Clark County Climate
Clark County, Wisconsin
Avg Annual Temp
42.7°F
Annual Precip
34.9"
Annual Snowfall
47.3"
Extreme Heat Days
3.85
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Clark County Weather
A truly cold northern climate
Clark County's average annual temperature of 42.7°F is nearly 11 degrees colder than the national median. This reflects its position in a classic continental zone where winter dominates the calendar.
One of Wisconsin's colder regions
Averaging 42.7°F annually, Clark County is significantly cooler than the state average of 44.4°F. It consistently ranks among the colder third of all Wisconsin counties.
Cooler than neighboring Chippewa
Clark County is a full degree cooler than neighboring Chippewa County to the northwest. However, Clark receives more moisture, with 34.9 inches of annual precipitation compared to the state average of 34.5 inches.
Brisk winters and rare heat
The county sees only 4 days of extreme heat above 90°F, making for very mild summers. Winter brings a sharp chill, with January averages dipping to 12.9°F and annual snowfall reaching 47.3 inches.
Focus on insulation and winter gear
Winter averages of 16.5°F make high-grade home insulation and reliable heating systems a top priority. Outdoor planning should focus on the short growing season, as summer averages only 66.4°F.
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.