Lafayette County Climate
Lafayette County, Missouri
Avg Annual Temp
54.3°F
Annual Precip
41.9"
Annual Snowfall
13.8"
Extreme Heat Days
31.95
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lafayette County Weather
A Typical Heartland Temperature Profile
Lafayette County aligns closely with the national median with an average annual temperature of 54.3°F. This temperate continental climate provides a balanced experience of all four seasons.
Slightly Cooler Than the Missouri Average
The county sits slightly below the state average temperature of 54.9°F. Its 41.9 inches of annual precipitation also tracks just behind the state mean of 43.8 inches.
Bridging the Gap Between North and South
With 13.8 inches of snow, Lafayette receives less than northern counties like Linn but more than southern Lawrence. It maintains a cooler summer profile than neighbors in the Ozarks.
Sharp Swings from Snow to Sun
Residents face 32 days of extreme heat above 90°F during the 77.6°F July peaks. Winters are cold, averaging 31.4°F with nearly 14 inches of annual snowfall.
Prepare for Humidity and Winter Chill
Efficient HVAC systems are essential to manage the month of extreme heat. Residents should also keep snow removal tools ready for the 13.8 inches of average winter accumulation.
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.