Platte County Climate
Platte County, Wyoming
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.2°F
Annual Precip
14.8"
Annual Snowfall
51.2"
Extreme Heat Days
36
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,331
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Platte County
Climate Verdict
Platte County has a cool, averaging 47.2°F annually, arid conditions receiving just 14.8 inches of precipitation annually, occasional hot days — 36.233333333333334 per year above 90°F, moderate snowfall of 51.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.2°F. summers are warm — July averages 71.3°F. The 44°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
Platte County is 3.3°F warmer than the Wyoming statewide average of 43.8°F.
Climate Profile
About Platte County Weather
A Warmer Pocket of the West
Platte County averages 47.2°F annually, which is cool compared to the national median but warm for its latitude. It receives 14.8 inches of precipitation, making it a typical semi-arid High Plains environment.
Wyoming's Warmest County in Sample
At 47.2°F, Platte County is 3.4 degrees warmer than the state average of 43.8°F. It stands out as one of the most temperate regions in a state known for its harsh cold.
Warmer than the Southern Border
Platte County is slightly warmer than Laramie County to the south (46.7°F) and Niobrara County to the north (46.5°F). It enjoys a relatively low elevation that moderates its annual temperature.
Intense Summers and Brisk Winters
The county faces 36 days of extreme heat annually, with July averages reaching 71.3°F. Winter remains a factor with 51.2 inches of snow and January temperatures averaging 27.2°F.
Prepare for Both Extremes
Residents need versatile home systems to handle 36 days of 90-degree heat and 51 inches of winter snow. The 44-degree swing between summer and winter averages requires robust heating and cooling solutions.
Frequently Asked Questions
What is the average temperature in Platte County?
How much rain does Platte County get?
Does it snow in Platte County?
How hot does Platte County get in summer?
How cold are winters in Platte County?
Track your own weather in Platte County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.