Moody County Climate
Moody County, South Dakota
Avg Annual Temp
43.3°F
Annual Precip
28.5"
Annual Snowfall
40.4"
Extreme Heat Days
8.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Moody County Weather
A Cool Continental Climate Profile
Moody County averages 43.3°F annually, placing it more than 10 degrees below the national median temperature. This climate is defined by long, cold winters and short, mild summers.
Chillier Conditions Than the State Average
The county's 43.3°F annual average is over two degrees colder than the South Dakota average of 45.6°F. However, its 28.5 inches of precipitation makes it considerably wetter than the state average of 22.7 inches.
Colder Winters Than Southern Neighbors
Moody County experiences a January average of 13.1°F, which is notably colder than neighboring Minnehaha's 16.6°F. It shares the same high precipitation level of 28.5 inches, indicating a consistent moisture corridor in this region.
Mild Summers and Deep Winter Freezes
Summer high points remain relatively mild with only 9 extreme heat days above 90°F. Winter is the dominant season, featuring a low 16.3°F average temperature and over 40 inches of annual snow.
Fortifying Homes Against the Winter Chill
Heavy-duty winter gear is non-negotiable for a county where January averages just 13.1°F. Residents should prioritize furnace maintenance and weatherproofing to handle the extended cold season.
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.