Linn County Climate
Linn County, Missouri
Avg Annual Temp
52.7°F
Annual Precip
40.6"
Annual Snowfall
18.9"
Extreme Heat Days
24.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Linn County Weather
Cooler Temperatures on the Northern Plains
Linn is notably cooler than the national median at 52.7°F. This northern Missouri county experiences a pronounced continental climate with long winters.
A Cooler and Drier Northern Profile
It is significantly cooler than the 54.9°F state average and receives less rain than the state mean. It represents the cooler, drier characteristics of North Missouri.
Among the Highest Snowfall Totals
Linn sees 18.9 inches of annual snowfall, which is among the highest in the region. It experiences 11 fewer extreme heat days than Lafayette to its south.
Long Winters and Mild Summers
Winter is the dominant season, with temperatures averaging 29.4°F and nearly 19 inches of snow. Summer is mild, with only 25 days reaching 90°F.
Focus on Efficient Winter Heating
Prioritize high-efficiency heating and reliable snow removal equipment for the snowy winter months. Summer cooling is less of a financial burden here than in the south.
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.