Jerauld County Climate
Jerauld County, South Dakota
Avg Annual Temp
45.4°F
Annual Precip
25.7"
Annual Snowfall
44.5"
Extreme Heat Days
22.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Jerauld County Weather
Standard Continental Patterns in Central SD
Jerauld County's annual average temperature of 45.4°F sits nearly ten degrees below the national median of 55°F. The climate is typical of the Great Plains, featuring cold winters and warm, moist summers. It is a region defined by clear seasonal boundaries and variable weather.
Aligning Closely with State Climate Norms
Jerauld County's average of 45.4°F is almost identical to the South Dakota state average of 45.6°F. It receives 25.7 inches of annual precipitation, which is roughly three inches more than the state average. This makes it slightly wetter and more lush than the counties further west.
A Snowier Profile than Western Peers
Jerauld County receives 44.5 inches of snow annually, which is higher than several neighboring counties to the west. Its summer average of 70.3°F is slightly cooler than the more arid sections of the state. With 23 extreme heat days, it avoids the most intense heat found in the southern Badlands.
Icy Winters and Moderate Summer Heat
January is particularly cold, with temperatures averaging just 16.2°F amidst 44.5 inches of annual snow. July brings relief with a warm average of 73.0°F and roughly 23 days reaching 90°F or higher. The seasonal swing of nearly 57 degrees between January and July defines the local experience.
Winter Preparedness is Top Priority
With 44.5 inches of snow, high-capacity snow blowers are a standard requirement for Jerauld County residents. Home heating systems must be resilient enough to handle January averages of 16.2°F. Summer planning should include humidity management to complement the 25.7 inches of annual precipitation.
Frequently Asked Questions
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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.