Wapello County Climate
Wapello County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.7°F
Annual Precip
37.0"
Annual Snowfall
23.6"
Extreme Heat Days
19
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
3,359
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Wapello County
Climate Verdict
Wapello County has a mild, with an average annual temperature of 50.7°F, moderate rainfall of 37.0 inches per year, rare extreme heat with only 19.2 days above 90°F annually, moderate snowfall of 23.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 22.9°F. summers are warm — July averages 75.1°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Wapello County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Wapello County closely matches the Iowa statewide average temperature of 48.0°F.
Climate Profile
About Wapello County Weather
Wapello County's Balanced Continental Profile
Wapello County averages 50.7°F annually, placing it within the standard range for a continental climate. This temperature is slightly cooler than the U.S. median but provides four very distinct seasons.
Consistently Warmer Than the State Average
At 50.7°F, Wapello stays nearly three degrees warmer than the Iowa state average of 48.0°F. Precipitation remains steady at 37.0 inches per year, mirroring the state's typical moisture levels.
Warmer Than Central Iowa Peers
Wapello's 50.7°F average is nearly a full degree warmer than Warren County's 49.9°F. It shares similar winter lows with Van Buren County, though it sees fewer extreme heat days than its southern neighbor.
A Steady Mix of Heat and Snow
Summers reach a July average of 75.1°F with 19 days peaking over 90°F. Winter is defined by 23.6 inches of snowfall and a cold January average of 22.9°F.
Equip for Both Ice and Sun
Residents need reliable snow removal tools for the 23.6 inches of winter accumulation. Because extreme heat days are relatively common, checking attic insulation helps maintain cooling efficiency during July peaks.
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.