Best Time to Visit Dinosaur National Monument

    Month-by-month guide to visiting Dinosaur National Monument. Compare temperatures, rainfall, and safari conditions across all 12 months. View the full Dinosaur National Monument page for wildlife, lodges, and more.

    Best months:
    January
    February
    March
    April
    May
    June
    July
    August
    September
    October
    November
    December
    Jan
    Great-5.87°C30.3mm
    Feb
    Great-5.47°C26mm
    Mar
    Great-0.55°C55.9mm
    Apr
    Great6.18°C23.6mm
    May
    Great13.89°C26.9mm
    Jun
    Excellent21.47°C23mm
    Jul
    Excellent25.9°C7.4mm
    Aug
    Excellent23.95°C25.7mm
    Sep
    Excellent18.91°C23.9mm
    Oct
    Great10.36°C36.2mm
    Nov
    Great1.22°C21.6mm
    Dec
    Great-3.59°C38.4mm
    Great (4-5)
    Good (3)
    Poor (1-2)
    Best month

    Conditions are based on historical weather data from Open-Meteo and wildlife sighting records from GBIF and iNaturalist. Actual conditions may vary by year.