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Weather & Climate in Eaton, IN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Eaton experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 29°F in January while summers reach 76°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 40.3 inches. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 904 feet.
Temperature
29°F Jan (-2°C)
76°F Jul (24°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 904 ft (276 m) |
| Area | 3.8 sq mi (9.7 km²) |
| Population Density | 444/sq mi |
| Coordinates | 40.3269°N, 85.3570°W |
| Timezone | America/Indiana/Indianapolis |
| County | Delaware County County |
| Nearest Airport | Delaware County Regional (MIE) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.3 / 100 |
| Social Vulnerability | 49.3 / 100 |
| Community Resilience | 82.4 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
10 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 | 84 km | 2 km |
| Dec 20, 1990 | 5 km S of Stilesville, Indiana | M3.7 | 136 km | 5 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 134 km | 5 km |
| Dec 17, 1990 | Illinois-Indiana border region | M3.2 | 146 km | 10 km |
| Jan 26, 2012 | 5 km NE of Topeka, Indiana | M3.0 | 139 km | 5 km |
| Apr 17, 1990 | 8 km NW of Fort Recovery, Ohio | M3.0 | 45 km | 5 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 82 km | 5 km |
| May 12, 2006 | 2 km E of Lima, Ohio | M2.8 | 117 km | 5 km |
| Jun 12, 2015 | 6 km NW of Convoy, Ohio | M2.6 | 86 km | 5 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 71 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
594 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 48 fatalities, 1,681 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 27, 2019 | EF4 | 94 km | 18.2 mi | 0 |
| Nov 10, 2002 | EF4 | 71 km | 52.8 mi | 4 |
| Jun 11, 1998 | EF4 | 79 km | 13.2 mi | 0 |
| Feb 18, 1992 | EF4 | 80 km | 2.8 mi | 0 |
| Jul 9, 1980 | EF4 | 79 km | 11.0 mi | 2 |
| Apr 3, 1974 | EF4 | 69 km | 18.9 mi | 0 |
| Apr 3, 1974 | EF4 | 32 km | 18.0 mi | 1 |
| May 14, 1972 | EF4 | 87 km | 30.0 mi | 0 |
| Apr 11, 1965 | EF4 | 87 km | 48.0 mi | 25 |
| Apr 11, 1965 | EF4 | 25 km | 52.5 mi | 4 |
| Apr 11, 1965 | EF4 | 83 km | 18.4 mi | 3 |
| Apr 25, 1961 | EF4 | 91 km | 63.1 mi | 0 |
| Mar 6, 1956 | EF4 | 33 km | 1.9 mi | 1 |
| Mar 14, 2024 | EF3 | 26 km | 41.3 mi | 1 |
| Mar 31, 2023 | EF3 | 26 km | 6.4 mi | 0 |
| May 27, 2019 | EF3 | 28 km | 12.8 mi | 0 |
| May 27, 2019 | EF3 | 98 km | 13.7 mi | 0 |
| May 27, 2019 | EF3 | 85 km | 10.5 mi | 0 |
| May 27, 2019 | EF3 | 62 km | 10.8 mi | 1 |
| Aug 24, 2016 | EF3 | 72 km | 8.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.1 in | Driest |
| February | 28°F (-2°C) | 2.1 in | Coldest |
| March | 39°F (4°C) | 3.3 in | |
| April | 50°F (10°C) | 3.7 in | |
| May | 61°F (16°C) | 3.9 in | Wettest |
| June | 70°F (21°C) | 3.8 in | |
| July | 76°F (24°C) | 3.9 in | Warmest |
| August | 71°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 3.0 in | |
| October | 53°F (12°C) | 2.6 in | |
| November | 41°F (5°C) | 3.2 in | |
| December | 30°F (-1°C) | 3.0 in |
Eaton has a seasonal temperature swing of 48°F / from 28°F in February to 76°F in July. Total annual precipitation is 37.9 inches, with May being the wettest month (3.9") and January the driest (2.1").