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Weather & Climate in Dunham, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dunham has a cool climate with an average annual temperature of 42°F (5°C). Winters average 14°F in January while summers reach 67°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.5 inches (wetter than the 38-inch national average). The area receives 17.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 502 feet.
Temperature
14°F Jan (-10°C)
67°F Jul (19°C)
| Annual Average | 41.8°F |
| 23% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 502 ft (153 m) |
| Area | 74.9 sq mi (193.9 km²) |
| Population Density | 48/sq mi |
| Coordinates | 45.1334°N, 72.7991°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
78 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 99 km | 5 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 132 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 143 km | 18 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 78 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 105 km | 8 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 146 km | 10 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 55 km | 17 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 115 km | 10 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 87 km | 18 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 96 km | 18 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 101 km | 1 km |
| Jun 16, 1995 | 8 km N of Lisbon, New Hampshire | M3.8 | 117 km | 5 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 86 km | 13 km |
| Apr 8, 2003 | 17 km ESE of Saint Regis Falls, New York | M3.7 | 134 km | 10 km |
| Sep 12, 1995 | 8 km S of Brownsburg-Chatham, Canada | M3.7 | 138 km | 18 km |
| Apr 20, 2002 | 5 km NNW of Au Sable Forks, New York | M3.7 | 100 km | 5 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 101 km | 5 km |
| Feb 28, 2010 | 5 km NNW of Brownsburg-Chatham, Canada | M3.4 | 145 km | 7 km |
| Apr 8, 2005 | 6 km SW of Saint-Gabriel, Canada | M3.4 | 135 km | 18 km |
| Jan 13, 2020 | 5 km SW of Franklin, Canada | M3.4 | 93 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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 | 72 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 3.3 in | Coldest |
| February | 16°F (-9°C) | 2.6 in | Driest |
| March | 27°F (-3°C) | 3.2 in | |
| April | 41°F (5°C) | 3.6 in | |
| May | 54°F (12°C) | 4.1 in | |
| June | 62°F (17°C) | 4.3 in | |
| July | 67°F (19°C) | 4.8 in | Warmest |
| August | 65°F (18°C) | 4.8 in | Wettest |
| September | 57°F (14°C) | 4.3 in | |
| October | 46°F (8°C) | 4.3 in | |
| November | 34°F (1°C) | 4.3 in | |
| December | 21°F (-6°C) | 3.8 in |
Dunham has a seasonal temperature swing of 53°F / from 14°F in January to 67°F in July. Total annual precipitation is 47.5 inches, with August being the wettest month (4.8") and February the driest (2.6").