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Weather & Climate in Saint-Polycarpe, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Polycarpe has a cool climate with an average annual temperature of 43°F (6°C). Winters average 13°F in January while summers reach 69°F in July. The area gets 264 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 39.7 inches. The area receives 10.6 inches of snow annually. The city sits at an elevation of 177 feet.
Temperature
13°F Jan (-11°C)
69°F Jul (21°C)
| Annual Average | 42.7°F |
| 21% below US avg | |
| January Average | 13°F (-11°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 177 ft (54 m) |
| Area | 27.0 sq mi (69.9 km²) |
| Population Density | 88/sq mi |
| Coordinates | 45.3001°N, 74.2992°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
173 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 | 100 km | 5 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 77 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 24 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 76 km | 10 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 61 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 62 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 68 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 112 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 79 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 95 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 15 km | 8 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 133 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 40 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 80 km | 5 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 33 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 101 km | 10 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 107 km | 10 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 88 km | 18 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 29 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 | 114 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 | 71 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-11°C) | 2.8 in | Coldest |
| February | 15°F (-9°C) | 2.4 in | Driest |
| March | 26°F (-3°C) | 2.5 in | |
| April | 41°F (5°C) | 3.2 in | |
| May | 55°F (13°C) | 3.5 in | |
| June | 64°F (18°C) | 3.9 in | Wettest |
| July | 69°F (21°C) | 3.7 in | Warmest |
| August | 67°F (20°C) | 3.8 in | |
| September | 59°F (15°C) | 3.7 in | |
| October | 47°F (8°C) | 3.7 in | |
| November | 36°F (2°C) | 3.7 in | |
| December | 21°F (-6°C) | 3.0 in |
Saint-Polycarpe has a seasonal temperature swing of 56°F / from 13°F in January to 69°F in July. Total annual precipitation is 39.7 inches, with June being the wettest month (3.9") and February the driest (2.4").