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Weather & Climate in Blackstock, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blackstock has a cool climate with an average annual temperature of 43°F (6°C). Winters average 17°F in January while summers reach 67°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 36.1 inches. The area receives 9.6 inches of snow annually. The city sits at an elevation of 991 feet.
Temperature
17°F Jan (-8°C)
67°F Jul (20°C)
| Annual Average | 43.1°F |
| 20% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 991 ft (302 m) |
| Area | 183.2 sq mi (474.4 km²) |
| Population Density | 4/sq mi |
| Coordinates | 44.1001°N, 78.8163°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
18 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 | 46 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 138 km | 6 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 77 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 40 km | 18 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 111 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 42 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 123 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 64 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 66 km | 5 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 149 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 95 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 121 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 76 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 83 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 94 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 76 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 118 km | 5 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 61 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 2.6 in | Coldest |
| February | 19°F (-7°C) | 2.1 in | Driest |
| March | 28°F (-2°C) | 2.2 in | |
| April | 41°F (5°C) | 2.9 in | |
| May | 53°F (12°C) | 3.4 in | |
| June | 62°F (17°C) | 3.3 in | |
| July | 67°F (20°C) | 2.8 in | Warmest |
| August | 66°F (19°C) | 3.5 in | |
| September | 58°F (14°C) | 3.7 in | Wettest |
| October | 47°F (8°C) | 3.2 in | |
| November | 36°F (2°C) | 3.7 in | |
| December | 24°F (-5°C) | 2.7 in |
Blackstock has a seasonal temperature swing of 50°F / from 17°F in January to 67°F in July. Total annual precipitation is 36.1 inches, with September being the wettest month (3.7") and February the driest (2.1").