Dinosaur National Monument in May
May at Dinosaur National Monument averages a daytime high near 71°F and an overnight low around 44°F, with about 1.2" of precipitation. Visitation runs about 1.3× the park's average month, which makes May a busy month here.
- Average low
- 44°F
- Average high
- 71°F
Range across the year: 14°F to 91°F
- Precipitation
- 1.2 in
- Daylight
- 14.3 hours
Roughly 11% of the park's yearly visitors come in May: about 34,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 5th-busiest of the park's twelve months, sitting between the July peak (2.5×) and the February low (0.2×).
May is our recommended month at Dinosaur: the lightest crowds of the park's good-weather months.
The daily average of about 57°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 18.2 miles from the park.
Because June, July and August together draw about 56% 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 14.3 hours of daylight in May to explore — between the 9.1-hour midwinter low and the 14.9-hour summer high.
Park-wide, 2025 drew 315,725 recreation visits, down 2% from 322,113 in 2024.
Across the past decade overall visitation has risen about 12.6%, so a May visit is likely to feel busier than it did a few years ago.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 60°F / 35°F | 0.6× Quiet | 63 Good |
| May | 71°F / 44°F | 1.3× Busy | 64 Good |
| June | 83°F / 54°F | 2.1× Very busy | 63 Good |
All twelve months at Dinosaur, with the best time to visit.
Seasonal closures in May 2027
The National Park Service lists these Dinosaur facilities as closed during May 2027. The dates are the park's own, read on October 11, 2026. A facility that is not listed here may still be closed, so confirm on the park's site before you go.
- Canyon Visitor Center - Colorado (visitor center): closed until May 15, 2027
Things to do at Dinosaur in May
The National Park Service tags 28 Dinosaur activities for spring. Here are 8 of them. Each links to the park's own page for it.
- Bicycling at Dinosaur
- Drive the Echo Park Road · 1-4 hours
- Drive the Island Park Road · 2-4 hours
- Drive the Yampa Bench Road · 2-6 hours
- Hike the Bull Canyon Trail · 1-5 hours
- Hike the Confluence Trail · 30-120 minutes
- Hike the Plug Hat Trail · 15-45 minutes
- Hike the Ruple Point Trail · 4-12 hours
Frequently Asked Questions
May averages a daytime high near 71°F and an overnight low around 44°F at Dinosaur National Monument, with about 1.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 18.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is busy at Dinosaur National Monument (about 1.3× the average month). Our best-time score rates it "Good" at 64/100. May is our recommended month for this park.
The busiest month is July and the quietest is February. May sits at about 1.3× the park's average, or 11% of annual visitation.
A typical May sees about 34,000 recreation visits at Dinosaur National Monument, based on National Park Service monthly counts from 1979–2025.
Where to stay near Dinosaur in May
Booking a May trip to Dinosaur National Monument? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Dinosaur
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.