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Weather & Climate in Saint-Roch-Ouest, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Roch-Ouest has a cool climate with an average annual temperature of 41°F (5°C). Winters average 10°F in January while summers reach 68°F in July. The area gets 266 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 38.5 inches. The area receives 13.7 inches of snow annually. The city sits at an elevation of 180 feet.
Temperature
10°F Jan (-12°C)
68°F Jul (20°C)
| Annual Average | 41.1°F |
| 24% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 180 ft (55 m) |
| Area | 7.8 sq mi (20.2 km²) |
| Population Density | 34/sq mi |
| Coordinates | 45.8581°N, 73.6536°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
166 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 | 141 km | 19 km |
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 150 km | 5 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 62 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 70 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 52 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 61 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 109 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 94 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 108 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 123 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 32 km | 9 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 129 km | 18 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 76 km | 8 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 74 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 126 km | 5 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 76 km | 17 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 27 km | 10 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 90 km | 10 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 86 km | 18 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 72 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 2.8 in | Coldest |
| February | 12°F (-11°C) | 2.1 in | Driest |
| March | 24°F (-5°C) | 2.1 in | |
| April | 39°F (4°C) | 2.9 in | |
| May | 54°F (12°C) | 3.4 in | |
| June | 63°F (17°C) | 3.8 in | |
| July | 68°F (20°C) | 3.6 in | Warmest |
| August | 67°F (19°C) | 3.7 in | |
| September | 58°F (14°C) | 3.9 in | Wettest |
| October | 46°F (8°C) | 3.6 in | |
| November | 35°F (1°C) | 3.7 in | |
| December | 19°F (-7°C) | 3.0 in |
Saint-Roch-Ouest has a seasonal temperature swing of 59°F / from 10°F in January to 68°F in July. Total annual precipitation is 38.5 inches, with September being the wettest month (3.9") and February the driest (2.1").