Clay County Climate
Clay County, Minnesota
Avg Annual Temp
42.2°F
Annual Precip
25.4"
Annual Snowfall
46.8"
Extreme Heat Days
10.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Clay County Weather
A Cold Frontier Climate on the Plains
Clay County averages 42.2°F annually, placing it well below the national temperature median. This region is known for its wide-open landscape and exposure to Arctic air masses.
A Dry and Average Temperature Profile
Clay County’s 42.2°F average is nearly identical to the state average of 42.8°F. However, it is significantly drier than much of the state, receiving only 25.4 inches of precipitation compared to the 30.0-inch norm.
Drier and Sharper than Eastern Neighbors
Clay is notably drier than Chisago or Carlton, reflecting its position on the edge of the Red River Valley. It faces more extreme temperature fluctuations because it lacks the moderating influence of heavy forest cover or large lakes.
Intense Winter Chills and Bright Summers
January is very cold with an average of 8.3°F, while July heats up to 71.0°F. The county experiences 11 days of extreme heat over 90°F and 46.8 inches of annual snow.
Invest in Windbreaks and Cold-Weather Gear
The flat terrain makes wind protection essential for homes and livestock during the cold 8.3°F January stretches. With 11 extreme heat days and lower rainfall, residents should also plan for efficient lawn and garden irrigation.
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.