Macon County Climate
Macon County, Missouri
Avg Annual Temp
53.9°F
Annual Precip
41.9"
Annual Snowfall
—
Extreme Heat Days
35.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Macon County Weather
Stable National Temperature Average
Macon is very close to the national median with an annual average of 53.9°F. This creates a balanced, though often volatile, Midwestern climate.
Tracking Closely with Missouri Norms
It sits just one degree below the state average temperature of 54.9°F. Its 41.9 inches of rain tracks slightly behind the Missouri average of 43.8 inches.
Regional Variation in Summer Heat
Macon records 36 extreme heat days, which is higher than Linn's 25 but lower than Lincoln's 42. Local snowfall data is limited, though neighbors suggest moderate accumulation.
Warm Summers and Chilly Winters
Summers are warm with 36 days reaching 90°F and a July average of 77.8°F. Winter temperatures dip to a 30.4°F average, creating a sharp seasonal contrast.
Cooling Solutions for Hot Summers
Focus on cooling solutions for the 36 extreme heat days that define the summer season. Residents should also prepare for winter lows that average around 30.4°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.