Lowell National Historical Park in July
July at Lowell National Historical Park averages a daytime high near 85°F and an overnight low around 61°F, with about 3.9" of precipitation. Visitation runs about 4.8× the park's average month, which makes July a very busy month here.
- Average low
- 61°F
- Average high
- 85°F
Range across the year: 16°F to 85°F
- Precipitation
- 3.9 in
- Daylight
- 14.8 hours
Roughly 40% of the park's yearly visitors come in July: about 156,000 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 Lowell; December, the quietest, runs only about 0.3× the average — a 19-to-1 swing between high and low season.
On our Best Time to Visit score July rates 47/100 ("Fair"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 73°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 2.4 miles from the park.
July falls inside the park's busiest stretch: June, July and August together pull about 60% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 14.8 hours of daylight in July to explore — near the year-round maximum.
Park-wide, 2024 drew 264,456 recreation visits, up 3.2% from 256,303 in 2023.
Across the past decade overall visitation has eased about 52.5%, 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 | 79°F / 55°F | 0.9× Average | 85 Excellent |
| July | 85°F / 61°F | 4.8× Very busy | 47 Fair |
| August | 83°F / 59°F | 1.5× Busy | 76 Excellent |
All twelve months at Lowell, with the best time to visit.
Things to do at Lowell in July
The National Park Service tags 4 Lowell activities for summer. Each links to the park's own page for it.
- Become a Lowell Junior Ranger · 30-180 minutes
- Earn an Acre Community Ranger Badge · 30-120 minutes
- Explore the Boott Cotton Mills Museum · 30-120 minutes
- Visit the Park Store at the Boott Cotton Mills Museum
Frequently Asked Questions
July averages a daytime high near 85°F and an overnight low around 61°F at Lowell National Historical Park, with about 3.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
July is very busy at Lowell National Historical Park (about 4.8× the average month). Our best-time score rates it "Fair" at 47/100. Our recommended month is September.
The busiest month is July and the quietest is December. July sits at about 4.8× the park's average, or 40% of annual visitation.
A typical July sees about 156,000 recreation visits at Lowell National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Lowell in July
Booking a July trip to Lowell National Historical Park? Compare hotels, cabins and vacation rentals near the park with live July availability and prices.
Top-rated places to stay near Lowell
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 Lowell in July?
Get crowd forecasts and lodging deals for Lowell 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.