Weather & Climate in O'Connor, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
O'Connor experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 22°F in January while summers reach 71°F in July. Annual precipitation totals 33.6 inches. The area receives 8.8 inches of snow annually. The city sits at an elevation of 515 feet.
Temperature
22°F Jan (-6°C)
71°F Jul (21°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 71°F (21°C) |
Geography
| Elevation | 515 ft (157 m) |
| Area | 41.9 sq mi (108.6 km²) |
| Population Density | 16/sq mi |
| Coordinates | 43.7248°N, 79.3023°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
19 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 25 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 105 km | 6 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 111 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 19 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 28 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 90 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 84 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 89 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 109 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 131 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 45 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 97 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 61 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 83 km | 5 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 148 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 39 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 66 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 145 km | 5 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 74 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: MOHAWK POOL (507 acres, 1994).
| Year | Name | Acres Burned | Distance |
| 1994 | MOHAWK POOL | 507 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.0 in | Coldest, Driest |
| February | 23°F (-5°C) | 2.0 in | |
| March | 32°F (-0°C) | 2.1 in | |
| April | 44°F (6°C) | 2.8 in | |
| May | 56°F (13°C) | 3.0 in | |
| June | 65°F (18°C) | 2.8 in | |
| July | 71°F (21°C) | 2.9 in | Warmest |
| August | 69°F (21°C) | 3.4 in | |
| September | 61°F (16°C) | 3.5 in | Wettest |
| October | 50°F (10°C) | 2.9 in | |
| November | 39°F (4°C) | 3.4 in | |
| December | 28°F (-2°C) | 2.7 in |
O'Connor has a seasonal temperature swing of 49°F / from 22°F in January to 71°F in July. Total annual precipitation is 33.6 inches, with September being the wettest month (3.5") and January the driest (2.0").