Webster County Climate
Webster County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.5°F
Annual Precip
35.1"
Annual Snowfall
39.0"
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,777
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Webster County
Climate Verdict
Webster County has a cool, averaging 46.5°F annually, moderate rainfall of 35.1 inches per year, rare extreme heat with only 11.1 days above 90°F annually, moderate snowfall of 39.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 16.4°F. summers are warm — July averages 72.4°F. Residents experience a substantial 56°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Webster County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Webster County closely matches the Iowa statewide average temperature of 48.0°F.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.