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Weather & Climate in Mille-Isles, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mille-Isles has a cool climate with an average annual temperature of 40°F (5°C). Winters average 10°F in January while summers reach 67°F in July. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 44.5 inches. The area receives 16.9 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,207 feet.
Temperature
10°F Jan (-12°C)
67°F Jul (19°C)
| Annual Average | 40.1°F |
| 26% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 1,207 ft (368 m) |
| Area | 22.7 sq mi (58.7 km²) |
| Population Density | 76/sq mi |
| Coordinates | 45.8159°N, 74.2187°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
182 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 | 98 km | 19 km |
| Oct 19, 1990 | 11 km SW of Mont-Laurier, Canada | M4.6 | 128 km | 13 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 25 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 38 km | 18 km |
| Dec 25, 1993 | 9 km WSW of Mont-Laurier, Canada | M4.3 | 132 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 9 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 24 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 66 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 50 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 71 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 | 74 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 62 km | 8 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 94 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 33 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 82 km | 5 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 41 km | 18 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 70 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 55 km | 10 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 78 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 | 107 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 3.4 in | Coldest |
| February | 13°F (-11°C) | 2.8 in | Driest |
| March | 24°F (-5°C) | 2.9 in | |
| April | 38°F (3°C) | 3.4 in | |
| May | 52°F (11°C) | 3.7 in | |
| June | 61°F (16°C) | 4.4 in | Wettest |
| July | 67°F (19°C) | 3.9 in | Warmest |
| August | 65°F (18°C) | 4.1 in | |
| September | 56°F (13°C) | 4.1 in | |
| October | 45°F (7°C) | 4.0 in | |
| November | 33°F (0°C) | 4.2 in | |
| December | 18°F (-8°C) | 3.7 in |
Mille-Isles has a seasonal temperature swing of 57°F / from 10°F in January to 67°F in July. Total annual precipitation is 44.5 inches, with June being the wettest month (4.4") and February the driest (2.8").