John Day Fossil Beds National Monument in May
May at John Day Fossil Beds National Monument averages a daytime high near 65°F and an overnight low around 39°F, with about 1.9" of precipitation. Visitation runs about 1.6× the park's average month, which makes May a busy month here.
- Average low
- 39°F
- Average high
- 65°F
Range across the year: 25°F to 83°F
- Precipitation
- 1.9 in
- Daylight
- 14.6 hours
Roughly 13% of the park's yearly visitors come in May: about 23,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 4th-busiest of the park's twelve months, sitting between the July peak (2×) and the January low (0.2×).
On our Best Time to Visit score May rates 46/100 ("Fair"). Our recommended month is September: the lightest crowds of the park's good-weather months.
The daily average of about 52°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 12.2 miles from the park.
Because June, July and August together draw about 47% 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 14.6 hours of daylight in May to explore — between the 8.6-hour midwinter low and the 15.4-hour summer high.
Park-wide, 2025 drew 131,119 recreation visits, up 7% from 122,529 in 2024.
Across the past decade overall visitation has eased about 28%, 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 | 57°F / 33°F | 1.0× Average | 49 Fair |
| May | 65°F / 39°F | 1.6× Busy | 46 Fair |
| June | 72°F / 44°F | 1.8× Very busy | 49 Fair |
All twelve months at John Day Fossil Beds, with the best time to visit.
Things to do at John Day Fossil Beds in May
The National Park Service tags 19 John Day Fossil Beds activities for spring. Here are 8 of them. Each links to the park's own page for it.
- Blue Basin Overlook Trail · 1-3 hours
- Clarno Arch Trail · 15-45 minutes
- Fossil Gallery · 10-60 minutes
- John Day Fossil Beds Junior Ranger Program · 20-120 minutes
- Leaf Hill Trail · 10-30 minutes
- Painted Cove Trail · 10-30 minutes
- River Trail · 10-35 minutes
- Story in Stone Trail · 15-30 minutes
Frequently Asked Questions
May averages a daytime high near 65°F and an overnight low around 39°F at John Day Fossil Beds National Monument, with about 1.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 12.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is busy at John Day Fossil Beds National Monument (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 July and the quietest is January. May sits at about 1.6× the park's average, or 13% of annual visitation.
A typical May sees about 23,000 recreation visits at John Day Fossil Beds National Monument, based on National Park Service monthly counts from 1979–2025.
Where to stay near John Day Fossil Beds in May
Booking a May trip to John Day Fossil Beds National Monument? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near John Day Fossil Beds
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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.