Allamakee County Climate
Allamakee County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.7°F
Annual Precip
38.6"
Annual Snowfall
35.3"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,604
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Allamakee County
Climate Verdict
Allamakee County has a cool, averaging 45.7°F annually, moderate rainfall of 38.6 inches per year, rare extreme heat with only 8.35 days above 90°F annually, moderate snowfall of 35.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 16.4°F. summers are warm — July averages 71.7°F. Residents experience a substantial 55°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Allamakee County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Allamakee County closely matches the Iowa statewide average temperature of 48.0°F, it is somewhat wetter than average for Iowa.
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 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.