Best Time to Visit Rocky Mountain National Park
Month-by-month guide to visiting Rocky Mountain National Park. Compare temperatures, rainfall, and safari conditions across all 12 months. View the full Rocky Mountain National Park page for wildlife, lodges, and more.
Best months:
January
February
March
April
May
June
July
August
September
October
November
December
JanGreat-8.81°C52.2mm
FebGreat-9.16°C53.3mm
MarGreat-5.83°C71.6mm
AprGreat-2.53°C67.7mm
MayGreat2.68°C101.8mm
JunGreat9.6°C80.2mm
JulGreat12.92°C96.5mm
AugGreat12.59°C88.9mm
SepGreat9.02°C46mm
OctGreat2.55°C33.1mm
NovGreat-4.71°C33.9mm
DecGreat-7.4°C51.8mm
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.