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Weather & Climate
Brown County, Wisconsin, United States
Overview
Climate data and monthly weather averages for Brown County.
Key Metrics
Annual Avg
7.2°C
Summer Avg
20.2°C
Winter Avg
-6.5°C
Record High
36.1°C
Record Low
-39.9°C
Annual Precipitation
877.8 mm
Avg Humidity
81%
Summer Humidity
76%
Winter Humidity
89%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 8.4° | -8° | -39.9° | 34.1 | 90% | 43 | 63.1 |
| Feb | 15.1° | -7.1° | -31.8° | 34.7 | 88% | 64 | 67.7 |
| Mar | 24.1° | -0.6° | -27.6° | 53.6 | 81% | 107 | 65.3 |
| Apr | 25.1° | 5.6° | -13.6° | 85.5 | 77% | 134 | 60.2 |
| May | 28.7° | 12.1° | -3.2° | 102 | 77% | 169 | 59.1 |
| Jun | 32.2° | 17.9° | 2.2° | 113.4 | 78% | 179 | 53.5 |
| Jul | 36° | 21.6° | 8° | 89.3 | 75% | 189 | 41.4 |
| Aug | 36.1° | 21° | 7° | 89.3 | 74% | 160 | 44 |
| Sep | 32° | 16.9° | 0.7° | 85.2 | 76% | 121 | 55.2 |
| Oct | 28° | 9.2° | -4.7° | 86.8 | 79% | 78 | 61.7 |
| Nov | 21.4° | 2.3° | -14.3° | 53.1 | 83% | 48 | 60.2 |
| Dec | 16° | -4.5° | -31.1° | 50.8 | 89% | 35 | 67.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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