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Weather & Climate in Morrisburg, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Morrisburg has a cool climate with an average annual temperature of 43°F (6°C). Winters average 14°F in January while summers reach 69°F in July. The area gets 267 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 38.2 inches. The area receives 10.6 inches of snow annually. The city sits at an elevation of 262 feet.
Temperature
14°F Jan (-10°C)
69°F Jul (21°C)
| Annual Average | 43.2°F |
| 20% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 267 days/yr |
Geography
| Elevation | 262 ft (80 m) |
| Area | 201.4 sq mi (521.5 km²) |
| Population Density | 15/sq mi |
| Coordinates | 44.9001°N, 75.1826°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
153 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 | 112 km | 19 km |
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 125 km | 5 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 132 km | 13 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 135 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 91 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 134 km | 10 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 125 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 76 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 99 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 144 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 81 km | 11 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 93 km | 8 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 94 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 78 km | 5 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 136 km | 17 km |
| Apr 20, 2000 | 7 km WSW of Newcomb, New York | M3.8 | 129 km | 5 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 95 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 145 km | 10 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 137 km | 18 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 108 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 | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 2.6 in | Coldest |
| February | 16°F (-9°C) | 2.4 in | Driest |
| March | 28°F (-2°C) | 2.4 in | |
| April | 42°F (6°C) | 3.2 in | |
| May | 55°F (13°C) | 3.1 in | |
| June | 64°F (18°C) | 3.2 in | |
| July | 69°F (21°C) | 3.7 in | Warmest |
| August | 67°F (20°C) | 3.7 in | Wettest |
| September | 58°F (15°C) | 3.7 in | |
| October | 47°F (8°C) | 3.3 in | |
| November | 36°F (2°C) | 3.6 in | |
| December | 21°F (-6°C) | 3.1 in |
Morrisburg has a seasonal temperature swing of 56°F / from 14°F in January to 69°F in July. Total annual precipitation is 38.2 inches, with August being the wettest month (3.7") and February the driest (2.4").