Buena Vista County Climate
Buena Vista County, Iowa
Avg Annual Temp
46.8°F
Annual Precip
32.9"
Annual Snowfall
35.2"
Extreme Heat Days
10.65
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.