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Weather & Climate in Brownsville, IN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brownsville experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 26°F in January while summers reach 72°F in July. The area gets 297 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 793 feet.
Temperature
26°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 793 ft (242 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 1,020/sq mi |
| Coordinates | 39.6648°N, 85.0034°W |
| Timezone | America/Indiana/Indianapolis |
| County | Fayette County County |
| Nearest Airport | Butler County Regional/Hogan Field (HAO) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 33.5 / 100 |
| Social Vulnerability | 51.8 / 100 |
| Community Resilience | 57.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Sep 12, 2004 | 4 km NW of Manilla, Indiana | M3.8 | 57 km | 2 km |
| Dec 20, 1990 | 5 km S of Stilesville, Indiana | M3.7 | 140 km | 5 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 150 km | 5 km |
| Feb 19, 1995 | 8 km SSE of Rocky Fork Point, Ohio | M3.6 | 145 km | 10 km |
| Apr 17, 1990 | 8 km NW of Fort Recovery, Ohio | M3.0 | 89 km | 5 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 97 km | 5 km |
| May 12, 2006 | 2 km E of Lima, Ohio | M2.8 | 143 km | 5 km |
| Mar 17, 1999 | 2 km NNE of Ripley, Ohio | M2.8 | 142 km | 0 km |
| Jun 12, 2015 | 6 km NW of Convoy, Ohio | M2.6 | 145 km | 5 km |
| Jul 23, 2013 | 6 km NNE of Germantown, Kentucky | M2.6 | 140 km | 4 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 116 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
563 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 73 fatalities, 2,649 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 78 km | 20.8 mi | 3 |
| Apr 3, 1974 | EF5 | 82 km | 31.3 mi | 36 |
| May 27, 2019 | EF4 | 50 km | 18.2 mi | 0 |
| Sep 20, 2000 | EF4 | 88 km | 9.0 mi | 1 |
| Apr 9, 1999 | EF4 | 73 km | 10.0 mi | 4 |
| Jun 11, 1998 | EF4 | 82 km | 13.2 mi | 0 |
| Jun 2, 1990 | EF4 | 50 km | 33.0 mi | 0 |
| Jul 9, 1980 | EF4 | 41 km | 11.0 mi | 2 |
| Apr 3, 1974 | EF4 | 86 km | 35.6 mi | 4 |
| Apr 3, 1974 | EF4 | 56 km | 18.9 mi | 0 |
| Apr 3, 1974 | EF4 | 70 km | 19.8 mi | 2 |
| Apr 3, 1974 | EF4 | 49 km | 18.0 mi | 1 |
| May 14, 1972 | EF4 | 93 km | 30.0 mi | 0 |
| Apr 23, 1968 | EF4 | 89 km | 24.1 mi | 1 |
| Apr 11, 1965 | EF4 | 93 km | 18.4 mi | 3 |
| Apr 25, 1961 | EF4 | 69 km | 63.1 mi | 0 |
| Mar 14, 2024 | EF3 | 58 km | 41.3 mi | 1 |
| Mar 31, 2023 | EF3 | 95 km | 5.5 mi | 0 |
| May 27, 2019 | EF3 | 57 km | 10.5 mi | 0 |
| May 27, 2019 | EF3 | 77 km | 9.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: JPG 09 1 (6,113 acres, 1998).
| Year | Name | Acres Burned | Distance |
| 1998 | JPG 09 1 | 6,113 | 94 km |
| 2005 | RX BURNPLAN AREA 2-06 | 5,054 | 95 km |
| 2007 | UNITS 8-9 2008 | 4,316 | 97 km |
| 2006 | UNIT 19 06 WUI | 3,412 | 97 km |
| 2003 | WUI 3 03 | 3,372 | 86 km |
| 2010 | WUI UNIT 28K | 3,230 | 83 km |
| 1999 | UNNAMED | 3,122 | 86 km |
| 2002 | UNIT 8 | 2,753 | 97 km |
| 2005 | UNIT 3 05 | 2,511 | 86 km |
| 2001 | 01 UNIT 16 | 2,361 | 94 km |
| 2011 | WUI UNITS 0 AND 1 2011 | 2,215 | 97 km |
| 2004 | UNIT 19 | 2,004 | 98 km |
| 2003 | UNIT 8 03 | 1,971 | 95 km |
| 2008 | FY 09 UNIT 42 RX FALL 2008 | 1,942 | 91 km |
| 2000 | JPG 14 | 1,908 | 96 km |
| 2003 | UNIT 16 03 | 1,809 | 95 km |
| 2002 | UNIT 9 | 1,485 | 96 km |
| 1995 | UNNAMED | 1,462 | 92 km |
| 2010 | TRACER | 1,408 | 83 km |
| 2007 | UNNAMED | 1,334 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.6 in | Coldest |
| February | 30°F (-1°C) | 2.5 in | Driest |
| March | 40°F (5°C) | 3.6 in | |
| April | 51°F (10°C) | 4.1 in | |
| May | 61°F (16°C) | 4.8 in | Wettest |
| June | 70°F (21°C) | 4.1 in | |
| July | 72°F (22°C) | 4.3 in | |
| August | 72°F (22°C) | 3.7 in | Warmest |
| September | 65°F (19°C) | 2.8 in | |
| October | 54°F (12°C) | 3.0 in | |
| November | 42°F (6°C) | 3.6 in | |
| December | 32°F (-0°C) | 3.2 in |
Brownsville has a seasonal temperature swing of 46°F / from 26°F in January to 72°F in August. Total annual precipitation is 42.1 inches, with May being the wettest month (4.8") and February the driest (2.5").