Guthrie County Climate
Guthrie County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.4°F
Annual Precip
37.1"
Annual Snowfall
—
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
3,044
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Guthrie County
Climate Verdict
Guthrie County has a cool, averaging 48.4°F annually, moderate rainfall of 37.1 inches per year, occasional hot days — 20.5 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.6°F. summers are warm — July averages 74.1°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Guthrie County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Guthrie County closely matches the Iowa statewide average temperature of 48.0°F.
Climate Profile
About Guthrie County Weather
A moderate Midwestern temperature profile
Guthrie County’s 48.4°F annual average is slightly warmer than many of its northern peers but remains below the national median. It receives a healthy 37.1 inches of annual precipitation.
Typical Iowa warmth and rain
Guthrie County is slightly warmer than the state average of 48.0°F. Its 37.1 inches of annual precipitation also exceeds the Iowa state average of 36.1 inches.
Milder than the northern tier
The county is significantly warmer than Hamilton County, which sits at 46.1°F. It experiences 21 days of extreme heat, similar to its neighbor Greene County's 19 days.
Warm summers and cold Januaries
July averages 74.1°F, and the county sees 21 days of extreme heat above 90°F. While specific snowfall data is limited, the January average of 19.6°F indicates cold, snowy winters.
Focus on summer cooling needs
High summer temperatures require reliable air conditioning, especially during the 21 days of extreme heat. Homeowners should also prepare for winter lows that average 23.0°F across the season.
Frequently Asked Questions
What is the average temperature in Guthrie County?
How much rain does Guthrie County get?
How hot does Guthrie County get in summer?
How cold are winters in Guthrie County?
Track your own weather in Guthrie County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.