Potter County Climate
Potter County, South Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.3°F
Annual Precip
20.2"
Annual Snowfall
38.7"
Extreme Heat Days
20
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,518
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Potter County
Climate Verdict
Potter County has a cool, averaging 44.3°F annually, semi-arid conditions with only 20.2 inches of annual precipitation, occasional hot days — 20.4 per year above 90°F, moderate snowfall of 38.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 15.1°F. summers are warm — July averages 72.0°F. Residents experience a substantial 57°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Potter County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Potter County closely matches the South Dakota statewide average temperature of 45.6°F, it is somewhat drier than average for South Dakota.
Climate Profile
About Potter County Weather
The Heart of the Northern Plains
Potter County's annual average temperature of 44.3°F is roughly 10 degrees cooler than the national median. This location experiences the full range of continental weather, from deep freezes to summer heat.
Standard Temperatures With Average Snowfall
The county's 44.3°F average is slightly below the state mark of 45.6°F. Its 20.2 inches of annual precipitation and 38.7 inches of snow represent typical conditions for central South Dakota.
Typical Central South Dakota Weather
Potter County's 20.2 inches of precipitation is higher than Perkins but lower than eastern Roberts County. Its 20 extreme heat days are moderate for the region, compared to the 41 seen further southwest.
Sharp Contrasts Between July and January
July averages 72.0°F with 20 days exceeding the 90-degree mark. Winter brings a sharp drop to a 15.1°F average in January, accompanied by 38.7 inches of snow throughout the year.
Balanced Heating and Cooling Needs
Residents require a versatile HVAC system to handle the swing from sub-zero winter nights to 90-degree summer days. Winter preparation should include snow removal tools for the nearly 40 inches of annual snowfall.
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.