Vernon County Climate
Vernon County, Missouri
Avg Annual Temp
56.1°F
Annual Precip
46.5"
Annual Snowfall
6.4"
Extreme Heat Days
42.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Vernon County Weather
Warm Prairie Winds
Vernon County averages 56.1°F annually, which is warmer than the national median. This western Missouri county sits in a transition zone for heat and moisture.
Warmer Than the State Mean
The county's average temperature of 56.1°F exceeds the state average of 54.9°F. It ranks in the warmer southern half of Missouri's temperature data.
High Heat on the Plains
Vernon sees 42 extreme heat days, significantly more than the state's northern and eastern regions. It also records 46.5 inches of rain, making it wetter than the 43.8-inch Missouri average.
Dry Snow and Hot July
Summers are intense with a July average of 78.5°F and frequent 90°F days. Winters are relatively dry regarding ice and snow, with only 6.4 inches of annual snowfall.
Stay Cool During Long Heatwaves
Energy bills likely peak in summer during the 42 days of extreme heat. Since snow is rare at 6.4 inches, focus winter prep on insulating pipes against the 31.5°F January average.
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.