Average temperatures in and around Rocky Mountain National Park range from well below zero to the upper 80s depending on season and elevation. The resources on this page can help you plan your trip, but remember that mountain weather is unpredictable, and you should always be prepared for storms.
Estes Park is located at the northeast edge of Rocky Mountain National Park at 7,500 feet (2,286 meters) above sea level. It receives approximately 13-14" of precipitation per year.
|Estes Park, CO||Jan||Feb||Mar||Apr||May||Jun||Jul||Aug||Sept||Oct||Nov||Dec|
|Avg Max Temp (F)||38.4||40.6||44.9||53.5||62.4||72.6||78.3||76.5||70||60.1||46.3||39.7|
|Avg Min Temp (F)||16.3||17.3||20.7||27||34.5||41.1||46.1||44.6||37.7||30.1||22.8||17.6|
|Avg Total Precipitation (in)||0.37||0.45||0.87||1.29||2.03||1.77||2.23||1.9||1.18||0.82||0.61||0.48|
|Avg Total Snowfall (in)||3.8||6.3||8.6||4||0.5||0.1||0||0||0.5||1||3.7||5.5|
Grand Lake is located at the southwest edge of Rocky Mountain National Park at 8,300 feet (2,529 meters) above sea level. It receives approximately 20" of precipitation per year.
|Grand Lake, CO||Jan||Feb||Mar||Apr||May||Jun||Jul||Aug||Sept||Oct||Nov||Dec|
|Avg Max Temp (F)||27.1||31||38.2||47.8||59.2||69.3||74.9||72.9||66.3||55.4||39.3||29.4|
|Avg Min Temp (F)||0.7||1.9||10.2||20.4||29.5||36.1||41.7||40.7||33.5||24.9||15.6||5.5|
|Avg Total Precipitation (in)||1.02||0.8||0.96||1.18||1.41||1.29||1.56||1.66||1.29||0.94||0.9||0.98|
|Avg Total Snowfall (in)||16.1||12.6||13.4||8.5||2.3||0.4||0||0||1.2||2.1||9.4||16.8|
Many visitors come to Rocky Mountain National Park specifically to drive over the famous Trail Ridge Road. Topping out at 12,183 feet (3713 meters), the road is the highest continuous paved highway in the United States. If you are planning to make the drive, make sure to bring warm clothing no matter what the temperature is at lower elevations. It has snowed on Trail Ridge Road during every month of the year. The road closes at the higher elevations from mid October until Memorial weekend.
Colorado publishes an excellent page of up-to-date winter weather and avalanche information for the Front Range backcountry, including Rocky Mountain National Park and Mount Evans. Forecasts for surrounding communites provide a good guide but note that most of the Park is substantially higher than Estes Park and Grand Lake, and so temperatures are generally lower.