Best Time to Visit Dinosaur National Monument
MayBest month to visit
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Visit Dinosaur in May
May offers best overall balance of crowds, weather and daylight. For comparison, July is the most crowded month (~2.5× the average month) and February is the quietest.
Annual visits
316K
2025
Busiest month
Jul
2.5× avg
Quietest month
Feb
0.1× avg
10-yr trend
rising
+12.6%
More photos of Dinosaur
Photos courtesy of the National Park Service (public domain).
How crowded is Dinosaur by month?
Relative crowd level by month (1.0 = the park's average month), from NPS visitation records 1979–2025.
Month-by-month crowd, weather & daylight
| Month | Crowd level | Best-time score | Avg high / low | Daylight |
|---|---|---|---|---|
| January | Very quiet | 42 Poor | 31°F / 14°F | 9.4 h |
| February | Very quiet | 45 Fair | 37°F / 20°F | 10.4 h |
| March | Very quiet | 56 Fair | 50°F / 29°F | 11.7 h |
| April | Quiet | 62 Good | 60°F / 35°F | 13.1 h |
| May★ best | Busy | 64 Good | 71°F / 44°F | 14.3 h |
| June | Very busy | 62 Good | 83°F / 54°F | 14.9 h |
| July | Very busy | 48 Fair | 91°F / 61°F | 14.6 h |
| August | Very busy | 54 Fair | 88°F / 59°F | 13.6 h |
| September | Busy | 64 Good | 77°F / 50°F | 12.3 h |
| October | Average | 56 Fair | 61°F / 39°F | 10.9 h |
| November | Very quiet | 47 Fair | 45°F / 27°F | 9.7 h |
| December | Very quiet | 41 Poor | 32°F / 16°F | 9.1 h |
Climate normals (1991–2020) from the nearest NOAA station (USW00094082, ~18.2 mi away).
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About visiting Dinosaur
Dinosaur National Monument is a National Monument in CO, UT and a relatively quiet park, drawing about 316,000 recreation visits in 2025. Visitation has climbed over the past decade, up roughly 12.6%, so crowds are trending heavier each year. Crowds concentrate sharply by season: July is the busiest month at about 2.5× the park's average month, while February is the calmest at roughly 0.1× — a 16-to-1 swing between high and low season. Roughly 56% of the year's visitors arrive in the three summer months of June, July and August alone, so timing a trip outside that window is the single biggest lever on how crowded the park feels. Weather swings from an average high-season warmth near 76°F in July down to about 22°F in January, with the wettest stretch in September. About 5 months a year see comfortable average temperatures in the 50–80°F range, which is part of why crowd timing and weather timing don't always line up. The sweet spot is May: best overall balance of crowds, weather and daylight. Visit then and you trade a little peak-season certainty for noticeably shorter lines and easier parking than the July rush. Daylight ranges from about 9.1 hours in midwinter to 14.9 hours near the summer solstice, which shapes how much ground you can cover in a day. A standard private-vehicle entrance pass runs about $25, valid for several days, so a shoulder-season trip stretches that fee across quieter, more comfortable days. These crowd figures are drawn from 1979–2025 of National Park Service visitor-use records, paired with 1991–2020 NOAA climate normals, and are updated as new monthly data is released.
Park overview
150 million years ago, dinosaurs roamed here. Their fossils are still embedded in the rocks. Today, mountains, desert, and rivers flowing in canyons support a variety of life. Petroglyphs reveal the lives and connections of Indigenous people to this land. Homesteaders and outlaws found refuge here. Whether your passion is science, adventure, history, or scenery, Dinosaur offers much to explore.
Weather & conditions
Dinosaur's climate is semiarid with temperatures averaging between 0°F to 30°F in January and 50°F to 100°F in July. Extreme winter low temperatures may reach -40°F and summer highs can top 110°F. Elevations within the park vary between 4,700 and 9,000 feet. Winter snow may be heavy at higher elevations while only light to moderate snow is found at lower elevations. Summer thunderstorms may cause heavy downpours and localized flooding, but fail to dampen parched soils less than a mile away.
Park overview text courtesy of the National Park Service — official park site.
Where to stay near Dinosaur
Hotels, cabins, lodges and vacation rentals near Dinosaur National Monument — live availability and prices to plan your trip. May is our pick for the best balance of light crowds and good weather.
Top-rated places to stay near Dinosaur
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Getting to Dinosaur
The nearest airport is Grand Junction Regional Airport (GJT), about 169 mi (6 hr 25 min drive) away. Most visitors reach Dinosaur by car.
Entrance fees
A standard private-vehicle entrance pass is about $25, typically valid for several days.
Frequently Asked Questions
May offers best overall balance of crowds, weather and daylight at Dinosaur National Monument. The park is busiest in July (about 2.5× the average month) and quietest in February.
July is the busiest month at Dinosaur National Monument, running roughly 2.5 times the park's average monthly visitation.
February is the quietest month at Dinosaur National Monument, at about 0.1× the average month — a good choice if you want to avoid crowds.
Dinosaur National Monument recorded about 315,725 recreation visits in 2025. Visitation has been rising over the past decade (+12.6%).
Based on 1991–2020 climate normals, the warmest month at Dinosaur National Monument averages about 76°F (July). See the month-by-month table above for the full picture.
Grand Junction Regional Airport (GJT) is the closest airport to Dinosaur National Monument, about 169 mi (6 hr 25 min drive) away.
Nearby parks to visit
Keep exploring
Water quality of lakes near Dinosaur
If you are planning to swim, paddle or fish on this trip, these graded lakes are within a 40-mile drive. Grades are A–F from EPA and state-agency sampling.
- Red Fleet Reservoir water qualityGrade A · 27 mi · UT
- Steinaker Reservoir water qualityGrade A · 31 mi · UT
- Flaming Gorge Lake water qualityGrade A · 39 mi · UT
- Calder Reservoir water qualityGrade C · 21 mi · UT
- Matt Warner Reservoir water qualityGrade C · 26 mi · UT
Sources: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI U.S. Climate Normals 1991–2020. Crowd index = a month's visits ÷ the park's average month.