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Weather & Climate in Sparta, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sparta experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 72°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 44.2 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,360 feet.
Temperature
25°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 50.0°F |
| 7% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,360 ft (415 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 1,767/sq mi |
| Coordinates | 40.3944°N, 82.6996°W |
| Timezone | America/New_York |
| County | Morrow County County |
| Nearest Airport | John Glenn Columbus International (CMH) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.4 / 100 |
| Social Vulnerability | 30.9 / 100 |
| Community Resilience | 54.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very 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 Moderate |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
25 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Mar 12, 2007 | Ohio | M3.7 | 148 km | 5 km |
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 114 km | 8 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 131 km | 10 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 131 km | 2 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 144 km | 5 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 117 km | 5 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 114 km | 6 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 148 km | 4 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 150 km | 6 km |
| Jun 5, 2011 | 5 km W of Lodi, Ohio | M3.0 | 88 km | 5 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 144 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 145 km | 5 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 114 km | 5 km |
| May 12, 2006 | 2 km E of Lima, Ohio | M2.8 | 123 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 114 km | 2 km |
| Apr 12, 2007 | 11 km NW of Put-in-Bay, Ohio | M2.8 | 149 km | 5 km |
| Nov 25, 1998 | 1 km SSW of New London, Ohio | M2.7 | 79 km | 5 km |
| May 17, 2010 | 2 km S of Boston Heights, Ohio | M2.7 | 137 km | 5 km |
| May 14, 2010 | 1 km ENE of Gibsonburg, Ohio | M2.7 | 122 km | 5 km |
| Feb 11, 2015 | 8 km SE of Richmond Dale, Ohio | M2.6 | 139 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
414 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 16 fatalities, 421 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 10, 2002 | EF3 | 88 km | 21.0 mi | 1 |
| Nov 10, 2002 | EF3 | 72 km | 9.0 mi | 0 |
| Oct 13, 1999 | EF3 | 92 km | 3.6 mi | 0 |
| May 31, 1985 | EF3 | 25 km | 29.0 mi | 1 |
| Jun 13, 1981 | EF3 | 21 km | 3.8 mi | 4 |
| May 10, 1973 | EF3 | 98 km | 89.6 mi | 0 |
| Feb 22, 1971 | EF3 | 51 km | 6.8 mi | 0 |
| Sep 3, 1970 | EF3 | 86 km | 2.3 mi | 0 |
| Apr 11, 1965 | EF3 | 83 km | 15.0 mi | 4 |
| Jun 5, 2024 | EF2 | 57 km | 1.3 mi | 0 |
| Mar 14, 2024 | EF2 | 66 km | 10.3 mi | 0 |
| Mar 14, 2024 | EF2 | 70 km | 19.5 mi | 0 |
| Feb 28, 2024 | EF2 | 43 km | 14.0 mi | 0 |
| Jun 15, 2023 | EF2 | 92 km | 8.7 mi | 0 |
| May 27, 2019 | EF2 | 98 km | 5.3 mi | 0 |
| Apr 14, 2019 | EF2 | 49 km | 17.0 mi | 0 |
| Nov 5, 2017 | EF2 | 38 km | 1.1 mi | 0 |
| Nov 5, 2017 | EF2 | 90 km | 0.6 mi | 0 |
| Sep 4, 2017 | EF2 | 46 km | 16.7 mi | 0 |
| Apr 20, 2011 | EF2 | 46 km | 3.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.2 in | Coldest |
| February | 27°F (-3°C) | 2.1 in | Driest |
| March | 38°F (3°C) | 3.1 in | |
| April | 48°F (9°C) | 3.5 in | |
| May | 58°F (15°C) | 4.2 in | |
| June | 67°F (20°C) | 4.1 in | |
| July | 72°F (22°C) | 4.4 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.7 in | |
| September | 64°F (18°C) | 3.3 in | |
| October | 52°F (11°C) | 2.5 in | |
| November | 41°F (5°C) | 3.4 in | |
| December | 31°F (-1°C) | 3.0 in |
Sparta has a seasonal temperature swing of 47°F / from 25°F in January to 72°F in July. Total annual precipitation is 39.5 inches, with July being the wettest month (4.4") and February the driest (2.1").