C.) at a Glance#
Address: Union Square (near Union Station and the U.S. Capitol), Washington, D.C., United States
Hours: Open public space (hours vary with events)
How to Get to Union Square (Washington, D.C.)#
Union Square is adjacent to Union Station and a short walk from the U.S. Capitol. Use Metro (Union Station on the Red Line) or bus routes that serve the Capitol Hill area.
Tips for Visiting Union Square (Washington, D.C.)#
- Union Square near the U.S. Capitol is a useful waypoint for visitors heading toward the National Mall and Smithsonian museums.
- Security checkpoints and special event closures occur; check National Park Service notices for event schedules.
Best Time to Visit Union Square (Washington, D.C.)#
Spring and autumn offer the most comfortable visits for central D.C. public spaces.
Weather & Climate near Union Square (Washington, D.C.)#
Union Square (Washington, D.C.)'s climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from -4°C to 32°C. Abundant rainfall (1048 mm/year), wettest in May, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -4° - 6° | -2° | 80 mm | - | - | 3.5 m/s | - | - |
| February | - | -2° - 9° | 0° | 69 mm | - | - | 3.7 m/s | - | - |
| March | - | 2° - 13° | 5° | 92 mm | - | - | 4.0 m/s | - | - |
| April | - | 7° - 19° | 13° | 78 mm | - | - | 3.9 m/s | - | - |
| May | - | 12° - 25° | 19° | 104 mm | - | - | 3.2 m/s | - | - |
| June | - | 17° - 29° | 23° | 87 mm | - | - | 3.1 m/s | - | - |
| July | - | 20° - 32° | 26° | 101 mm | - | - | 2.8 m/s | - | - |
| August | - | 19° - 31° | 25° | 96 mm | - | - | 2.7 m/s | - | - |
| September | - | 15° - 27° | 21° | 95 mm | - | - | 2.9 m/s | - | - |
| October | - | 9° - 21° | 15° | 83 mm | - | - | 2.9 m/s | - | - |
| November | - | 4° - 15° | 7° | 83 mm | - | - | 3.3 m/s | - | - |
| December | - | -1° - 9° | 1° | 80 mm | - | - | 3.4 m/s | - | - |
