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Weather & Climate in Dubois, IN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dubois enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 33°F in January while summers reach 80°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 39. 72% of days have good air quality. The city sits at an elevation of 575 feet.
Temperature
33°F Jan (0°C)
80°F Jul (26°C)
| Annual Average | 57.0°F |
| 6% above US avg | |
| January Average | 33°F (0°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 575 ft (175 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 254/sq mi |
| Coordinates | 38.4463°N, 86.7975°W |
| Timezone | America/Indiana/Indianapolis |
| County | Dubois County County |
| Nearest Airport | Evansville Regional (EVV) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 72.4% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 59.1 / 100 |
| Social Vulnerability | 29.2 / 100 |
| Community Resilience | 92.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
58 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Apr 18, 2008 | 7 km NNE of Bellmont, Illinois | M5.2 | 95 km | 14 km |
| Apr 18, 2008 | 9 km NNE of Bellmont, Illinois | M4.7 | 93 km | 15 km |
| Jun 18, 2002 | 6 km SW of Parkers Settlement, Indiana | M4.6 | 97 km | 16 km |
| Apr 21, 2008 | 7 km NNE of Bellmont, Illinois | M4.0 | 94 km | 18 km |
| Dec 7, 2000 | 7 km W of Evansville, Indiana | M3.9 | 90 km | 5 km |
| Jan 24, 1990 | 6 km WNW of Alton, Indiana | M3.9 | 43 km | 10 km |
| Jan 27, 1990 | 6 km N of Alton, Indiana | M3.8 | 43 km | 5 km |
| Sep 19, 2017 | 4 km N of Bellmont, Illinois | M3.8 | 97 km | 12 km |
| Nov 11, 1991 | 3 km W of Flat Rock, Illinois | M3.8 | 94 km | 0 km |
| Apr 25, 2008 | 8 km NNE of Bellmont, Illinois | M3.7 | 94 km | 13 km |
| Dec 20, 1990 | 5 km S of Stilesville, Indiana | M3.7 | 128 km | 5 km |
| Nov 20, 2012 | 7 km N of Bellmont, Illinois | M3.6 | 96 km | 19 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 146 km | 5 km |
| May 30, 2015 | 4 km ENE of Geff, Illinois | M3.4 | 136 km | 26 km |
| Jun 5, 2008 | 8 km WNW of Mount Carmel, Illinois | M3.4 | 91 km | 16 km |
| May 1, 2008 | 8 km NNE of Bellmont, Illinois | M3.3 | 93 km | 14 km |
| Jul 18, 2008 | 6 km NNE of Bellmont, Illinois | M3.1 | 96 km | 18 km |
| Dec 16, 1996 | 3 km NNE of Terre Haute, Indiana | M3.1 | 128 km | 5 km |
| May 10, 2012 | 0 km NW of Emison, Indiana | M3.1 | 70 km | 11 km |
| Sep 9, 2017 | 4 km N of Bellmont, Illinois | M3.1 | 97 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
516 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 84 fatalities, 1,427 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 83 km | 32.0 mi | 31 |
| Apr 3, 1974 | EF5 | 42 km | 68.0 mi | 6 |
| Mar 2, 2012 | EF4 | 53 km | 45.1 mi | 11 |
| May 28, 1996 | EF4 | 97 km | 30.0 mi | 0 |
| Jun 2, 1990 | EF4 | 60 km | 13.0 mi | 6 |
| Jun 2, 1990 | EF4 | 44 km | 11.0 mi | 1 |
| Jun 2, 1990 | EF4 | 64 km | 18.0 mi | 0 |
| Jan 7, 1989 | EF4 | 86 km | 19.0 mi | 0 |
| Apr 3, 1974 | EF4 | 95 km | 18.5 mi | 3 |
| Apr 3, 1974 | EF4 | 92 km | 35.6 mi | 11 |
| Mar 31, 2023 | EF3 | 95 km | 5.9 mi | 2 |
| May 25, 2011 | EF3 | 59 km | 6.8 mi | 0 |
| Mar 8, 2009 | EF3 | 48 km | 1.1 mi | 0 |
| Oct 18, 2007 | EF3 | 82 km | 7.0 mi | 0 |
| Nov 15, 2005 | EF3 | 39 km | 12.0 mi | 0 |
| May 30, 2004 | EF3 | 24 km | 15.0 mi | 1 |
| Sep 20, 2002 | EF3 | 89 km | 112.0 mi | 0 |
| Jan 3, 2000 | EF3 | 87 km | 7.0 mi | 0 |
| Nov 22, 1992 | EF3 | 90 km | 5.3 mi | 0 |
| Jun 2, 1990 | EF3 | 69 km | 41.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
13 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,547 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | UNNAMED | 1,547 | 88 km |
| 2017 | UNNAMED | 1,336 | 48 km |
| 2019 | UNNAMED | 1,057 | 49 km |
| 2021 | UNNAMED | 959 | 48 km |
| 2014 | UNNAMED | 910 | 44 km |
| 2016 | UNNAMED | 898 | 88 km |
| 2019 | UNNAMED | 892 | 44 km |
| 2024 | LONG RUN RX | 774 | 47 km |
| 2010 | FORK RIDGE RX | 697 | 80 km |
| 2010 | RICEVILLE RX | 671 | 19 km |
| 2019 | UNNAMED | 670 | 80 km |
| 2019 | UNNAMED | 584 | 47 km |
| 2010 | ROCKHOUSE HOLLOW RX | 581 | 48 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 3.0 in | Coldest, Driest |
| February | 34°F (1°C) | 3.0 in | |
| March | 44°F (7°C) | 4.5 in | |
| April | 54°F (12°C) | 4.3 in | |
| May | 64°F (18°C) | 4.9 in | Wettest |
| June | 72°F (22°C) | 4.0 in | |
| July | 80°F (26°C) | 4.8 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 68°F (20°C) | 3.3 in | |
| October | 56°F (13°C) | 3.1 in | |
| November | 45°F (7°C) | 4.1 in | |
| December | 35°F (2°C) | 3.5 in |
Dubois has a seasonal temperature swing of 47°F / from 33°F in January to 80°F in July. Total annual precipitation is 46.2 inches, with May being the wettest month (4.9") and January the driest (3.0").