Vernon County Climate
Vernon County, Wisconsin
Avg Annual Temp
46.1°F
Annual Precip
37.6"
Annual Snowfall
41.8"
Extreme Heat Days
5.833333333333333
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Vernon County Weather
The Driftless Area's Climate
Vernon County has an annual average temperature of 46.1°F, which is cooler than the national median but warm for Wisconsin. Its rugged hills and valleys create significant variation in local temperatures.
One of Wisconsin's Wettest
At 37.6 inches of annual precipitation, Vernon is considerably wetter than the state average of 34.5 inches. Its 46.1°F average also makes it warmer than the typical Wisconsin county.
Wetter Than Its Neighbors
Vernon receives more precipitation than Trempealeau (35.2") and Walworth (36.8"). It is also slightly warmer than Trempealeau, benefiting from its more southerly position in the state.
Strong Summers and Steady Snow
July averages 71.4°F with 6 days of extreme heat, providing a robust growing season. Winters are cold but manageable, with 41.8 inches of snowfall and an average temperature of 20.3°F.
Flood and Moisture Preparedness
Ensure your home has proper drainage and sump pumps to handle the high 37.6-inch annual precipitation. Heating systems should be ready for January lows that average 16.8°F.
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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.