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Weather & Climate in Dundas, NB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dundas has a cool climate with an average annual temperature of 41°F (5°C). Winters average 16°F in January while summers reach 65°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.4 inches (wetter than the 38-inch national average). The area receives 20.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 246 feet.
Temperature
16°F Jan (-9°C)
65°F Jul (18°C)
| Annual Average | 41.0°F |
| 24% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 246 ft (75 m) |
| Area | 66.5 sq mi (172.3 km²) |
| Population Density | 65/sq mi |
| Coordinates | 46.2786°N, 64.8571°W |
| Timezone | America/Moncton |
Precipitation & Snow
Air Quality
Earthquake History
21 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Aug 27, 2015 | 27 km N of Noonan, Canada | M3.6 | 134 km | 5 km |
| Mar 8, 2009 | 72 km NNE of Noonan, Canada | M3.6 | 117 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 149 km | 5 km |
| Mar 8, 2009 | 71 km NNE of Noonan, Canada | M3.3 | 112 km | 5 km |
| Jul 20, 2007 | 28 km W of Miramichi, Canada | M3.2 | 117 km | 5 km |
| Mar 21, 2013 | 60 km NNE of Noonan, Canada | M3.2 | 99 km | 5 km |
| Jul 3, 2024 | 67 km SW of Miramichi, Canada | M3.1 | 99 km | 12 km |
| Jan 2, 2013 | 75 km W of Miramichi, Canada | M3.0 | 150 km | 5 km |
| Mar 14, 2018 | 16 km WNW of Saint John, Canada | M2.9 | 149 km | 2 km |
| Mar 7, 2019 | 15 km WSW of Miramichi, Canada | M2.9 | 99 km | 10 km |
| Apr 22, 2016 | New Brunswick, Canada | M2.9 | 91 km | 5 km |
| Jun 20, 2013 | 65 km NNE of Noonan, Canada | M2.9 | 110 km | 5 km |
| Nov 28, 2013 | 55 km NNW of Sussex, Canada | M2.8 | 74 km | 5 km |
| Jul 8, 2022 | 49 km WNW of Miramichi, Canada | M2.7 | 137 km | 6 km |
| Mar 7, 2008 | 32 km S of Miramichi, Canada | M2.7 | 68 km | 5 km |
| Jan 3, 2017 | 20 km E of Oromocto, Canada | M2.7 | 115 km | 5 km |
| Nov 28, 2013 | 60 km SSW of Miramichi, Canada | M2.6 | 73 km | 5 km |
| Apr 22, 2016 | 69 km SSW of Miramichi, Canada | M2.6 | 92 km | 5 km |
| Feb 2, 2018 | 55 km NNW of Sussex, Canada | M2.6 | 77 km | 2 km |
| Feb 1, 2018 | 54 km NNW of Sussex, Canada | M2.6 | 77 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2010 | Earl | Category 1 | 75 mph | 155 km |
| 2009 | Bill | Category 1 | 75 mph | 279 km |
| 2008 | Kyle | Category 1 | 75 mph | 295 km |
| 2003 | Juan | Category 2 | 98 mph | 87 km |
| 1996 | Hortense | Category 1 | 81 mph | 246 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 4.3 in | Coldest, Wettest |
| February | 18°F (-8°C) | 3.5 in | |
| March | 27°F (-3°C) | 4.0 in | |
| April | 37°F (3°C) | 3.5 in | |
| May | 49°F (10°C) | 4.1 in | |
| June | 59°F (15°C) | 3.9 in | |
| July | 65°F (18°C) | 4.0 in | Warmest |
| August | 64°F (18°C) | 3.4 in | Driest |
| September | 56°F (13°C) | 3.5 in | |
| October | 45°F (7°C) | 3.8 in | |
| November | 35°F (1°C) | 4.1 in | |
| December | 22°F (-6°C) | 4.2 in |
Dundas has a seasonal temperature swing of 49°F / from 16°F in January to 65°F in July. Total annual precipitation is 46.4 inches, with January being the wettest month (4.3") and August the driest (3.4").