Webster County Climate
Webster County, Iowa
Avg Annual Temp
46.5°F
Annual Precip
35.1"
Annual Snowfall
39.0"
Extreme Heat Days
11.1
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Webster County Weather
Webster County's Cold Continental Climate
Webster County's 46.5°F annual average is much cooler than the national median. This reflects its position in the northern reaches of the American Corn Belt.
Cooler and Snowier Than Average
The county's 46.5°F average sits below the Iowa state mark of 48.0°F. It is also drier than the state average, receiving 35.1 inches of precipitation annually.
Warmer Than Far Northern Counties
Webster is warmer than Winnebago County's 44.9°F but significantly colder than southern counties like Wapello. It shares a high-snowfall profile with its northern neighbors.
Short Summers and Long Winters
Winter is intense, with 39.0 inches of annual snowfall and a January average of 16.4°F. Summers are brief, seeing only 11 days of extreme heat over 90°F.
Prioritize Heating and Snow Removal
Residents must prepare for 39 inches of snow with professional-grade removal equipment. High-performance home heating is a necessity given the 16.4°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.