Minuteman Missile National Historic Site in May
May at Minuteman Missile National Historic Site averages a daytime high near 68°F and an overnight low around 42°F, with about 2.9" of precipitation. Visitation runs about 1.1× the park's average month, which makes May an average month here.
- Average low
- 42°F
- Average high
- 68°F
Range across the year: 8°F to 88°F
- Precipitation
- 2.9 in
- Daylight
- 14.5 hours
Roughly 9% of the park's yearly visitors come in May: about 11,000 recreation visits in a typical year, based on National Park Service monthly counts from 2004 to 2025.
That makes May the 5th-busiest of the park's twelve months, sitting between the July peak (3×) and the February low (0.1×).
May is our recommended month at Minuteman Missile: the lightest crowds of the park's good-weather months.
The daily average of about 55°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 9.4 miles from the park.
Because June, July and August together draw about 61% 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 14.5 hours of daylight in May to explore — between the 8.7-hour midwinter low and the 15.3-hour summer high.
Park-wide, 2025 drew 102,146 recreation visits, down 13.5% from 118,108 in 2024.
Across the past decade overall visitation has eased about 9.3%, 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 | 58°F / 30°F | 0.3× Very quiet | 52 Fair |
| May | 68°F / 42°F | 1.1× Average | 66 Good |
| June | 79°F / 53°F | 2.2× Very busy | 63 Good |
All twelve months at Minuteman Missile, with the best time to visit.
Things to do at Minuteman Missile in May
The National Park Service tags 6 Minuteman Missile activities for spring. Each links to the park's own page for it.
- Consider Deterrence and Destruction at Delta-09 · 10-30 minutes
- Driving Delta Flight · 3 hours
- Get Your National Park Passport Stamped at Minuteman Missile · 5-15 minutes
- The Minuteman Missile Mobile Tour · 20-60 minutes
- Tour the Front-line of the Cold War at Delta-01 · 45-60 minutes · reservation required
- Visit the Delta-01 Launch Control Facility
Frequently Asked Questions
May averages a daytime high near 68°F and an overnight low around 42°F at Minuteman Missile National Historic Site, with about 2.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 9.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is average at Minuteman Missile National Historic Site (about 1.1× the average month). Our best-time score rates it "Good" at 66/100. May is our recommended month for this park.
The busiest month is July and the quietest is February. May sits at about 1.1× the park's average, or 9% of annual visitation.
A typical May sees about 11,000 recreation visits at Minuteman Missile National Historic Site, based on National Park Service monthly counts from 2004–2025.
Where to stay near Minuteman Missile in May
Booking a May trip to Minuteman Missile National Historic Site? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Minuteman Missile
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (2004–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.