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Weather & Climate in Portneuf-sur-Mer, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portneuf-sur-Mer has a cool climate with an average annual temperature of 37°F (3°C). Winters average 7°F in January while summers reach 63°F in July. The area gets 261 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 41.2 inches. The area receives 18.4 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 43 feet.
Temperature
7°F Jan (-14°C)
63°F Jul (17°C)
| Annual Average | 36.7°F |
| 32% below US avg | |
| January Average | 7°F (-14°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 70.2 sq mi (181.9 km²) |
| Population Density | 9/sq mi |
| Coordinates | 48.6273°N, 69.0968°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
55 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Mar 6, 2005 | 15 km SE of Saint-Siméon, Canada | M4.9 | 108 km | 13 km |
| Oct 28, 1997 | 18 km E of La Malbaie, Canada | M4.8 | 122 km | 12 km |
| Dec 12, 2012 | 14 km WSW of Saint-Siméon, Canada | M4.4 | 117 km | 5 km |
| Jul 11, 2013 | 13 km WSW of Saint-Siméon, Canada | M4.4 | 115 km | 15 km |
| Nov 27, 2012 | Gaspe Peninsula, Quebec, Canada | M4.2 | 130 km | 17 km |
| Jun 13, 2003 | 6 km NE of La Malbaie, Canada | M4.1 | 127 km | 11 km |
| Sep 25, 1994 | 10 km SW of Saint-Siméon, Canada | M4.1 | 115 km | 17 km |
| Feb 24, 2012 | 6 km SW of La Malbaie, Canada | M4.0 | 140 km | 1 km |
| Jun 16, 2011 | 11 km ENE of Sacré-Coeur, Canada | M3.8 | 57 km | 23 km |
| Jun 15, 2000 | 16 km N of Saint-Pascal, Canada | M3.7 | 119 km | 11 km |
| May 26, 2014 | 29 km SSE of Baie-Comeau, Canada | M3.7 | 88 km | 21 km |
| Dec 8, 1991 | 17 km SSE of Saint-Siméon, Canada | M3.6 | 116 km | 18 km |
| Dec 1, 1993 | 15 km SSE of La Malbaie, Canada | M3.5 | 142 km | 8 km |
| Apr 20, 1995 | 31 km ESE of Baie-Comeau, Canada | M3.3 | 116 km | 15 km |
| Oct 6, 2017 | 24 km SE of Baie-Comeau, Canada | M3.3 | 99 km | 22 km |
| Jan 10, 2022 | 14 km N of Saint-Pascal, Canada | M3.2 | 121 km | 18 km |
| Mar 10, 2010 | 5 km NE of La Malbaie, Canada | M3.1 | 129 km | 10 km |
| May 5, 2010 | 9 km SSE of La Malbaie, Canada | M3.1 | 138 km | 19 km |
| Aug 2, 2014 | 7 km SSW of La Malbaie, Canada | M3.0 | 141 km | 15 km |
| Jan 13, 2022 | 26 km SSE of Baie-Comeau, Canada | M3.0 | 85 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 7°F (-14°C) | 3.0 in | Coldest |
| February | 11°F (-12°C) | 2.5 in | Driest |
| March | 22°F (-6°C) | 2.6 in | |
| April | 34°F (1°C) | 3.8 in | |
| May | 47°F (8°C) | 4.1 in | Wettest |
| June | 57°F (14°C) | 3.8 in | |
| July | 63°F (17°C) | 4.1 in | Warmest |
| August | 61°F (16°C) | 3.6 in | |
| September | 52°F (11°C) | 3.6 in | |
| October | 42°F (6°C) | 3.6 in | |
| November | 30°F (-1°C) | 3.4 in | |
| December | 15°F (-9°C) | 3.1 in |
Portneuf-sur-Mer has a seasonal temperature swing of 55°F / from 7°F in January to 63°F in July. Total annual precipitation is 41.2 inches, with May being the wettest month (4.1") and February the driest (2.5").