Fayette County Climate
Fayette County, Iowa
Avg Annual Temp
46.3°F
Annual Precip
37.9"
Annual Snowfall
40.2"
Extreme Heat Days
7.733333333333334
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Fayette County Weather
A classic Midwestern continental climate
Fayette County averages 46.3°F annually, which is significantly cooler than the national median. This humid continental region experiences wide temperature swings and receives 37.9 inches of precipitation per year.
Cooler than the Iowa average
The county's 46.3°F annual average sits nearly two degrees below the state average of 48.0°F. While colder on average, its 37.9 inches of rain makes it wetter than the typical Iowa county.
Colder and snowier than western neighbors
Fayette is notably colder than Floyd County, which averages 46.5°F. It also sees more winter precipitation, with 40.2 inches of snow compared to Floyd’s 37.5 inches.
Harsh winters and mild summers
Winters are intense with a January average of 16.4°F and 40.2 inches of annual snowfall. Summers remain relatively comfortable, averaging only 8 days per year where temperatures reach or exceed 90°F.
Prioritize winter home prep
Residents should invest in high-efficiency heating systems to handle the 19.8°F winter average. Heavy-duty snow removal equipment is a necessity given the high 40.2-inch annual snowfall.
Frequently Asked Questions
What is the average temperature in Fayette County?
How much rain does Fayette County get?
Does it snow in Fayette County?
How hot does Fayette County get in summer?
How cold are winters in Fayette County?
Track your own weather in Fayette County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.