Haakon County Climate
Haakon County, South Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.4°F
Annual Precip
18.7"
Annual Snowfall
42.8"
Extreme Heat Days
41
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,873
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Haakon County
Climate Verdict
Haakon County has a cool, averaging 47.4°F annually, semi-arid conditions with only 18.7 inches of annual precipitation, occasional hot days — 40.75 per year above 90°F, moderate snowfall of 42.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 20.8°F. summers are warm — July averages 74.7°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Haakon County closely matches the South Dakota statewide average temperature of 45.6°F, it is somewhat drier than average for South Dakota, the county experiences 17.22030341880342 more extreme heat days than the state average.
Climate Profile
About Haakon County Weather
High Heat and Arid Plains Conditions
Haakon County averages 47.4°F annually, placing it slightly below the national median temperature. The climate is characterized by high summer peaks and lower-than-average precipitation for the central United States.
One of the State's Hotspots
At 47.4°F, the county is noticeably warmer than the South Dakota average of 45.6°F. It is also significantly drier, receiving only 18.7 inches of annual precipitation compared to the 22.7-inch state norm.
Higher Heat than Eastern Neighbors
Haakon experiences 41 days of 90°F heat, nearly double the 20 days seen in Hand County to the east. This makes Haakon one of the more thermally intense counties in the central South Dakota region.
Extreme Heat and Sharp Winter Chills
Summer dominates with 41 days above 90°F and a July average of 74.7°F. Despite the heat, winters are harsh, bringing 42.8 inches of snow and a January average of 20.8°F.
Focus on Hydration and HVAC Reliability
Residents must plan for prolonged heatwaves, requiring robust cooling systems for the 41 extreme heat days. Xeriscaping is a practical choice given the low 18.7-inch annual rainfall and high evaporation rates.
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.