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Weather & Climate in Oakville, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oakville experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 25°F in January while summers reach 72°F in July. The area gets 262 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 34.4 inches. The area receives 42.0 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 269 feet.
Temperature
25°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 262 days/yr |
Geography
| Elevation | 269 ft (82 m) |
| Area | 53.7 sq mi (139.0 km²) |
| Population Density | 3,985/sq mi |
| Coordinates | 43.4501°N, 79.6829°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
17 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 | 62 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 98 km | 6 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 147 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 61 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 67 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 86 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 118 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 124 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 91 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 135 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 35 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 101 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 82 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 107 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 21 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 88 km | 5 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 106 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.6 in | |
| February | 25°F (-4°C) | 2.1 in | Coldest, Driest |
| March | 32°F (0°C) | 2.3 in | |
| April | 43°F (6°C) | 2.9 in | |
| May | 55°F (13°C) | 3.2 in | Wettest |
| June | 65°F (18°C) | 2.8 in | |
| July | 72°F (22°C) | 3.2 in | Warmest |
| August | 69°F (21°C) | 3.0 in | |
| September | 62°F (17°C) | 3.2 in | |
| October | 50°F (10°C) | 2.6 in | |
| November | 40°F (5°C) | 3.1 in | |
| December | 30°F (-1°C) | 2.6 in |
Oakville has a seasonal temperature swing of 47°F / from 25°F in February to 72°F in July. Total annual precipitation is 33.5 inches, with May being the wettest month (3.2") and February the driest (2.1").