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Weather & Climate in Rivière-au-Tonnerre, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rivière-au-Tonnerre has a cool climate with an average annual temperature of 34°F (1°C). Winters average 6°F in January while summers reach 59°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 41.9 inches. The area receives 17.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 26 feet.
Temperature
6°F Jan (-14°C)
59°F Jul (15°C)
| Annual Average | 34.2°F |
| 37% below US avg | |
| January Average | 6°F (-14°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 233.7 sq mi (605.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | 50.2758°N, 64.7748°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Mar 16, 1999 | 55 km NNE of Sainte-Anne-des-Monts, Canada | M4.4 | 133 km | 18 km |
| Sep 21, 2013 | 53 km SSE of Maliotenam, Canada | M4.2 | 99 km | 18 km |
| Mar 24, 2001 | 29 km SE of Havre-Saint-Pierre, Canada | M4.2 | 105 km | 18 km |
| Mar 21, 1991 | 41 km SSE of Saint-Alexandre, Canada | M4.0 | 145 km | 18 km |
| Oct 2, 2011 | 114 km NNW of Havre-Saint-Pierre, Canada | M4.0 | 112 km | 26 km |
| Mar 20, 1991 | 44 km SE of Saint-Alexandre, Canada | M3.7 | 137 km | 18 km |
| Sep 16, 2001 | 48 km NNE of Havre-Saint-Pierre, Canada | M3.7 | 110 km | 5 km |
| May 28, 2006 | 50 km NNE of Sainte-Anne-des-Monts, Canada | M3.6 | 134 km | 18 km |
| Jul 21, 2009 | 63 km SSE of Maliotenam, Canada | M3.5 | 90 km | 14 km |
| May 28, 2006 | 49 km NNE of Sainte-Anne-des-Monts, Canada | M3.3 | 135 km | 20 km |
| May 9, 2006 | 24 km SSE of Sept-Îles, Canada | M3.0 | 113 km | 18 km |
| Jan 3, 2019 | 77 km ENE of Maliotenam, Canada | M2.9 | 45 km | 15 km |
| Sep 28, 2017 | 10 km N of Havre-Saint-Pierre, Canada | M2.8 | 85 km | 1 km |
| Sep 28, 2017 | 3 km NE of Havre-Saint-Pierre, Canada | M2.7 | 86 km | 5 km |
| Jul 29, 2022 | eastern Quebec, Canada | M2.6 | 87 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 6°F (-14°C) | 2.6 in | Coldest |
| February | 9°F (-13°C) | 2.1 in | Driest |
| March | 19°F (-7°C) | 2.6 in | |
| April | 31°F (-0°C) | 3.2 in | |
| May | 42°F (6°C) | 3.5 in | |
| June | 53°F (12°C) | 3.8 in | |
| July | 59°F (15°C) | 3.8 in | Warmest |
| August | 58°F (15°C) | 4.1 in | |
| September | 50°F (10°C) | 4.4 in | |
| October | 40°F (4°C) | 4.6 in | Wettest |
| November | 29°F (-2°C) | 4.0 in | |
| December | 14°F (-10°C) | 3.3 in |
Rivière-au-Tonnerre has a seasonal temperature swing of 53°F / from 6°F in January to 59°F in July. Total annual precipitation is 41.9 inches, with October being the wettest month (4.6") and February the driest (2.1").