All Countries
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. 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 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) |
| Sunny Days | 275 days/yr |
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").