Platte County Climate
Platte County, Missouri
Avg Annual Temp
54.7°F
Annual Precip
39.3"
Annual Snowfall
18.2"
Extreme Heat Days
36.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.