Jones County Climate
Jones County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.0°F
Annual Precip
40.1"
Annual Snowfall
—
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,766
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Jones County
Climate Verdict
Jones County has a cool, averaging 47.0°F annually, moderately wet with 40.1 inches of annual precipitation, rare extreme heat with only 12.6 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 17.8°F. summers are warm — July averages 72.3°F. Residents experience a substantial 55°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Jones County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Jones County closely matches the Iowa statewide average temperature of 48.0°F, it is somewhat wetter than average for Iowa.
Climate Profile
About Jones County Weather
Cooler and Wetter than Median
Jones County averages 47.0°F annually, making it one of the cooler areas relative to the national median. It is a damp region, receiving a significant 40.1 inches of annual precipitation.
Iowa's Rainier Northeast Corner
The county is cooler than the 48.0°F Iowa average and much wetter than the state's 36.1-inch rainfall norm. It stands out for having 40.1 inches of precipitation annually.
A Cooler Regional Neighbor
Jones is more than one degree cooler on average than Jackson County to its east. While snowfall data is limited, its high precipitation suggests a very active winter weather pattern.
Mild Summers and Crisp Winters
Summer averages are a comfortable 70.4°F with only 13 days of extreme heat over 90°F. Winters are sharp, with the temperature averaging 21.4°F from December through February.
Manage Moisture and Winter Cold
Because the county receives 40 inches of precipitation, basement waterproofing and roof maintenance are vital. The low heat-day count means summer cooling costs may be lower than neighbors.
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.