Arlington House, The Robert E. Lee Memorial in July
July at Arlington House, The Robert E. Lee Memorial averages a daytime high near 90°F and an overnight low around 72°F, with about 4.3" of precipitation. Visitation runs about 1.3× the park's average month, which makes July a busy month here.
- Average low
- 72°F
- Average high
- 90°F
Range across the year: 30°F to 90°F
- Precipitation
- 4.3 in
- Daylight
- 14.5 hours
Roughly 11% of the park's yearly visitors come in July: about 59,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes July the 4th-busiest of the park's twelve months, sitting between the May peak (1.6×) and the January low (0.4×).
On our Best Time to Visit score July rates 37/100 ("Poor"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 81°F is hot, with afternoons near 90°F to plan the day around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 3.2 miles from the park.
July falls inside the park's busiest stretch: June, July and August together pull about 31% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 14.5 hours of daylight in July to explore — near the year-round maximum.
Park-wide, 2025 drew 363,284 recreation visits, down 18.8% from 447,641 in 2024.
Across the past decade overall visitation has eased about 33.6%, so July may feel a touch quieter than it once did.
How July compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| June | 85°F / 68°F | 1.5× Busy | 44 Poor |
| July | 90°F / 72°F | 1.3× Busy | 37 Poor |
| August | 88°F / 71°F | 1.0× Average | 53 Fair |
All twelve months at Arlington House, The Robert E. Lee Memorial, with the best time to visit.
Frequently Asked Questions
July averages a daytime high near 90°F and an overnight low around 72°F at Arlington House, The Robert E. Lee Memorial, with about 4.3 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 3.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
July is busy at Arlington House, The Robert E. Lee Memorial (about 1.3× the average month). Our best-time score rates it "Poor" at 37/100. Our recommended month is September.
The busiest month is May and the quietest is January. July sits at about 1.3× the park's average, or 11% of annual visitation.
A typical July sees about 59,000 recreation visits at Arlington House, The Robert E. Lee Memorial, based on National Park Service monthly counts from 1979–2025.
Where to stay near Arlington House, The Robert E. Lee Memorial in July
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Top-rated places to stay near Arlington House, The Robert E. Lee Memorial
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Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.