Dinosaur's climate is semiarid with temperatures averaging between 0°F to 30°F in January and 50°F to 100°F in July. Elevations within the park vary between 4,700 and 9,000 feet. Winter snow makes roads at higher elevations impassable while only light to moderate snow is found at lower elevations. Summer thunderstorms often cause heavy downpours and localized flooding, but may fail to dampen parched soils less than a mile away.
National Weather Service forecast for towns near Dinosaur National Monument:
Monthly temperature and precipitation averages from the Western
Did You Know?
Mormon crickets are wingless grasshoppers that swarm across roads through the summer in the western United States. These flightless insects can form such large swarms that the road appears to move and change colors where they cross.