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Weather & Climate in North Glengarry, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
North Glengarry has a cool climate with an average annual temperature of 42°F (5°C). Winters average 11°F in January while summers reach 68°F in July. The area gets 263 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 40.4 inches. The area receives 14.8 inches of snow annually. The city sits at an elevation of 318 feet.
Temperature
11°F Jan (-12°C)
68°F Jul (20°C)
| Annual Average | 41.8°F |
| 23% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 318 ft (97 m) |
| Area | 248.4 sq mi (643.4 km²) |
| Population Density | 41/sq mi |
| Coordinates | 45.3493°N, 74.6783°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
186 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jun 23, 2010 | 29 km NNE of Val-des-Monts, Canada | M5.4 | 86 km | 19 km |
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 121 km | 5 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 138 km | 13 km |
| Oct 19, 1990 | 11 km SW of Mont-Laurier, Canada | M4.6 | 143 km | 13 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 74 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 27 km | 18 km |
| Dec 25, 1993 | 9 km WSW of Mont-Laurier, Canada | M4.3 | 147 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 62 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 73 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 35 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 96 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 48 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 51 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 119 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 45 km | 8 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 115 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 32 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 52 km | 5 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 80 km | 18 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 57 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1908 | NOTRE DAME DE LA SALETTE | Meteorological | 15.0 m | 33 | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: FLAT ROCK FIRE (658 acres, 2018).
| Year | Name | Acres Burned | Distance |
| 2018 | FLAT ROCK FIRE | 658 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 3.0 in | Coldest |
| February | 14°F (-10°C) | 2.5 in | |
| March | 26°F (-4°C) | 2.5 in | Driest |
| April | 40°F (5°C) | 3.2 in | |
| May | 54°F (12°C) | 3.4 in | |
| June | 64°F (18°C) | 4.0 in | Wettest |
| July | 68°F (20°C) | 3.7 in | Warmest |
| August | 67°F (19°C) | 3.7 in | |
| September | 58°F (15°C) | 3.9 in | |
| October | 46°F (8°C) | 3.7 in | |
| November | 35°F (1°C) | 3.8 in | |
| December | 19°F (-7°C) | 3.1 in |
North Glengarry has a seasonal temperature swing of 57°F / from 11°F in January to 68°F in July. Total annual precipitation is 40.4 inches, with June being the wettest month (4.0") and March the driest (2.5").