Adams National Historical Park in May
May at Adams National Historical Park averages a daytime high near 69°F and an overnight low around 48°F, with about 3.8" of precipitation. Visitation runs about 1.1× the park's average month, which makes May an average month here.
- Average low
- 48°F
- Average high
- 69°F
Range across the year: 22°F to 83°F
- Precipitation
- 3.8 in
- Daylight
- 14.4 hours
Roughly 9% of the park's yearly visitors come in May: roughly 8,700 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 6th-busiest of the park's twelve months, sitting between the July peak (2.6×) and the January low (0×).
May is our recommended month at Adams: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 58°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.
Because June, July and August together draw about 53% 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 14.4 hours of daylight in May to explore — between the 8.9-hour midwinter low and the 15.1-hour summer high.
Park-wide, 2025 drew 48,726 recreation visits, up 6.7% from 45,656 in 2024.
Across the past decade overall visitation has eased about 80.1%, 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 / 38°F | 0.4× Very quiet | 63 Good |
| May | 69°F / 48°F | 1.1× Average | 67 Good |
| June | 77°F / 57°F | 1.7× Very busy | 69 Good |
All twelve months at Adams, with the best time to visit.
Frequently Asked Questions
May averages a daytime high near 69°F and an overnight low around 48°F at Adams National Historical Park, with about 3.8 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.
May is average at Adams National Historical Park (about 1.1× the average month). Our best-time score rates it "Good" at 67/100. May is our recommended month for this park.
The busiest month is July and the quietest is January. May sits at about 1.1× the park's average, or 9% of annual visitation.
A typical May sees about 9,000 recreation visits at Adams National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Adams in May
Booking a May trip to Adams National Historical Park? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Adams
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Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.