Lafayette County Climate
Lafayette County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.3°F
Annual Precip
41.9"
Annual Snowfall
13.8"
Extreme Heat Days
32
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,924
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Lafayette County
Climate Verdict
Lafayette County has a mild, with an average annual temperature of 54.3°F, moderately wet with 41.9 inches of annual precipitation, occasional hot days — 31.95 per year above 90°F, light snow averaging 13.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.3°F. summers are warm — July averages 77.6°F. The 49°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Lafayette County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Lafayette County closely matches the Missouri statewide average temperature of 54.9°F.
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 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.