Weather & Climate in South Zanesville, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
South Zanesville experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 74°F in July. Annual precipitation totals 38.6 inches. The area receives 9.5 inches of snow annually. The city sits at an elevation of 740 feet.
Temperature
30°F Jan (-1°C)
74°F Jul (23°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 740 ft (226 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 2,671/sq mi |
| Coordinates | 39.9036°N, 82.0179°W |
| Timezone | America/New_York |
| County | Perry County County |
| Nearest Airport | John Glenn Columbus International (CMH) 47 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 26.0 / 100 |
| Social Vulnerability | 48.4 / 100 |
| Community Resilience | 44.2 / 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 | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
28 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 54 km | 8 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 62 km | 2 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 85 km | 10 km |
| Apr 24, 2009 | 7 km ENE of Rio Grande, Ohio | M3.4 | 114 km | 8 km |
| Feb 3, 2025 | 2 km NNW of Oak Hill, Ohio | M3.1 | 120 km | 26 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 64 km | 5 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 46 km | 5 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 40 km | 6 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 71 km | 4 km |
| Jun 5, 2011 | 5 km W of Lodi, Ohio | M3.0 | 125 km | 5 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 137 km | 6 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 138 km | 5 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 41 km | 5 km |
| May 6, 2002 | 3 km SE of Racine, Ohio | M2.8 | 107 km | 5 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 85 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 42 km | 2 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 80 km | 10 km |
| Nov 25, 1998 | 1 km SSW of New London, Ohio | M2.7 | 134 km | 5 km |
| Jul 20, 2013 | 6 km SW of Glenville, West Virginia | M2.7 | 148 km | 21 km |
| Jun 6, 2014 | 13 km NNE of Sissonville, West Virginia | M2.6 | 145 km | 30 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
275 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 5 fatalities, 227 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Sep 16, 2010 | EF3 | 85 km | 9.1 mi | 1 |
| Oct 13, 1999 | EF3 | 89 km | 3.6 mi | 0 |
| May 31, 1985 | EF3 | 67 km | 29.0 mi | 1 |
| Feb 22, 1971 | EF3 | 78 km | 6.8 mi | 0 |
| Sep 3, 1970 | EF3 | 86 km | 2.3 mi | 0 |
| May 8, 1969 | EF3 | 82 km | 2.0 mi | 1 |
| Jun 5, 2024 | EF2 | 26 km | 1.3 mi | 0 |
| Feb 28, 2024 | EF2 | 75 km | 4.1 mi | 0 |
| Feb 28, 2024 | EF2 | 70 km | 14.0 mi | 0 |
| Jun 8, 2022 | EF2 | 85 km | 9.1 mi | 0 |
| Jul 29, 2021 | EF2 | 92 km | 2.7 mi | 0 |
| May 27, 2019 | EF2 | 75 km | 5.3 mi | 0 |
| Apr 20, 2011 | EF2 | 41 km | 3.9 mi | 0 |
| Sep 16, 2010 | EF2 | 37 km | 7.0 mi | 0 |
| Sep 16, 2010 | EF2 | 97 km | 11.5 mi | 0 |
| Sep 16, 2010 | EF2 | 59 km | 3.3 mi | 0 |
| Oct 11, 2006 | EF2 | 94 km | 0.5 mi | 0 |
| Oct 11, 2006 | EF2 | 69 km | 0.5 mi | 0 |
| Jun 22, 2006 | EF2 | 82 km | 6.0 mi | 0 |
| Nov 12, 2003 | EF2 | 74 km | 3.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: LONG RIDGE RX UNIT 37-38 (1,050 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | LONG RIDGE RX UNIT 37-38 | 1,050 | 49 km |
| 2021 | LONG RIDGE RX UNIT 1-12 | 1,037 | 48 km |
| 2022 | LONG RIDGE RX UNIT 11-19 | 936 | 49 km |
| 2022 | LONG RIDGE RX UNIT 24 | 709 | 53 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.8 in | Coldest |
| February | 33°F (0°C) | 2.3 in | Driest |
| March | 42°F (5°C) | 3.2 in | |
| April | 53°F (12°C) | 3.9 in | |
| May | 62°F (17°C) | 3.8 in | |
| June | 71°F (21°C) | 4.3 in | Wettest |
| July | 74°F (23°C) | 3.7 in | Warmest |
| August | 73°F (23°C) | 3.2 in | |
| September | 66°F (19°C) | 3.1 in | |
| October | 54°F (12°C) | 2.8 in | |
| November | 43°F (6°C) | 2.8 in | |
| December | 35°F (2°C) | 2.6 in |
South Zanesville has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 38.6 inches, with June being the wettest month (4.3") and February the driest (2.3").