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Weather & Climate in Portneuf, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portneuf has a cool climate with an average annual temperature of 39°F (4°C). Winters average 8°F in January while summers reach 66°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.4 inches (wetter than the 38-inch national average). The area receives 16.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 49 feet.
Temperature
8°F Jan (-13°C)
66°F Jul (19°C)
| Annual Average | 39.0°F |
| 28% below US avg | |
| January Average | 8°F (-13°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 49 ft (15 m) |
| Area | 42.1 sq mi (109.1 km²) |
| Population Density | 79/sq mi |
| Coordinates | 46.6906°N, 71.8901°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
60 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 | 39 km | 23 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 | 110 km | 10 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 149 km | 9 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 98 km | 1 km |
| Aug 17, 2002 | 12 km S of Baie-Saint-Paul, Canada | M3.8 | 127 km | 13 km |
| Aug 4, 2012 | 24 km SSW of Baie-Saint-Paul, Canada | M3.8 | 115 km | 18 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 139 km | 10 km |
| Dec 30, 1993 | 10 km E of Baie-Saint-Paul, Canada | M3.8 | 143 km | 7 km |
| Apr 7, 2006 | 16 km S of Baie-Saint-Paul, Canada | M3.7 | 127 km | 0 km |
| Jan 21, 2015 | 13 km W of La Pocatière, Canada | M3.7 | 148 km | 15 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 30 km | 18 km |
| Aug 7, 2010 | 8 km WNW of Montmagny, Canada | M3.5 | 101 km | 25 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 86 km | 5 km |
| Aug 27, 2011 | 24 km SSW of Montmagny, Canada | M3.5 | 94 km | 18 km |
| Dec 11, 2013 | 9 km W of St-Jean-Port-Joli, Canada | M3.4 | 128 km | 13 km |
| Jan 4, 2018 | 18 km SSE of Beaupré, Canada | M3.4 | 88 km | 18 km |
| Jan 3, 2008 | 15 km ESE of Baie-Saint-Paul, Canada | M3.4 | 142 km | 14 km |
| Apr 8, 2005 | 6 km SW of Saint-Gabriel, Canada | M3.4 | 129 km | 18 km |
| Apr 29, 2009 | 7 km SSE of L'Ange-Gardien, Canada | M3.4 | 66 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 8°F (-13°C) | 3.0 in | Coldest |
| February | 11°F (-12°C) | 2.6 in | Driest |
| March | 23°F (-5°C) | 2.8 in | |
| April | 37°F (3°C) | 3.3 in | |
| May | 51°F (11°C) | 4.3 in | |
| June | 60°F (16°C) | 4.6 in | |
| July | 66°F (19°C) | 5.2 in | Warmest, Wettest |
| August | 64°F (18°C) | 4.3 in | |
| September | 55°F (13°C) | 5.0 in | |
| October | 44°F (7°C) | 4.5 in | |
| November | 32°F (0°C) | 4.1 in | |
| December | 17°F (-9°C) | 3.8 in |
Portneuf has a seasonal temperature swing of 58°F / from 8°F in January to 66°F in July. Total annual precipitation is 47.4 inches, with July being the wettest month (5.2") and February the driest (2.6").