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Weather & Climate

Forest County, Wisconsin, United States

Overview

Climate data and monthly weather averages for Forest County.

Key Metrics

Annual Avg
4.8°C
Summer Avg
18.2°C
Winter Avg
-9.7°C
Record High
34°C
Record Low
-38.7°C
Annual Precipitation
873.2 mm
Avg Humidity
83%
Summer Humidity
77%
Winter Humidity
94%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan5.9°-11.2°-38.7°29.195%4844.6
Feb12.1°-10.2°-33.9°33.694%7451.8
Mar23.8°-3.3°-30.2°49.686%11948
Apr25.4°4.2°-17.9°81.676%13942.6
May29.5°11.1°-4.6°95.875%16839.7
Jun31°16.6°0.9°114.678%17936.2
Jul34°19.6°6.2°94.577%19031.7
Aug33.6°18.5°3.8°88.477%15932.5
Sep30.8°14.4°-2°93.679%11839.9
Oct26.7°6.5°-10°91.881%7740.7
Nov20.2°-0.6°-23.9°52.285%4643.2
Dec13.7°-7.6°-31.7°48.492%3545.2

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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