Weather & Climate in Glenmont, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Glenmont experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. Annual precipitation totals 41.6 inches. The area receives 24.5 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. 85% of days have good air quality. The city sits at an elevation of 1,026 feet.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 50.2°F |
| 7% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 1,026 ft (313 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 975/sq mi |
| Coordinates | 40.5191°N, 82.0925°W |
| Timezone | America/New_York |
| County | Knox County County |
| Nearest Airport | Mansfield Lahm Regional (MFD) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 84.9% |
| Unhealthy Days | 1 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.0 / 100 |
| Social Vulnerability | 62.7 / 100 |
| Community Resilience | 80.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
32 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jun 10, 2019 | 1 km NW of Timberlake, Ohio | M4.0 | 140 km | 2 km |
| Mar 12, 2007 | Ohio | M3.7 | 104 km | 5 km |
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 120 km | 8 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 147 km | 10 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 95 km | 2 km |
| Jan 26, 1991 | 1 km NNE of Mayfield Heights, Ohio | M3.4 | 125 km | 5 km |
| Jan 9, 2008 | 6 km WNW of Mentor-on-the-Lake, Ohio | M3.1 | 145 km | 5 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 124 km | 5 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 86 km | 5 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 85 km | 6 km |
| Jun 5, 2011 | 5 km W of Lodi, Ohio | M3.0 | 57 km | 5 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 97 km | 6 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 119 km | 4 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 86 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 93 km | 5 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 143 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 85 km | 2 km |
| Jan 4, 2022 | 3 km NW of Timberlake, Ohio | M2.8 | 140 km | 5 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 140 km | 10 km |
| May 17, 2010 | 2 km S of Boston Heights, Ohio | M2.7 | 94 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
401 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 30 fatalities, 537 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 11, 1965 | EF4 | 80 km | 22.0 mi | 18 |
| Jul 12, 1992 | EF3 | 85 km | 8.0 mi | 0 |
| Jul 12, 1992 | EF3 | 79 km | 7.0 mi | 0 |
| May 31, 1985 | EF3 | 66 km | 29.0 mi | 1 |
| May 2, 1983 | EF3 | 98 km | 12.0 mi | 1 |
| Jun 13, 1981 | EF3 | 68 km | 3.8 mi | 4 |
| Jun 3, 1973 | EF3 | 94 km | 12.9 mi | 0 |
| Feb 22, 1971 | EF3 | 94 km | 6.8 mi | 0 |
| May 8, 1969 | EF3 | 79 km | 2.0 mi | 1 |
| Jun 5, 2024 | EF2 | 45 km | 1.3 mi | 0 |
| Mar 14, 2024 | EF2 | 81 km | 10.3 mi | 0 |
| Feb 28, 2024 | EF2 | 83 km | 14.0 mi | 0 |
| Jun 15, 2023 | EF2 | 93 km | 8.7 mi | 0 |
| Jul 29, 2021 | EF2 | 99 km | 2.7 mi | 0 |
| Jul 29, 2021 | EF2 | 94 km | 6.2 mi | 0 |
| Apr 14, 2019 | EF2 | 62 km | 17.0 mi | 0 |
| Nov 5, 2017 | EF2 | 64 km | 1.1 mi | 0 |
| Sep 4, 2017 | EF2 | 73 km | 16.7 mi | 0 |
| Apr 20, 2011 | EF2 | 64 km | 3.9 mi | 0 |
| Sep 16, 2010 | EF2 | 30 km | 11.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.3 in | Coldest |
| February | 29°F (-2°C) | 2.6 in | Driest |
| March | 38°F (3°C) | 3.1 in | |
| April | 49°F (10°C) | 3.6 in | |
| May | 60°F (15°C) | 4.1 in | |
| June | 68°F (20°C) | 5.1 in | Wettest |
| July | 72°F (22°C) | 4.4 in | Warmest |
| August | 70°F (21°C) | 3.5 in | |
| September | 64°F (18°C) | 3.5 in | |
| October | 52°F (11°C) | 2.7 in | |
| November | 41°F (5°C) | 2.8 in | |
| December | 32°F (0°C) | 3.0 in |
Glenmont has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 41.6 inches, with June being the wettest month (5.1") and February the driest (2.6").