Ralls County Climate
Ralls County, Missouri
Avg Annual Temp
55.0°F
Annual Precip
40.1"
Annual Snowfall
—
Extreme Heat Days
36.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Ralls County Weather
Typical Heartfelt Midwestern Weather
Ralls County’s 55.0°F average annual temperature sits just above the national median. This indicates a climate with robust seasonal shifts and standard precipitation levels.
Aligning Closely with Missouri Norms
Ralls is nearly a perfect match for Missouri’s state average temperature of 54.9°F. Its annual precipitation of 40.1 inches is slightly below the state average, making it a relatively dry part of the state.
Stable Conditions in Northeast Missouri
Ralls is slightly warmer than its neighbor Pike County and experiences more extreme heat days. It shares the same humid continental patterns that define the Mississippi River valley region.
Intense Summer Heat Peaks
The county faces a hot summer with 37 days of temperatures over 90°F and a July average of 78.6°F. Winters are cold but manageable, with a December to February average of 31.8°F.
Prepare for Long Summer Stretches
With 37 extreme heat days, residents should ensure their cooling systems are serviced before June. While snowfall data is limited, winter temperatures frequently drop below freezing, requiring home winterization.
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.