Buena Vista County Climate
Buena Vista County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.8°F
Annual Precip
32.9"
Annual Snowfall
35.2"
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,842
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Buena Vista County
Climate Verdict
Buena Vista County has a cool, averaging 46.8°F annually, moderate rainfall of 32.9 inches per year, rare extreme heat with only 10.65 days above 90°F annually, moderate snowfall of 35.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 17.0°F. summers are warm — July averages 72.5°F. Residents experience a substantial 56°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Buena Vista County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Buena Vista County closely matches the Iowa statewide average temperature of 48.0°F, it is somewhat drier than average for Iowa.
Climate Profile
About Buena Vista County Weather
Lower Temperatures in Northwest Iowa
Buena Vista County averages 46.8°F annually, trailing the national median temperature of 53°F. The local climate is defined by long, cold winters and moderate, humid summers.
Colder and Drier than Average
The county sits 1.2 degrees below the state average temperature of 48.0°F. It also receives 3.2 inches less precipitation than the state average of 36.1 inches, marking it as a drier region of Iowa.
Typical Regional Climate Profiles
Buena Vista is slightly warmer than neighboring Buchanan County but remains cooler than the central Iowa average. Its 35.2 inches of annual snowfall is typical for the northwestern part of the state.
Snowy Winters and Brief Heat
January is cold with a 17.0°F average, contributing to an annual snowfall of 35.2 inches. July brings an average of 72.5°F, though the county only faces 11 days per year above 90°F.
Winter Resilience is Key
Significant snowfall requires residents to keep winter emergency kits in their vehicles at all times. Homeowners should ensure proper insulation to manage the 20.4°F average winter temperatures effectively.
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.