Theodore Roosevelt Island in August
August at Theodore Roosevelt Island averages a daytime high near 88°F and an overnight low around 71°F, with about 3.3" of precipitation. Visitation runs about 1.2× the park's average month, which makes August a busy month here.
- Average low
- 71°F
- Average high
- 88°F
Range across the year: 30°F to 90°F
- Precipitation
- 3.3 in
- Daylight
- 13.5 hours
Roughly 10% of the park's yearly visitors come in August: about 16,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 4th-busiest of the park's twelve months, sitting between the October peak (1.3×) and the February low (0.7×).
On our Best Time to Visit score August rates 41/100 ("Poor"). Our recommended month is May: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 79°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 3.7 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 26% 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 159,828 recreation visits, down 8.6% from 174,954 in 2024.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 90°F / 72°F | 1.0× Average | 48 Fair |
| August | 88°F / 71°F | 1.2× Busy | 41 Poor |
| September | 81°F / 64°F | 1.2× Busy | 48 Fair |
All twelve months at Theodore Roosevelt Island, with the best time to visit.
Things to do at Theodore Roosevelt Island in August
The National Park Service tags 3 Theodore Roosevelt Island activities for summer. Each links to the park's own page for it.
- Discover Theodore Roosevelt Island · 1-3 hours
- Multi-Park Loop
- Silver Line - DC Metro · 1-2 days
Frequently Asked Questions
August averages a daytime high near 88°F and an overnight low around 71°F at Theodore Roosevelt Island, with about 3.3 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 3.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at Theodore Roosevelt Island (about 1.2× the average month). Our best-time score rates it "Poor" at 41/100. Our recommended month is May.
The busiest month is October and the quietest is February. August sits at about 1.2× the park's average, or 10% of annual visitation.
A typical August sees about 16,000 recreation visits at Theodore Roosevelt Island, based on National Park Service monthly counts from 1979–2025.
Where to stay near Theodore Roosevelt Island in August
Booking a August trip to Theodore Roosevelt Island? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Theodore Roosevelt Island
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Visiting Theodore Roosevelt Island in August?
Get crowd forecasts and lodging deals for Theodore Roosevelt Island by email. No spam, unsubscribe anytime.
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.