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Crook County Climate

JanFebMarAprMayJunJulAugSepOctNovDec44.3°AVG °F

Avg Annual Temp

44.3°F

Annual Precip

20.2"

Annual Snowfall

51.1"

Extreme Heat Days

22

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
1.0"
1.3"
2.3"
3.2"
2.9"
2.2"
1.6"
1.3"
1.9"
1.0"
0.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

4b

Minimum winter temperature range for plant survival

Growing Degree Days

2,055

Favors cool-season crops

Last spring frost (32°F): 05/22
First fall frost (32°F): 09/25

Seasonal Overview

Comfort ZoneSpring34°51°6.9"Summer62°70°6.7"Fall33°58°4.2"Winter23°24°2.5"20°40°60°80°100°

National Comparison

Warmer than 11% of US counties
Wetter than 15% of US counties
More seasonal variation than 69% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Crook County

Climate Verdict

Crook County has a cool, averaging 44.3°F annually, semi-arid conditions with only 20.2 inches of annual precipitation, occasional hot days — 22.133333333333336 per year above 90°F, moderate snowfall of 51.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 22.6°F. summers are pleasantly cool with July averaging 69.6°F. The 47°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

Crook County closely matches the Wyoming statewide average temperature of 43.8°F, it is also noticeably wetter, receiving 6.4 inches more precipitation than the state average.

Climate Profile

About Crook County Weather

Cooler and Wetter than Regional Norms

Crook County averages 44.3°F annually, which is about 10 degrees cooler than the national median. However, its 20.2 inches of precipitation is high for the region, though still below the national average.

One of Wyoming's Wettest Counties

Crook County receives 20.2 inches of precipitation annually, far exceeding the state average of 13.9 inches. Its 44.3°F temperature is also slightly higher than the state average.

Higher Moisture than Neighboring Campbell

Crook County is significantly wetter than Campbell County, receiving over 5 inches more annual precipitation. It also experiences fewer extreme heat days, with 22 compared to Campbell's 33.

Lush Summers and Steady Snowfall

The county sees 22 days of extreme heat above 90°F and a mild summer average of 66.4°F. Winters are cold and snowy, with 51.1 inches of annual snowfall and a January average of 22.6°F.

Manage Moisture and Winter Snow

Because Crook is wetter than most of Wyoming, residents should ensure proper home drainage and moisture barriers. Winter preparedness is also key to managing the 51.1 inches of snow.

Frequently Asked Questions

What is the average temperature in Crook County?
The average annual temperature in Crook County, WY is 44.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Crook County get?
Crook County receives an average of 20.2 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 Crook County?
Yes, Crook County receives an average of 51.1 inches of snowfall per year according to NOAA climate normals.
How hot does Crook County get in summer?
The average summer temperature (June-August) in Crook County is 66.4°F. The county experiences an average of 22 days per year above 90°F.
How cold are winters in Crook County?
The average winter temperature (December-February) in Crook County is 23.4°F. January, typically the coldest month, averages 22.6°F.

Track your own weather in Crook 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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