Dayton Aviation Heritage National Historical Park in May
May at Dayton Aviation Heritage National Historical Park averages a daytime high near 75°F and an overnight low around 53°F, with about 4.4" of precipitation. Visitation runs about 1.7× the park's average month, which makes May a very busy month here.
- Average low
- 53°F
- Average high
- 75°F
Range across the year: 20°F to 87°F
- Precipitation
- 4.4 in
- Daylight
- 14.2 hours
Roughly 14% 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 1996 to 2025.
It is the single busiest month of the year at Dayton Aviation Heritage; January, the quietest, runs only about 0.2× the average — a 8-to-1 swing between high and low season.
On our Best Time to Visit score May rates 46/100 ("Fair"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 64°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 4.6 miles from the park.
Because June, July and August together draw about 32% 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 14.2 hours of daylight in May to explore — between the 9.2-hour midwinter low and the 14.8-hour summer high.
Park-wide, 2025 drew 79,760 recreation visits, down 8.4% from 87,032 in 2024.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 64°F / 41°F | 1.1× Average | 47 Fair |
| May | 75°F / 53°F | 1.6× Very busy | 46 Fair |
| June | 84°F / 62°F | 1.3× Busy | 56 Fair |
All twelve months at Dayton Aviation Heritage, with the best time to visit.
Frequently Asked Questions
May averages a daytime high near 75°F and an overnight low around 53°F at Dayton Aviation Heritage National Historical Park, with about 4.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 4.6 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is very busy at Dayton Aviation Heritage National Historical Park (about 1.6× the average month). Our best-time score rates it "Fair" at 46/100. Our recommended month is September.
The busiest month is May and the quietest is January. May sits at about 1.6× the park's average, or 14% of annual visitation.
A typical May sees about 11,000 recreation visits at Dayton Aviation Heritage National Historical Park, based on National Park Service monthly counts from 1996–2025.
Where to stay near Dayton Aviation Heritage in May
Booking a May trip to Dayton Aviation Heritage National Historical Park? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Dayton Aviation Heritage
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (1996–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.