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Park County Climate

JanFebMarAprMayJunJulAugSepOctNovDec38.2°AVG °F

Avg Annual Temp

38.2°F

Annual Precip

13.9"

Annual Snowfall

66.0"

Extreme Heat Days

0

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.5"
0.5"
0.9"
1.3"
1.6"
1.3"
2.4"
2.3"
1.3"
0.9"
0.5"
0.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5b

Minimum winter temperature range for plant survival

Growing Degree Days

797

Limited to cold-tolerant varieties

Last spring frost (32°F): 06/16
First fall frost (32°F): 09/09

Seasonal Overview

Comfort ZoneSpring29°45°3.8"Summer54°60°5.9"Fall29°51°2.7"Winter19°21°1.5"20°40°60°80°100°

National Comparison

Warmer than 1% of US counties
Wetter than 6% of US counties
More seasonal variation than 39% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Park County

Climate Verdict

Park County has a cold, with an average annual temperature of 38.2°F, arid conditions receiving just 13.9 inches of precipitation annually, rare extreme heat with only 0.1 days above 90°F annually, heavy winter snowfall averaging 66.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 18.9°F. summers are cool, with July averaging only 59.5°F. The 41°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Park County is 7.7°F cooler than the Colorado statewide average of 45.9°F, it is somewhat drier than average for Colorado, the county experiences 26.516034265558066 fewer extreme heat days than the state average.

Climate Profile

About Park County Weather

Park is Colorado's coldest, mountain-locked county

Park County's 38.2°F annual temperature ranks as Colorado's coldest and sits 9.3°F below the U.S. median of 47.5°F. Its 13.9 inches of precipitation fall short of the national average, but elevation-driven snowfall dominates, making it an extreme high-altitude environment.

Single coldest county in all Colorado

At 38.2°F, Park County registers as Colorado's coldest county by a significant margin, running 7.8°F below the state average of 46.0°F. Only Pitkin County approaches its freeze profile, and both dominate Colorado's alpine climate tier.

Frigid fortress among Colorado's mountains

Park (38.2°F) sits 6.3°F colder than Ouray (44.5°F) and 14.8°F colder than Montezuma (48.8°F), making it a true polar outpost. Its elevation and mountain positioning create unmatched cold intensity within the state's already-chilly county network.

Zero extreme heat days, brutal winters, relentless snow

Park County records zero days above 90°F annually—the only Colorado county with this distinction—while summer averages just 57.0°F. Winter plummets to 19.6°F with 66.0 inches of snow, creating a perpetual deep-freeze environment above 10,000 feet.

Survival-grade heating and constant snow prep

Residents must maintain industrial heating systems designed for sub-zero temperatures and 66+ inches of annual snowfall. Outdoor living ceases in winter; summer recreation windows are narrow and weather-dependent, making season-specific equipment and emergency preparedness absolute necessities.

Frequently Asked Questions

What is the average temperature in Park County?
The average annual temperature in Park County, CO is 38.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Park County get?
Park County receives an average of 13.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Park County?
Yes, Park County receives an average of 66.0 inches of snowfall per year according to NOAA climate normals.
How hot does Park County get in summer?
The average summer temperature (June-August) in Park County is 57.0°F. The county experiences an average of 0 days per year above 90°F.
How cold are winters in Park County?
The average winter temperature (December-February) in Park County is 19.6°F. January, typically the coldest month, averages 18.9°F.

Track your own weather in Park County

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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