George Washington Memorial Parkway in August
August at George Washington Memorial Parkway averages a daytime high near 86°F and an overnight low around 66°F, with about 4.4" of precipitation. Visitation runs about 1.4× the park's average month, which makes August a busy month here.
- Average low
- 66°F
- Average high
- 86°F
Range across the year: 26°F to 88°F
- Precipitation
- 4.4 in
- Daylight
- 13.5 hours
Roughly 12% of the park's yearly visitors come in August: about 885,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
It is the single busiest month of the year at George Washington; January, the quietest, runs only about 0.4× the average — a 4-to-1 swing between high and low season.
On our Best Time to Visit score August rates 37/100 ("Poor"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 76°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 2.6 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 34% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.5 hours of daylight in August to explore — between the 9.3-hour midwinter low and the 14.7-hour summer high.
Park-wide, 2025 drew 6,732,932 recreation visits, down 0.7% from 6,782,717 in 2024.
Across the past decade overall visitation has eased about 9.7%, so August may feel a touch quieter than it once did.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 88°F / 68°F | 1.4× Busy | 33 Poor |
| August | 86°F / 66°F | 1.4× Busy | 37 Poor |
| September | 79°F / 59°F | 1.1× Average | 58 Fair |
All twelve months at George Washington, with the best time to visit.
Things to do at George Washington in August
The National Park Service tags 10 George Washington activities for summer. Here are 8 of them. Each links to the park's own page for it.
- Blue Line - DC Metro · 1-2 days
- Cast Your Gaze Across the City Skyline from the Netherlands Carillon · 1-2 hours
- Clara Barton National Historic Site · 15-60 minutes
- Drive on the George Washington Memorial Parkway · 15-120 minutes
- Multi-Park Loop
- Panoramic Views at the US Marine Corps War Memorial · 1-2 hours
- Retreat to the Lyndon Baines Johnson Memorial Grove · 1-2 hours
- Silver Line - DC Metro · 1-2 days
Frequently Asked Questions
August averages a daytime high near 86°F and an overnight low around 66°F at George Washington Memorial Parkway, with about 4.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.6 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at George Washington Memorial Parkway (about 1.4× the average month). Our best-time score rates it "Poor" at 37/100. Our recommended month is September.
The busiest month is August and the quietest is January. August sits at about 1.4× the park's average, or 12% of annual visitation.
A typical August sees about 885,000 recreation visits at George Washington Memorial Parkway, based on National Park Service monthly counts from 1979–2025.
Where to stay near George Washington in August
Booking a August trip to George Washington Memorial Parkway? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near George Washington
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.