Buchanan County Climate
Buchanan County, Missouri
Avg Annual Temp
53.7°F
Annual Precip
34.8"
Annual Snowfall
—
Extreme Heat Days
39.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Buchanan County Weather
Tracking the National Average
With an annual average of 53.7°F, Buchanan County tracks very close to the national median temperature. It features the classic four-season cycle common in the American heartland.
Cooler and Drier Than Missouri Norms
The county runs over a degree cooler than the Missouri state average of 54.9°F. Its 34.8 inches of annual rain is significantly lower than the state average of 43.8 inches.
Northwest Missouri Weather Patterns
Buchanan shares a similar temperature profile with Carroll County to the east. However, its 34.8 inches of rain makes it much drier than the more central regions of the state.
Brisk Winters and Hot July Days
Summers reach a July average of 77.7°F with 39 days of extreme heat annually. While official snowfall data is limited, the 30.1°F winter average ensures plenty of freezing conditions.
Prioritize Insulation and Summer Cooling
Homeowners should focus on winter insulation for temperatures that average nearly 5 degrees colder than the state norm. Summer planning must account for 39 days of temperatures topping 90°F.
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.