Tumacácori National Historical Park in May
May at Tumacácori National Historical Park averages a daytime high near 86°F and an overnight low around 49°F, with about 0.2" of precipitation. Visitation runs about 0.8× the park's average month, which makes May a quiet month here.
- Average low
- 49°F
- Average high
- 86°F
Range across the year: 32°F to 95°F
- Precipitation
- 0.2 in
- Daylight
- 13.6 hours
Roughly 7% of the park's yearly visitors come in May: roughly 2,700 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 7th-busiest of the park's twelve months, sitting between the December peak (2.2×) and the August low (0.4×).
On our Best Time to Visit score May rates 82/100 ("Excellent"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 68°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 0.1 miles from the park.
Because June, July and August together draw about 9% of annual visitors, choosing May instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 13.6 hours of daylight in May to explore — between the 10-hour midwinter low and the 14-hour summer high.
Park-wide, 2024 drew 35,256 recreation visits, down 6.9% from 37,872 in 2023.
Across the past decade overall visitation has eased about 20.6%, so May may feel a touch quieter than it once did.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 78°F / 43°F | 1.2× Busy | 66 Good |
| May | 86°F / 49°F | 0.8× Quiet | 82 Excellent |
| June | 95°F / 59°F | 0.4× Very quiet | 62 Good |
All twelve months at Tumacácori, with the best time to visit.
Things to do at Tumacácori in May
The National Park Service tags 10 Tumacácori activities for spring. Here are 8 of them. Each links to the park's own page for it.
- See More Missions · 4 hours · reservation required
- Hike the Anza Trail from Tumacácori to Tubac, AZ · 2-6 hours
- Indulge Your Senses
- Join a Guided Tour · 1-4 hours · reservation required
- Admire Art and Architecture · 20-60 minutes
- Become a Tumacácori Junior Ranger · 30-60 minutes
- Explore the Mission Grounds · 10-60 minutes
- Go Natural in a Historical Park
Frequently Asked Questions
May averages a daytime high near 86°F and an overnight low around 49°F at Tumacácori National Historical Park, with about 0.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 0.1 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is quiet at Tumacácori National Historical Park (about 0.8× the average month). Our best-time score rates it "Excellent" at 82/100. Our recommended month is October.
The busiest month is December and the quietest is August. May sits at about 0.8× the park's average, or 7% of annual visitation.
A typical May sees about 3,000 recreation visits at Tumacácori National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Tumacácori in May
Booking a May trip to Tumacácori National Historical Park? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Tumacácori
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.