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Park County Climate

JanFebMarAprMayJunJulAugSepOctNovDec42.4°AVG °F

Avg Annual Temp

42.4°F

Annual Precip

13.8"

Annual Snowfall

54.3"

Extreme Heat Days

11

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.7"
0.9"
1.3"
2.1"
1.8"
1.0"
0.9"
1.2"
1.3"
1.0"
0.8"
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

1,555

Favors cool-season crops

Last spring frost (32°F): 05/27
First fall frost (32°F): 09/25

Seasonal Overview

Comfort ZoneSpring33°49°4.3"Summer58°66°3.7"Fall31°55°3.4"Winter22°24°2.3"20°40°60°80°100°

National Comparison

Warmer than 6% of US counties
Wetter than 5% of US counties
More seasonal variation than 49% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Park County

Climate Verdict

Park County has a cool, averaging 42.4°F annually, arid conditions receiving just 13.8 inches of precipitation annually, rare extreme heat with only 11.22307692307692 days above 90°F annually, moderate snowfall of 54.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 22.9°F. summers are pleasantly cool with July averaging 65.7°F. The 43°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

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

Regional Context

Park County closely matches the Wyoming statewide average temperature of 43.8°F.

Climate Profile

About Park County Weather

Chilly Gateway to the Mountains

Park County averages a cool 42.4°F annually, falling more than 10 degrees below the national median temperature. It is a classic semi-arid mountain climate with only 13.8 inches of annual precipitation.

Cooler than the Wyoming Median

Park County’s 42.4°F average is 1.4 degrees lower than the statewide average of 43.8°F. The high elevation of the Absaroka and Beartooth ranges keeps the regional climate consistently brisk.

A Cold Spot in the North

Park County is significantly colder than neighboring Hot Springs County, which averages 45.6°F. It maintains a climate profile more similar to the high mountain counties of the western border.

Mild Summers and Snowy Winters

The area enjoys mild summers with only 11 days of extreme heat and a July average of 65.7°F. Winters are the main event, featuring 54.3 inches of snow and average December-February temperatures of 23.3°F.

Winterize for the Long Haul

With over 50 inches of snow and very few hot days, residents should prioritize home insulation and high-quality winter tires. Summer cooling is less of a concern, as temperatures rarely exceed 90°F.

Frequently Asked Questions

What is the average temperature in Park County?
The average annual temperature in Park County, WY is 42.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Park County get?
Park County receives an average of 13.8 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 54.3 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 62.6°F. The county experiences an average of 11 days per year above 90°F.
How cold are winters in Park County?
The average winter temperature (December-February) in Park County is 23.3°F. January, typically the coldest month, averages 22.9°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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