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Weather & Climate in Greendale, NB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greendale has a cool climate with an average annual temperature of 42°F (6°C). Winters average 18°F in January while summers reach 64°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 47.8 inches (wetter than the 38-inch national average). The area receives 16.8 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 171 feet.
Temperature
18°F Jan (-8°C)
64°F Jul (18°C)
| Annual Average | 42.4°F |
| 21% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 171 ft (52 m) |
| Area | 223.0 sq mi (577.4 km²) |
| Population Density | 8/sq mi |
| Coordinates | 45.2532°N, 66.1033°W |
| Timezone | America/Moncton |
Precipitation & Snow
Air Quality
Earthquake History
41 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 | 113 km | 5 km |
| Feb 2, 2016 | 8 km E of Lubec, Maine | M3.6 | 74 km | 5 km |
| Jul 1, 2015 | 30 km NNW of Yarmouth, Canada | M3.5 | 130 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 21 km | 5 km |
| Mar 8, 2009 | 71 km NNE of Noonan, Canada | M3.3 | 148 km | 5 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 105 km | 1 km |
| Jul 25, 2010 | 35 km S of Fundy Bay, Canada | M3.2 | 109 km | 5 km |
| Mar 21, 2013 | 60 km NNE of Noonan, Canada | M3.2 | 131 km | 5 km |
| Jul 3, 2024 | 67 km SW of Miramichi, Canada | M3.1 | 147 km | 12 km |
| Oct 15, 2003 | 11 km E of Saint Andrews, Canada | M3.1 | 66 km | 18 km |
| Aug 17, 2022 | 3 km SE of Centerville, Maine | M3.0 | 136 km | 5 km |
| Mar 14, 2018 | 16 km WNW of Saint John, Canada | M2.9 | 14 km | 2 km |
| Apr 22, 2016 | New Brunswick, Canada | M2.9 | 138 km | 5 km |
| Jan 17, 2021 | 4 km ESE of Centerville, Maine | M2.9 | 136 km | 5 km |
| Jun 20, 2013 | 65 km NNE of Noonan, Canada | M2.9 | 141 km | 5 km |
| Jun 20, 2015 | 37 km SE of Digby, Canada | M2.9 | 110 km | 5 km |
| Aug 11, 2022 | 4 km E of Centerville, Maine | M2.8 | 134 km | 6 km |
| Nov 28, 2013 | 55 km NNW of Sussex, Canada | M2.8 | 105 km | 5 km |
| Aug 11, 2022 | Maine | M2.8 | 135 km | 4 km |
| Jul 25, 2013 | 32 km N of Keswick Ridge, Canada | M2.8 | 133 km | 5 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 | 165 km |
| 2009 | Bill | Category 1 | 75 mph | 261 km |
| 2008 | Kyle | Category 1 | 75 mph | 162 km |
| 2003 | Juan | Category 2 | 98 mph | 197 km |
| 1996 | Hortense | Category 1 | 81 mph | 245 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: SUNKEN STR (1,201 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | SUNKEN STR | 1,201 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 4.6 in | Coldest |
| February | 20°F (-7°C) | 3.3 in | |
| March | 29°F (-2°C) | 4.2 in | |
| April | 40°F (4°C) | 3.7 in | |
| May | 50°F (10°C) | 4.2 in | |
| June | 59°F (15°C) | 3.7 in | |
| July | 64°F (18°C) | 3.5 in | |
| August | 64°F (18°C) | 2.8 in | Warmest, Driest |
| September | 57°F (14°C) | 4.1 in | |
| October | 47°F (9°C) | 4.3 in | |
| November | 37°F (3°C) | 4.7 in | Wettest |
| December | 25°F (-4°C) | 4.7 in |
Greendale has a seasonal temperature swing of 47°F / from 18°F in January to 64°F in August. Total annual precipitation is 47.8 inches, with November being the wettest month (4.7") and August the driest (2.8").