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Weather & Climate in Gann (Brinkhaven), OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gann (Brinkhaven) experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 71°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 42.4 inches. The area receives 41.6 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 955 feet.
Temperature
26°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 49.0°F |
| 9% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 955 ft (291 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 732/sq mi |
| Coordinates | 40.4702°N, 82.1900°W |
| Timezone | America/New_York |
| County | Knox County County |
| Nearest Airport | Mansfield Lahm Regional (MFD) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
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
26 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 | 148 km | 2 km |
| Mar 12, 2007 | Ohio | M3.7 | 113 km | 5 km |
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 114 km | 8 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 98 km | 2 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 140 km | 10 km |
| Jan 26, 1991 | 1 km NNE of Mayfield Heights, Ohio | M3.4 | 134 km | 5 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 86 km | 6 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 88 km | 5 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 123 km | 5 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 121 km | 4 km |
| Jun 5, 2011 | 5 km W of Lodi, Ohio | M3.0 | 63 km | 5 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 107 km | 6 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 87 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 103 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 85 km | 2 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 139 km | 10 km |
| Jan 4, 2022 | 3 km NW of Timberlake, Ohio | M2.8 | 148 km | 5 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 143 km | 5 km |
| May 17, 2010 | 2 km S of Boston Heights, Ohio | M2.7 | 103 km | 5 km |
| Nov 25, 1998 | 1 km SSW of New London, Ohio | M2.7 | 69 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
400 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 33 fatalities, 572 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 11, 1965 | EF4 | 85 km | 22.0 mi | 18 |
| Jul 12, 1992 | EF3 | 95 km | 8.0 mi | 0 |
| Jul 12, 1992 | EF3 | 86 km | 7.0 mi | 0 |
| May 31, 1985 | EF3 | 56 km | 29.0 mi | 1 |
| Jun 13, 1981 | EF3 | 60 km | 3.8 mi | 4 |
| Feb 22, 1971 | EF3 | 84 km | 6.8 mi | 0 |
| May 8, 1969 | EF3 | 86 km | 2.0 mi | 1 |
| Jun 5, 2024 | EF2 | 39 km | 1.3 mi | 0 |
| Mar 14, 2024 | EF2 | 78 km | 10.3 mi | 0 |
| Feb 28, 2024 | EF2 | 73 km | 14.0 mi | 0 |
| Jun 15, 2023 | EF2 | 94 km | 8.7 mi | 0 |
| Apr 14, 2019 | EF2 | 59 km | 17.0 mi | 0 |
| Nov 5, 2017 | EF2 | 59 km | 1.1 mi | 0 |
| Sep 4, 2017 | EF2 | 68 km | 16.7 mi | 0 |
| Apr 20, 2011 | EF2 | 55 km | 3.9 mi | 0 |
| Sep 16, 2010 | EF2 | 39 km | 11.5 mi | 0 |
| Sep 16, 2010 | EF2 | 81 km | 7.0 mi | 0 |
| Oct 11, 2006 | EF2 | 66 km | 0.5 mi | 0 |
| Jun 22, 2006 | EF2 | 38 km | 6.0 mi | 0 |
| Nov 12, 2003 | EF2 | 57 km | 3.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.4 in | Coldest |
| February | 28°F (-2°C) | 2.3 in | Driest |
| March | 38°F (3°C) | 3.3 in | |
| April | 49°F (9°C) | 3.6 in | |
| May | 59°F (15°C) | 4.1 in | |
| June | 67°F (20°C) | 4.1 in | |
| July | 71°F (22°C) | 4.3 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.7 in | |
| September | 64°F (18°C) | 3.3 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 42°F (5°C) | 3.4 in | |
| December | 31°F (-0°C) | 2.9 in |
Gann (Brinkhaven) has a seasonal temperature swing of 45°F / from 26°F in January to 71°F in July. Total annual precipitation is 40.0 inches, with July being the wettest month (4.3") and February the driest (2.3").