Grundy County Climate
Grundy County, Missouri
Avg Annual Temp
52.1°F
Annual Precip
39.9"
Annual Snowfall
17.2"
Extreme Heat Days
34.400000000000006
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grundy County Weather
A Balanced Continental Profile
Grundy County's 52.1°F annual average temperature mirrors the national median for continental climates. The area receives 39.9 inches of precipitation annually, keeping the landscape productive.
Cooler Temperatures in North Missouri
The county's average temperature of 52.1°F is nearly three degrees lower than the Missouri state average of 54.9°F. This cooler profile is typical for counties located in the state's northern third.
Similar to its Northern Peers
Grundy County shares a similar climate with neighboring Harrison and Gentry counties, characterized by cold winters. Its 17.2 inches of snow is typical for the region but high for the state.
Bracing for Cold Januarys
Winter is prominent here, with an average December-to-February temperature of just 28.0°F. Summer peaks in July at 76.9°F, bringing about 34 days of temperatures exceeding 90°F.
Winter Preparedness is Key
Residents should prepare for 17 inches of snow and January lows of 24.8°F with proper home weatherization. Summertime outdoor activities require planning around the month's worth of 90-degree days.
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.