August Packing List for Washington DC — What to Wear & Bring

Seersucker's puckered texture promotes airflow, making it a classic Washington DC style choice for the 88F heat of August.

Breathable chinos are appropriate for a White House tour while remaining comfortable in Washington DC's 88F August weather.

High-tech synthetic shirts help manage sweat during the 9 humid days of precipitation in Washington DC throughout August.

A shawl is useful for the 71F evenings and the often-freezing air conditioning in Washington DC's federal buildings.

Mesh sneakers provide maximum ventilation for your feet during long 88F days spent on Washington DC's National Mall.

Sandals that can handle water are ideal for Washington DC's 9 days of August rain, which often come as sudden downpours.

Washington DC's August highs of 88°F make leather loafers the right choice for daytime Smithsonian visits — breathable enough for humid conditions and polished enough for the Mall's mix of tourists and professionals.

A small bag is easier to carry in the 88F heat and passes through Washington DC museum security checkpoints more quickly.

Washington DC's August UV index stays at 9-10 most days, with 88°F highs baking the open National Mall pavement — a sunscreen stick makes reapplication easy during long outdoor sightseeing days.

A battery-powered fan is essential for waiting in line at the Washington Monument during the peak 88F August heat.

A collapsible bottle saves space and ensures you stay hydrated while navigating Washington DC in the 88F August humidity.

August in Washington DC combines 88°F highs with 9 rainy days — a quick-dry hat with a brim protects against both intense UV on the National Mall and sudden afternoon thunderstorms.

August highs of 88°F and oppressive humidity make hydration critical on Washington DC's open Mall — a large insulated water bottle is essential for any day with multiple monument visits.