Platte County Climate
Platte County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.7°F
Annual Precip
39.3"
Annual Snowfall
18.2"
Extreme Heat Days
36
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,025
Excellent for heat-loving 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 mild, with an average annual temperature of 54.7°F, moderate rainfall of 39.3 inches per year, occasional hot days — 36.3 per year above 90°F, light snow averaging 18.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.0°F. summers are warm — July averages 78.2°F. The 49°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Platte County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Platte County closely matches the Missouri statewide average temperature of 54.9°F, it is somewhat drier than average for Missouri.
Climate Profile
About Platte County Weather
Moderate Temperatures with Midwestern Extremes
Platte County averages 54.7°F annually, slightly outpacing the national median. It is characterized by its humid continental climate which brings a wide range of seasonal variability.
Typical of Missouri's Thermal Core
The county’s 54.7°F average is nearly identical to the Missouri state average of 54.9°F. While its precipitation is slightly lower than the state norm, its 18.2 inches of snowfall is relatively high for the region.
Snowy Influence on the Kansas Border
Platte experiences more snowfall than its eastern neighbor Clay, receiving 18.2 inches annually. It is also slightly warmer and wetter than the more northern Putnam County.
Hot July Peaks and Snowy Januaries
Summers are hot with 36 days of 90°F+ temperatures and a July average of 78.2°F. Winter is defined by 18.2 inches of snow and a Dec-Feb average that stays just below freezing at 31.9°F.
Prepare for Snow Removal and Cooling
Residents should keep snow blowers ready to manage nearly 20 inches of annual accumulation. Energy-efficient windows can help manage costs during the 36 annual days of extreme heat.
Frequently Asked Questions
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Track your own weather in Platte 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.