Weather & Climate in Shirley, IN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shirley 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. Annual precipitation totals 47.1 inches (wetter than the 38-inch national average). The area receives 28.6 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 34. 78% of days have good air quality. The city sits at an elevation of 1,025 feet.
Temperature
26°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 50.4°F |
| 7% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 1,025 ft (312 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 2,850/sq mi |
| Coordinates | 39.8909°N, 85.5799°W |
| Timezone | America/Indiana/Indianapolis |
| County | Henry County County |
| Nearest Airport | Delaware County Regional (MIE) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
| Good Days % | 78.1% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.8 / 100 |
| Social Vulnerability | 34.5 / 100 |
| Community Resilience | 72.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| 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
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jun 17, 2021 | Illinois-Indiana border region | M3.8 | 146 km | 6 km |
| Sep 12, 2004 | 4 km NW of Manilla, Indiana | M3.8 | 33 km | 2 km |
| Dec 20, 1990 | 5 km S of Stilesville, Indiana | M3.7 | 96 km | 5 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 101 km | 5 km |
| Dec 17, 1990 | Illinois-Indiana border region | M3.2 | 126 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 | 115 km | 5 km |
| Jun 12, 2015 | 6 km NW of Convoy, Ohio | M2.6 | 137 km | 5 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 117 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
582 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 50 fatalities, 1,772 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 27, 2019 | EF4 | 96 km | 18.2 mi | 0 |
| Jun 11, 1998 | EF4 | 34 km | 13.2 mi | 0 |
| Jun 2, 1990 | EF4 | 94 km | 33.0 mi | 0 |
| Jul 9, 1980 | EF4 | 31 km | 11.0 mi | 2 |
| Apr 3, 1974 | EF4 | 32 km | 18.0 mi | 1 |
| Apr 3, 1974 | EF4 | 86 km | 35.6 mi | 4 |
| Apr 3, 1974 | EF4 | 17 km | 18.9 mi | 0 |
| May 14, 1972 | EF4 | 45 km | 30.0 mi | 0 |
| Apr 11, 1965 | EF4 | 89 km | 48.0 mi | 25 |
| Apr 11, 1965 | EF4 | 75 km | 52.5 mi | 4 |
| Apr 25, 1961 | EF4 | 39 km | 63.1 mi | 0 |
| Mar 6, 1956 | EF4 | 76 km | 1.9 mi | 1 |
| Mar 14, 2024 | EF3 | 50 km | 41.3 mi | 1 |
| Mar 31, 2023 | EF3 | 66 km | 6.4 mi | 0 |
| Mar 31, 2023 | EF3 | 60 km | 5.5 mi | 0 |
| May 27, 2019 | EF3 | 95 km | 10.5 mi | 0 |
| May 27, 2019 | EF3 | 78 km | 12.8 mi | 0 |
| Aug 24, 2016 | EF3 | 82 km | 8.6 mi | 0 |
| Mar 2, 2012 | EF3 | 93 km | 8.7 mi | 3 |
| Jun 5, 2010 | EF3 | 98 km | 7.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,102 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | UNNAMED | 1,102 | 75 km |
| 2004 | UNIT 30 | 938 | 98 km |
| 2002 | UNIT 1 | 707 | 100 km |
| 2004 | UNIT 1 | 669 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 3.7 in | Coldest |
| February | 29°F (-2°C) | 2.6 in | Driest |
| March | 38°F (4°C) | 3.8 in | |
| April | 50°F (10°C) | 4.8 in | |
| May | 61°F (16°C) | 5.3 in | |
| June | 69°F (21°C) | 5.4 in | Wettest |
| July | 72°F (22°C) | 4.6 in | Warmest |
| August | 71°F (21°C) | 3.7 in | |
| September | 65°F (18°C) | 3.2 in | |
| October | 53°F (12°C) | 3.4 in | |
| November | 41°F (5°C) | 3.6 in | |
| December | 31°F (-1°C) | 3.1 in |
Shirley has a seasonal temperature swing of 46°F / from 26°F in January to 72°F in July. Total annual precipitation is 47.1 inches, with June being the wettest month (5.4") and February the driest (2.6").