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Weather & Climate in Greentown, IN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greentown experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 26°F in January while summers reach 73°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 42.5 inches. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 842 feet.
Temperature
26°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 50.9°F |
| 6% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 842 ft (257 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 1,453/sq mi |
| Coordinates | 40.4775°N, 85.9625°W |
| Timezone | America/Indiana/Indianapolis |
| County | Grant County County |
| Nearest Airport | Delaware County Regional (MIE) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 69.4 / 100 |
| Social Vulnerability | 67.9 / 100 |
| Community Resilience | 69.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| 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.
| Jun 17, 2021 | Illinois-Indiana border region | M3.8 | 134 km | 6 km |
| Sep 12, 2004 | 4 km NW of Manilla, Indiana | M3.8 | 100 km | 2 km |
| Dec 20, 1990 | 5 km S of Stilesville, Indiana | M3.7 | 114 km | 5 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 104 km | 5 km |
| Dec 17, 1990 | Illinois-Indiana border region | M3.2 | 102 km | 10 km |
| Jan 26, 2012 | 5 km NE of Topeka, Indiana | M3.0 | 128 km | 5 km |
| Apr 17, 1990 | 8 km NW of Fort Recovery, Ohio | M3.0 | 94 km | 5 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 133 km | 5 km |
| Jun 12, 2015 | 6 km NW of Convoy, Ohio | M2.6 | 114 km | 5 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 113 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
616 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 87 fatalities, 1,971 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 11, 1998 | EF4 | 78 km | 13.2 mi | 0 |
| Apr 26, 1994 | EF4 | 84 km | 14.0 mi | 3 |
| Mar 20, 1976 | EF4 | 88 km | 16.7 mi | 0 |
| Apr 3, 1974 | EF4 | 99 km | 108.7 mi | 18 |
| Apr 3, 1974 | EF4 | 76 km | 18.0 mi | 1 |
| Apr 3, 1974 | EF4 | 85 km | 18.9 mi | 0 |
| May 14, 1972 | EF4 | 79 km | 30.0 mi | 0 |
| Apr 11, 1965 | EF4 | 50 km | 52.5 mi | 4 |
| Apr 11, 1965 | EF4 | 75 km | 21.8 mi | 0 |
| Apr 11, 1965 | EF4 | 92 km | 45.7 mi | 28 |
| Apr 11, 1965 | EF4 | 36 km | 48.0 mi | 25 |
| Mar 6, 1956 | EF4 | 35 km | 1.9 mi | 1 |
| Mar 14, 2024 | EF3 | 78 km | 41.3 mi | 1 |
| Mar 31, 2023 | EF3 | 31 km | 6.4 mi | 0 |
| May 27, 2019 | EF3 | 50 km | 12.8 mi | 0 |
| May 27, 2019 | EF3 | 58 km | 13.7 mi | 0 |
| Aug 24, 2016 | EF3 | 19 km | 8.6 mi | 0 |
| Nov 17, 2013 | EF3 | 75 km | 37.9 mi | 0 |
| Jun 5, 2010 | EF3 | 26 km | 7.5 mi | 0 |
| Oct 18, 2007 | EF3 | 93 km | 20.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.1 in | Coldest |
| February | 28°F (-3°C) | 2.1 in | Driest |
| March | 38°F (3°C) | 3.1 in | |
| April | 49°F (10°C) | 3.9 in | |
| May | 61°F (16°C) | 3.9 in | |
| June | 70°F (21°C) | 3.7 in | |
| July | 73°F (23°C) | 4.3 in | Warmest, Wettest |
| August | 71°F (22°C) | 3.7 in | |
| September | 65°F (18°C) | 3.0 in | |
| October | 53°F (12°C) | 2.8 in | |
| November | 41°F (5°C) | 3.3 in | |
| December | 29°F (-1°C) | 3.0 in |
Greentown has a seasonal temperature swing of 48°F / from 26°F in January to 73°F in July. Total annual precipitation is 38.8 inches, with July being the wettest month (4.3") and February the driest (2.1").