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Gunnison County Climate

Gunnison County, Colorado

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec36.8°AVG °F

Avg Annual Temp

36.8°F

Annual Precip

14.5"

Annual Snowfall

88.1"

Extreme Heat Days

1

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.3"
1.2"
1.0"
1.2"
1.1"
0.7"
1.5"
1.7"
1.4"
1.1"
1.0"
1.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

902

Limited to cold-tolerant varieties

Last spring frost (32°F): 06/21
First fall frost (32°F): 09/16

Seasonal Overview

Comfort ZoneSpring26°46°3.3"Summer55°61°3.8"Fall27°51°3.5"Winter11°15°3.9"20°40°60°80°100°

National Comparison

Warmer than 1% of US counties
Wetter than 6% of US counties
More seasonal variation than 81% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Gunnison County

Climate Verdict

Gunnison County has a cold, with an average annual temperature of 36.8°F, arid conditions receiving just 14.5 inches of precipitation annually, rare extreme heat with only 1.34 days above 90°F annually, heavy winter snowfall averaging 88.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 10.7°F. summers are pleasantly cool with July averaging 60.6°F. The 50°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

Gunnison County is 9.0°F cooler than the Colorado statewide average of 45.9°F, the county experiences 25.276034265558067 fewer extreme heat days than the state average.

Climate Profile

About Gunnison County Weather

Gunnison runs 25° colder than America

At 36.8°F annually, Gunnison County ranks among Colorado's coldest regions, running 25 degrees below the U.S. median of 61.7°F. This high-elevation county receives 14.5 inches of precipitation yearly, slightly below the national average of 15.2 inches, making it a true alpine climate zone.

Second-coldest county in Colorado

Gunnison's 36.8°F average places it near the bottom of Colorado's 64 counties, nearly 10 degrees colder than the state average of 46.0°F. Only a handful of higher-elevation mountain counties run colder than Gunnison.

Colder than Hinsdale, milder than Jackson

Gunnison (36.8°F) sits between Jackson County to the north (36.0°F) and Hinsdale County to the south (38.6°F), representing a tight cluster of high-elevation mountain climates. All three counties experience virtually no days above 90°F and heavy winter snowfall, though Hinsdale receives the most snow at 107.7 inches annually.

Brutal winters, cool summers, heavy snow

January averages just 10.7°F while July maxes out at 60.6°F—a 50-degree seasonal swing in a place that rarely sees extreme heat (only 1 day above 90°F per year). Gunnison receives 88.1 inches of snow annually, meaning residents face heavy snowpack from December through March.

Prepare for sustained winter operations

Gunnison residents need industrial-grade snow removal equipment and winter tires year-round, plus well-insulated homes and robust HVAC systems for sub-zero stretches. Summer outdoor planning can happen anytime, but spring and fall transitions arrive unpredictably—layered clothing and emergency kits are essential year-round.

Frequently Asked Questions

What is the average temperature in Gunnison County?
The average annual temperature in Gunnison County, CO is 36.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Gunnison County get?
Gunnison County receives an average of 14.5 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 Gunnison County?
Yes, Gunnison County receives an average of 88.1 inches of snowfall per year according to NOAA climate normals.
How hot does Gunnison County get in summer?
The average summer temperature (June-August) in Gunnison County is 58.1°F. The county experiences an average of 1 days per year above 90°F.
How cold are winters in Gunnison County?
The average winter temperature (December-February) in Gunnison County is 13.2°F. January, typically the coldest month, averages 10.7°F.

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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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