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Weather & Climate in Shannon, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shannon has a cool climate with an average annual temperature of 43°F (6°C). Winters average 18°F in January while summers reach 69°F in July. The area gets 224 sunny days per year, above the national average. Annual precipitation totals 60.7 inches (wetter than the 38-inch national average). The area receives 99.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 551 feet.
Temperature
18°F Jan (-8°C)
69°F Jul (20°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 224 days/yr |
Geography
| Elevation | 551 ft (168 m) |
| Area | 24.5 sq mi (63.5 km²) |
| Population Density | 262/sq mi |
| Coordinates | 46.8803°N, 71.5146°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
91 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Nov 6, 1997 | 4 km W of L'Ancienne-Lorette, Canada | M4.8 | 12 km | 23 km |
| Oct 28, 1997 | 18 km E of La Malbaie, Canada | M4.8 | 150 km | 12 km |
| Dec 12, 2012 | 14 km WSW of Saint-Siméon, Canada | M4.4 | 149 km | 5 km |
| Dec 31, 1990 | 23 km NE of La Tuque, Canada | M4.2 | 111 km | 18 km |
| Jul 12, 2000 | 46 km W of Baie-Saint-Paul, Canada | M4.2 | 78 km | 10 km |
| Jun 13, 2003 | 6 km NE of La Malbaie, Canada | M4.1 | 141 km | 11 km |
| Feb 24, 2012 | 6 km SW of La Malbaie, Canada | M4.0 | 127 km | 1 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 133 km | 1 km |
| Aug 17, 2002 | 12 km S of Baie-Saint-Paul, Canada | M3.8 | 91 km | 13 km |
| Dec 30, 1993 | 10 km E of Baie-Saint-Paul, Canada | M3.8 | 108 km | 7 km |
| Aug 4, 2012 | 24 km SSW of Baie-Saint-Paul, Canada | M3.8 | 80 km | 18 km |
| Aug 20, 1997 | 17 km SW of La Malbaie, Canada | M3.7 | 117 km | 18 km |
| Jan 21, 2015 | 13 km W of La Pocatière, Canada | M3.7 | 112 km | 15 km |
| Apr 7, 2006 | 16 km S of Baie-Saint-Paul, Canada | M3.7 | 91 km | 0 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 43 km | 18 km |
| Dec 1, 1993 | 15 km SSE of La Malbaie, Canada | M3.5 | 132 km | 8 km |
| Aug 27, 2011 | 24 km SSW of Montmagny, Canada | M3.5 | 66 km | 18 km |
| Aug 7, 2010 | 8 km WNW of Montmagny, Canada | M3.5 | 67 km | 25 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 118 km | 5 km |
| Jan 3, 2008 | 15 km ESE of Baie-Saint-Paul, Canada | M3.4 | 107 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 3.8 in | |
| February | 11°F (-12°C) | 3.2 in | Coldest, Driest |
| March | 22°F (-6°C) | 3.4 in | |
| April | 36°F (2°C) | 3.7 in | |
| May | 50°F (10°C) | 4.6 in | |
| June | 59°F (15°C) | 5.0 in | |
| July | 69°F (20°C) | 5.6 in | Warmest, Wettest |
| August | 63°F (17°C) | 4.8 in | |
| September | 54°F (12°C) | 5.4 in | |
| October | 43°F (6°C) | 4.8 in | |
| November | 31°F (-1°C) | 4.8 in | |
| December | 15°F (-9°C) | 4.5 in |
Shannon has a seasonal temperature swing of 58°F / from 11°F in February to 69°F in July. Total annual precipitation is 53.6 inches, with July being the wettest month (5.6") and February the driest (3.2").