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Weather & Climate in Dennis-Weston, NB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dennis-Weston has a cool climate with an average annual temperature of 42°F (6°C). Winters average 16°F in January while summers reach 67°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.6 inches. The area receives 19.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 213 feet.
Temperature
16°F Jan (-9°C)
67°F Jul (19°C)
| Annual Average | 42.4°F |
| 21% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 213 ft (65 m) |
| Area | 39.7 sq mi (102.8 km²) |
| Population Density | 24/sq mi |
| Coordinates | 45.2417°N, 67.2845°W |
| Timezone | America/Moncton |
Precipitation & Snow
Air Quality
Earthquake History
42 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 72 km | 5 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 74 km | 5 km |
| Feb 2, 2016 | 8 km E of Lubec, Maine | M3.6 | 52 km | 5 km |
| Jun 1, 2006 | 19 km NE of Florenceville-Bristol, Canada | M3.6 | 150 km | 5 km |
| Aug 27, 2015 | 27 km N of Noonan, Canada | M3.6 | 120 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 79 km | 5 km |
| Oct 25, 2001 | 4 km S of Howland, Maine | M3.3 | 109 km | 9 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 41 km | 1 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 72 km | 5 km |
| Jan 14, 2023 | 7 km ESE of Dedham, Maine | M3.3 | 120 km | 10 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 72 km | 5 km |
| Jul 25, 2010 | 35 km S of Fundy Bay, Canada | M3.2 | 97 km | 5 km |
| Oct 15, 2003 | 11 km E of Saint Andrews, Canada | M3.1 | 34 km | 18 km |
| Aug 17, 2022 | 3 km SE of Centerville, Maine | M3.0 | 68 km | 5 km |
| Mar 30, 2010 | 7 km WSW of Dedham, Maine | M3.0 | 132 km | 4 km |
| Jan 17, 2021 | 4 km ESE of Centerville, Maine | M2.9 | 67 km | 5 km |
| Mar 14, 2018 | 16 km WNW of Saint John, Canada | M2.9 | 83 km | 2 km |
| Aug 11, 2022 | Maine | M2.8 | 66 km | 4 km |
| Aug 11, 2022 | 4 km E of Centerville, Maine | M2.8 | 65 km | 6 km |
| Jul 25, 2013 | 32 km N of Keswick Ridge, Canada | M2.8 | 120 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 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 | 244 km |
| 2008 | Kyle | Category 1 | 75 mph | 182 km |
| 2003 | Juan | Category 2 | 98 mph | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: SUNKEN STR (1,201 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | SUNKEN STR | 1,201 | 45 km |
| 1984 | UNNAMED | 901 | 78 km |
| 2006 | CENTERVILLE FIRE | 705 | 70 km |
| 2001 | UNNAMED | 627 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 4.0 in | Coldest |
| February | 19°F (-7°C) | 3.0 in | Driest |
| March | 29°F (-2°C) | 3.9 in | |
| April | 41°F (5°C) | 3.9 in | |
| May | 52°F (11°C) | 4.0 in | |
| June | 61°F (16°C) | 3.5 in | |
| July | 67°F (19°C) | 3.5 in | Warmest |
| August | 65°F (19°C) | 3.4 in | |
| September | 56°F (14°C) | 3.7 in | |
| October | 46°F (8°C) | 4.0 in | |
| November | 35°F (2°C) | 4.5 in | Wettest |
| December | 23°F (-5°C) | 4.2 in |
Dennis-Weston has a seasonal temperature swing of 50°F / from 16°F in January to 67°F in July. Total annual precipitation is 45.6 inches, with November being the wettest month (4.5") and February the driest (3.0").