Woodbury County Climate
Woodbury County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.5°F
Annual Precip
30.8"
Annual Snowfall
36.0"
Extreme Heat Days
25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
3,077
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Woodbury County
Climate Verdict
Woodbury County has a cool, averaging 48.5°F annually, moderate rainfall of 30.8 inches per year, occasional hot days — 24.6 per year above 90°F, moderate snowfall of 36.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 20.0°F. summers are warm — July averages 74.2°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Woodbury County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Woodbury County closely matches the Iowa statewide average temperature of 48.0°F, it is also noticeably drier, receiving 5.3 inches less precipitation than the state average.
Climate Profile
About Woodbury County Weather
Woodbury County Trails National Temperature Medians
Woodbury's average annual temperature of 48.5°F sits several degrees below the national median. The county experiences a classic humid continental climate characterized by significant seasonal shifts.
Slightly Warmer than the Iowa Average
At 48.5°F, Woodbury is slightly warmer than the Iowa state average of 48.0°F. However, its 30.8 inches of annual precipitation is noticeably lower than the state benchmark of 36.1 inches.
A Drier and Hotter Western Iowa Outlook
Compared to more humid eastern neighbors, Woodbury experiences a drier environment with 25 extreme heat days annually. While many Iowa counties see higher rainfall, Woodbury averages only 30.8 inches per year.
Intense Summers and Brisk Winters
July brings an average temperature of 74.2°F, while January plunges to a cold 20.0°F. The county receives 36.0 inches of annual snowfall, marking a significant winter presence.
Prepare for Heat Waves and Heavy Snow
Residents must maintain efficient cooling systems to handle 25 days of heat over 90°F. Reliable snow removal tools are essential for managing the 36-inch annual snowfall 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.