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Weather & Climate in Bristol, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bristol has a cool climate with an average annual temperature of 41°F (5°C). Winters average 10°F in January while summers reach 67°F in July. The area gets 275 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 33.7 inches. The area receives 12.2 inches of snow annually. The city sits at an elevation of 325 feet.
Temperature
10°F Jan (-13°C)
67°F Jul (20°C)
| Annual Average | 40.6°F |
| 25% below US avg | |
| January Average | 10°F (-13°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 325 ft (99 m) |
| Area | 79.6 sq mi (206.2 km²) |
| Population Density | 15/sq mi |
| Coordinates | 45.5182°N, 76.4161°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
134 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 | 84 km | 19 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 27 km | 13 km |
| Oct 19, 1990 | 11 km SW of Mont-Laurier, Canada | M4.6 | 124 km | 13 km |
| Dec 25, 1993 | 9 km WSW of Mont-Laurier, Canada | M4.3 | 126 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 111 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 124 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 135 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 95 km | 11 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 130 km | 18 km |
| Mar 6, 1991 | 49 km NNW of Fort-Coulonge, Canada | M3.9 | 92 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 147 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 93 km | 5 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 149 km | 10 km |
| Nov 6, 2012 | Ontario-Quebec border region, Canada | M3.7 | 142 km | 11 km |
| Aug 30, 1993 | 14 km WNW of Rivière-Rouge, Canada | M3.7 | 148 km | 16 km |
| Feb 26, 1998 | 33 km SW of Saint-Raphaël, Canada | M3.7 | 62 km | 18 km |
| Mar 19, 2025 | 17 km W of Rivière-Rouge, Canada | M3.7 | 143 km | 10 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M3.6 | 27 km | 11 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 81 km | 18 km |
| Nov 2, 2009 | 5 km S of Lac-Simon, Canada | M3.6 | 145 km | 4 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 | 69 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-13°C) | 2.4 in | Coldest |
| February | 13°F (-11°C) | 1.9 in | Driest |
| March | 24°F (-5°C) | 2.3 in | |
| April | 39°F (4°C) | 2.5 in | |
| May | 53°F (12°C) | 3.1 in | |
| June | 62°F (17°C) | 3.1 in | |
| July | 67°F (20°C) | 3.3 in | Warmest, Wettest |
| August | 66°F (19°C) | 3.2 in | |
| September | 57°F (14°C) | 3.2 in | |
| October | 45°F (7°C) | 3.1 in | |
| November | 34°F (1°C) | 3.1 in | |
| December | 18°F (-8°C) | 2.4 in |
Bristol has a seasonal temperature swing of 58°F / from 10°F in January to 67°F in July. Total annual precipitation is 33.7 inches, with July being the wettest month (3.3") and February the driest (1.9").