Juneau County Climate
Juneau County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.4°F
Annual Precip
35.0"
Annual Snowfall
40.4"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,478
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Juneau County
Climate Verdict
Juneau County has a cool, averaging 45.4°F annually, moderate rainfall of 35.0 inches per year, rare extreme heat with only 8.299999999999999 days above 90°F annually, moderate snowfall of 40.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 16.5°F. summers are warm — July averages 70.6°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Juneau County closely matches the Wisconsin statewide average temperature of 44.4°F.
Climate Profile
About Juneau County Weather
Cooler Northern Continental Climate
Juneau County averages 45.4°F annually, which is about 8 degrees cooler than the national median. The climate is characterized by significant seasonal temperature variations.
Right in the State Sweet Spot
With a 45.4°F average, Juneau County is just 1 degree warmer than the Wisconsin state average. It experiences the quintessential weather patterns associated with the Dairy State.
Similar to Central Neighbors
The county's 45.4°F average closely mirrors Iowa County at 45.7°F. It is notably warmer than Jackson County to the northwest, which averages 43.9°F.
Warm Summers and 40-Inch Snowfalls
Summers feature a 70.6°F July average and 8 days of extreme heat above 90°F. Winters bring a cold 16.5°F January average and a total of 40.4 inches of snow.
Heating and Rain Prep
HVAC systems should be inspected annually to handle the 19.9°F winter average. Residents should also prepare for 35 inches of annual rain with reliable gutter systems.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.