Rocky Mountains

Rocky Mountains Weather & Climate: the United States of America

Climate by month across the Rocky Mountains, the United States of America, average temperatures, rainfall and the best time to visit.

Climate overview of the Rocky Mountains

Whether you're visiting the Rocky Mountains in the United States of America during the peak of July (21°C (70°F)) or the cooler months around December (-1°C (30°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Breckenridge, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In the Rocky Mountains, the months of June, July and August bring pleasant weather, with average temperatures ranging between 19°C (66°F) and 21°C (70°F).

The colder weather is most prominent in the months of January, February, March, April, October, November and December.

When it comes to rainfall, the Rocky Mountains experiences moderate variations in precipitation across the seasons. You can expect around 74 mm (2.9 in) of rain in July, dropping to 21 mm (0.8 in) in June.

Explore the Rocky Mountains by month

Pick a month to see the average temperature, rainfall and sunshine in the Rocky Mountains — and find the best time to visit. (based on Breckenridge)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Breckenridge Park City Estes Park Aspen Bozeman Vail
Day temperature (°C)
Monthly rainfall (mm)

Climate map of the Rocky Mountains

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Breckenridge -1°C (30°F) 21°C (70°F) -14°C (7°F) 6°C (43°F) 605 mm (24 in)
Park City 0°C (32°F) 26°C (79°F) -9°C (16°F) 11°C (52°F) 634 mm (25 in) 2,983 hours
Estes Park 2°C (36°F) 26°C (79°F) -8°C (18°F) 10°C (50°F) 451 mm (18 in)
Aspen 0°C (32°F) 24°C (75°F) -13°C (9°F) 9°C (48°F) 653 mm (26 in)
Bozeman 1°C (34°F) 29°C (84°F) -10°C (14°F) 11°C (52°F) 505 mm (20 in)
Vail -2°C (28°F) 23°C (73°F) -13°C (9°F) 8°C (46°F) 728 mm (29 in)

Places in the Rocky Mountains, the United States of America

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.