Ziebach County Climate
Ziebach County, South Dakota
Avg Annual Temp
45.9°F
Annual Precip
19.2"
Annual Snowfall
44.8"
Extreme Heat Days
29.366666666666664
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Ziebach County Weather
Cool semi-arid climate in the northern plains
Ziebach County’s average annual temperature of 45.9°F sits nearly 9 degrees below the national median of approximately 54.4°F. This semi-arid region experiences significantly less precipitation than the U.S. average, totaling just 19.2 inches annually.
Typical South Dakota temperatures in Ziebach
The county’s annual temperature of 45.9°F is nearly identical to the South Dakota state average of 45.6°F. While its temperature remains consistent with state norms, its 19.2 inches of annual precipitation is about 15% lower than the statewide average of 22.7 inches.
Dry conditions across the Cheyenne River region
Ziebach aligns closely with neighboring Dewey and Corson counties, sharing a landscape defined by low humidity and high seasonal variability. Like much of north-central South Dakota, the county faces drier conditions than the more humid eastern border counties.
Intense summer heat meets heavy winter snow
Residents experience sharp contrasts, with 29 extreme heat days reaching above 90°F during the 73.3°F July average. Winters are harsh and snowy, featuring a January average of 18.8°F and a substantial 44.8 inches of annual snowfall.
Prepare for extreme fluctuations and heavy snow
High-efficiency HVAC systems are essential here to handle both the 90-degree summer spikes and sub-zero winter blasts. Reliable snow removal equipment and winter vehicle kits are vital for navigating the nearly 45 inches of annual snow.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.