Codington County Climate
Codington County, South Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
42.9°F
Annual Precip
23.7"
Annual Snowfall
36.5"
Extreme Heat Days
9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,339
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Codington County
Climate Verdict
Codington County has a cool, averaging 42.9°F annually, semi-arid conditions with only 23.7 inches of annual precipitation, rare extreme heat with only 9.3 days above 90°F annually, moderate snowfall of 36.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 11.8°F. summers are warm — July averages 70.9°F. Residents experience a substantial 59°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Codington County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Codington County closely matches the South Dakota statewide average temperature of 45.6°F.
Climate Profile
About Codington County Weather
A Cold Northern Climate Profile
Codington County is one of the coldest counties in the region, averaging just 42.9°F annually. This reflects a harsh continental climate with significant seasonal temperature variations.
Coldest Tier of South Dakota
The county's average temperature of 42.9°F is well below the South Dakota average of 45.6°F. It is slightly wetter than the state average, receiving 23.7 inches of precipitation annually.
Cooler Than Most Neighbors
Codington is colder than Clark County, though they share the same low number of extreme heat days at just 9 per year. Its 36.5 inches of snowfall is also higher than its neighbor Clark.
Cold Winters and Brief Summers
January is particularly brutal with an average temperature of 11.8°F and heavy snowfall. Summers are comfortable and rarely hot, with July temperatures averaging 70.9°F.
Prepare for a Long Snow Season
With 36.5 inches of snow and very few hot days, residents should focus on winter home sealing and snow removal gear. High-end cooling is less critical given the rare 90-degree peaks.
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.