Barton County Climate
Barton County, Missouri
Avg Annual Temp
56.3°F
Annual Precip
47.3"
Annual Snowfall
7.3"
Extreme Heat Days
40.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Barton County Weather
A Warm and Wet Gateway
Barton County is significantly warmer than the national median, averaging 56.3°F annually. It is also a very wet county, receiving 47.3 inches of precipitation every year.
Well Above the State Average
Barton stays 1.4 degrees warmer than the Missouri average of 54.9°F. This reflects its southern location, which avoids the harshest cold from the northern plains.
Leading the Region in Heat
While it shares a similar average temperature with Barry County, Barton faces 40 extreme heat days annually. This is significantly more than its neighbors to the east.
Forty Days of Extreme Heat
Summers are intense, with 40 days per year reaching 90°F or higher and a July average of 78.1°F. Winters are light on snow, averaging only 7.3 inches annually.
Strategies for High Heat
Residents must prepare for a long summer season with robust cooling and hydration strategies. The high annual rainfall also makes gutter maintenance and roof care essential.
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.