Allamakee County Climate
Allamakee County, Iowa
Avg Annual Temp
45.7°F
Annual Precip
38.6"
Annual Snowfall
35.3"
Extreme Heat Days
8.35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Allamakee County Weather
Cooler Northern Climate in Allamakee
Allamakee County maintains a cool 45.7°F average, well below the national median. This northeastern county experiences a rugged and cold humid continental climate.
One of Iowa's Coldest Counties
This is one of Iowa's coldest spots, sitting more than two degrees below the state average of 48.0°F. It typically ranks near the bottom for temperature among Iowa's 99 counties.
A Cold and Wet Regional Standout
It is significantly colder than southern counties like Appanoose, which averages 50.1°F. It also receives 38.6 inches of precipitation, which is higher than the state average.
Harsh Winters with Minimal Heat
Winters are harsh with 35.3 inches of snow and January averages of 16.4°F. Conversely, residents only deal with 8 days of extreme heat per year.
Gearing Up for Long Winters
Prioritize heavy-duty winter gear and high-efficiency heating for the long, snowy seasons. Summer cooling needs are minimal compared to the rest of the state.
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.