Forest County Climate
Forest County, Wisconsin
Avg Annual Temp
39.7°F
Annual Precip
33.2"
Annual Snowfall
77.4"
Extreme Heat Days
0.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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
What is the average temperature in Forest County?
How much rain does Forest County get?
Does it snow in Forest County?
How hot does Forest County get in summer?
How cold are winters in Forest County?
Track your own weather in Forest County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.