Forest County Climate
Forest County, Wisconsin
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
39.7°F
Annual Precip
33.2"
Annual Snowfall
77.4"
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
1,541
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Forest County
Climate Verdict
Forest County has a cold, with an average annual temperature of 39.7°F, moderate rainfall of 33.2 inches per year, rare extreme heat with only 0.3 days above 90°F annually, heavy winter snowfall averaging 77.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 11.8°F. summers are pleasantly cool with July averaging 64.2°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Forest County is 4.7°F cooler than the Wisconsin statewide average of 44.4°F.
Climate Profile
About Forest County Weather
Deep Into Northern Territory
Forest County is exceptionally cold, with an annual average temperature of only 39.7°F. This is more than 13 degrees below the national median, characterizing a true sub-boreal climate.
Colder and Snowier Than Most
The county sits far below the Wisconsin average temperature of 44.4°F. It is also one of the state's snowiest regions, receiving 77.4 inches annually compared to more moderate totals in the south.
Maximum Snow Load
Forest County's 77.4 inches of snow dwarfs the 40-inch averages found in southern Wisconsin. Its July average of 64.2°F is also significantly lower than the 72°F averages seen in the southern part of the state.
No Heat, All Snow
This county records 0 days per year of extreme heat over 90°F, making it a refuge from summer temperatures. However, winter is intense, with an average temperature of just 15.0°F and heavy, consistent snow.
Focus on Heavy Insulation
Extreme winter preparation is mandatory, as January averages fall to a biting 11.8°F. Residents should prioritize high-capacity snow blowers and ensure homes are rated for significant snow accumulation on roofs.
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.