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Weather & Climate in Ohsweken, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ohsweken experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 70°F in July. The area gets 271 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 35.9 inches. The area receives 9.7 inches of snow annually. The city sits at an elevation of 699 feet.
Temperature
22°F Jan (-6°C)
70°F Jul (21°C)
| Annual Average | 46.2°F |
| 14% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 699 ft (213 m) |
| Area | 2.0 sq mi (5.1 km²) |
| Population Density | 765/sq mi |
| Coordinates | 43.0668°N, 80.1164°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 137 km | 5 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 111 km | 6 km |
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 115 km | 13 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 140 km | 5 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 116 km | 18 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 105 km | 5 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 120 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 91 km | 6 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 145 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 73 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 126 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 124 km | 8 km |
| Jan 20, 2001 | 0 km NNW of Edgewood, Ohio | M2.6 | 143 km | 5 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 148 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 65 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 130 km | 5 km |
| Dec 17, 1990 | 5 km SSE of Middleboro, Pennsylvania | M2.5 | 124 km | 5 km |
| Jul 17, 2003 | 1 km SE of Edgewood, Ohio | M2.5 | 144 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 113 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.3 in | Coldest |
| February | 23°F (-5°C) | 2.1 in | Driest |
| March | 32°F (0°C) | 2.5 in | |
| April | 44°F (6°C) | 3.0 in | |
| May | 55°F (13°C) | 3.2 in | |
| June | 65°F (18°C) | 3.2 in | |
| July | 70°F (21°C) | 3.7 in | Warmest, Wettest |
| August | 68°F (20°C) | 3.2 in | |
| September | 60°F (16°C) | 3.5 in | |
| October | 49°F (10°C) | 3.0 in | |
| November | 39°F (4°C) | 3.5 in | |
| December | 28°F (-2°C) | 2.8 in |
Ohsweken has a seasonal temperature swing of 48°F / from 22°F in January to 70°F in July. Total annual precipitation is 35.9 inches, with July being the wettest month (3.7") and February the driest (2.1").