Buena Vista County Climate

Buena Vista County, Iowa

JanFebMarAprMayJunJulAugSepOctNovDec46.8°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.9"
1.8"
3.6"
4.5"
5.2"
3.6"
4.4"
3.2"
2.5"
1.6"
1.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring34°59°9.8"Summer70°73°13.2"Fall35°63°7.2"Winter17°23°2.6"20°40°60°80°100°

National Comparison

Warmer than 19% of US counties
Wetter than 30% of US counties
More seasonal variation than 88% of US counties

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

What is the average temperature in Buena Vista County?
The average annual temperature in Buena Vista County, IA is 46.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Buena Vista County get?
Buena Vista County receives an average of 32.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Buena Vista County?
Yes, Buena Vista County receives an average of 35.2 inches of snowfall per year according to NOAA climate normals.
How hot does Buena Vista County get in summer?
The average summer temperature (June-August) in Buena Vista County is 70.7°F. The county experiences an average of 10.65 days per year above 90°F.
How cold are winters in Buena Vista County?
The average winter temperature (December-February) in Buena Vista County is 20.4°F. January, typically the coldest month, averages 17.0°F.

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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.

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