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Browntown, WI

Full City Profile · Wisconsin · Green County County

2.8 /5.0
C+ Fair
262 Population 250/sq mi density
$70,500 Median Income $34,948 per capita
$113,200 Home Value $227,313 Zillow
$775 Median Rent 14.1% income on rent
47°F Avg Temperature 260 sunny days/yr
166 Violent Crime/100K 2,446 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$70,500 median income, 8.1% unemployment
A+
Affordability
5.0 / 5.0
$113,200 home value, $775/mo rent
F
Safety
1.0 / 5.0
166 violent crimes/100K
C
Education
2.0 / 5.0
12.9% bachelor's degree or higher
Browntown experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 39.7 inches. The area receives 41.5 inches of snow annually. Air quality is rated Good with a median AQI of 38.

Temperature

19°F Jan (-7°C) 73°F Jul (23°C)
Annual Average47.3°F
12% below US avg
January Average19°F (-7°C)
July Average73°F (23°C)
Sunny Days260 days/yr

Geography

Elevation779 ft (237 m)
Area1.1 sq mi (2.7 km²)
Population Density250/sq mi
Coordinates42.5788°N, 89.7894°W
TimezoneAmerica/Chicago
CountyGreen County County
Nearest AirportSouthern Wisconsin Regional (JVL)
38 miles away

Precipitation & Snow

Annual Rainfall 39.7"
5% above US avg
Snowfall 41.5"
Wettest Month (Aug) 4.13"
Driest Month (Jan) 1.10"

Air Quality

AQI Median38.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score46.4 / 100
Social Vulnerability17.8 / 100
Community Resilience81.9 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Relatively Low
Drought Relatively Low
Cold Wave Relatively Moderate
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M3.1 on Jul 15, 2024.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 145 km
Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 126 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 100 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 137 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 125 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 124 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

537 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 46 fatalities, 1,000 injuries.

Date Rating Distance Fatalities
Jun 7, 1984 EF5 46 km 9
Apr 9, 2015 EF4 91 km 2
Jul 3, 1983 EF4 52 km 0
Apr 21, 1967 EF4 82 km 24
Aug 7, 2021 EF3 98 km 0
Jun 16, 2014 EF3 51 km 0
Jan 7, 2008 EF3 81 km 0
Aug 18, 2005 EF3 48 km 1
Jun 19, 1993 EF3 82 km 0
Jun 17, 1992 EF3 40 km 0
May 8, 1988 EF3 36 km 0
Aug 5, 1979 EF3 65 km 0
Jun 4, 1975 EF3 86 km 0
Jun 20, 1974 EF3 77 km 1
Sep 9, 1970 EF3 73 km 0
Aug 2, 1967 EF3 67 km 2
Apr 16, 1967 EF3 13 km 0
Jan 24, 1967 EF3 34 km 0
Jan 24, 1967 EF3 62 km 0
Sep 3, 1964 EF3 97 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

4 wildfires (100+ acres) within 100 km. Largest: 2018 BADGER RX BURNS (659 ac, 2018).

Year Name Acres Distance
2018 2018 BADGER RX BURNS 659 89 km
2019 2019 BADGER RX BURNS 627 88 km
2024 RX-HWY Y - SOUTH 553 95 km
2009 COLD SPRINGS 552 17 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 19°F (-7°C) 1.1 in Coldest, Driest
February 22°F (-6°C) 1.1 in
March 34°F (1°C) 2.3 in
April 46°F (8°C) 3.2 in
May 58°F (14°C) 3.5 in
June 67°F (20°C) 4.1 in
July 73°F (23°C) 3.8 in Warmest
August 69°F (21°C) 4.1 in Wettest
September 61°F (16°C) 4.0 in
October 50°F (10°C) 2.6 in
November 36°F (2°C) 2.2 in
December 23°F (-5°C) 1.7 in

Browntown has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 33.6 inches, with August being the wettest month (4.1") and January the driest (1.1").

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