Lewis and Clark National Historical Park in July
July at Lewis and Clark National Historical Park averages a daytime high near 67°F and an overnight low around 54°F, with about 0.8" of precipitation. Visitation runs about 1.9× the park's average month, which makes July a very busy month here.
- Average low
- 54°F
- Average high
- 67°F
Range across the year: 37°F to 69°F
- Precipitation
- 0.8 in
- Daylight
- 15.2 hours
Roughly 16% of the park's yearly visitors come in July: about 42,000 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 Lewis and Clark; December, the quietest, runs only about 0.4× the average — a 5-to-1 swing between high and low season.
On our Best Time to Visit score July rates 49/100 ("Fair"). Our recommended month is May: the lightest crowds of the park's good-weather months.
The daily average of about 61°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 5.4 miles from the park.
July falls inside the park's busiest stretch: June, July and August together pull about 44% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 15.2 hours of daylight in July to explore — between the 8.4-hour midwinter low and the 15.6-hour summer high.
Park-wide, 2025 drew 244,195 recreation visits, down 8.6% from 267,118 in 2024.
How July compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| June | 64°F / 51°F | 1.5× Busy | 55 Fair |
| July | 67°F / 54°F | 1.9× Very busy | 49 Fair |
| August | 69°F / 54°F | 1.8× Very busy | 50 Fair |
All twelve months at Lewis and Clark, with the best time to visit.
Things to do at Lewis and Clark in July
The National Park Service tags 12 Lewis and Clark activities for summer. Here are 8 of them. Each links to the park's own page for it.
- See the Pacific at Cape Disappointment · 2-4 hours
- Clay Pit Pond Trail · 15-60 minutes
- Continue South to Find a Whale · 1-4 hours
- Find a Salt Camp in Seaside · 5-10 minutes
- Fort Clatsop Audio Tour · 20-60 minutes
- Kwis Kwis Trail · 1-5 hours
- Netul River Trail · 20-60 minutes
- Stretch Your Legs at the Dismal Nitch Wayside · 5-30 minutes
Frequently Asked Questions
July averages a daytime high near 67°F and an overnight low around 54°F at Lewis and Clark National Historical Park, with about 0.8 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 5.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
July is very busy at Lewis and Clark National Historical Park (about 1.9× the average month). Our best-time score rates it "Fair" at 49/100. Our recommended month is May.
The busiest month is July and the quietest is December. July sits at about 1.9× the park's average, or 16% of annual visitation.
A typical July sees about 42,000 recreation visits at Lewis and Clark National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Lewis and Clark in July
Booking a July trip to Lewis and Clark National Historical Park? Compare hotels, cabins and vacation rentals near the park with live July availability and prices.
Top-rated places to stay near Lewis and Clark
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 Lewis and Clark in July?
Get crowd forecasts and lodging deals for Lewis and Clark by email. No spam, unsubscribe anytime.
See the full ranking of the best national parks to visit in July.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.