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Weather & Climate in Sunbury-York South, NB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sunbury-York South has a cool climate with an average annual temperature of 45°F (7°C). Winters average 26°F in January while summers reach 71°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 55.6 inches (wetter than the 38-inch national average). The area receives 68.2 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 180 feet.
Temperature
26°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 180 ft (55 m) |
| Area | 92.5 sq mi (239.4 km²) |
| Population Density | 81/sq mi |
| Coordinates | 45.8378°N, 66.6098°W |
| Timezone | America/Moncton |
Precipitation & Snow
Air Quality
Earthquake History
64 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jul 15, 1998 | 84 km W of Miramichi, Canada | M4.0 | 132 km | 5 km |
| May 6, 1995 | 83 km W of Miramichi, Canada | M3.9 | 129 km | 5 km |
| Jul 14, 1994 | 83 km W of Miramichi, Canada | M3.8 | 129 km | 5 km |
| Jan 5, 2005 | 81 km W of Miramichi, Canada | M3.7 | 130 km | 5 km |
| Aug 27, 2015 | 27 km N of Noonan, Canada | M3.6 | 41 km | 5 km |
| Jun 1, 2006 | 19 km NE of Florenceville-Bristol, Canada | M3.6 | 105 km | 5 km |
| Feb 2, 2016 | 8 km E of Lubec, Maine | M3.6 | 110 km | 5 km |
| Mar 8, 2009 | 72 km NNE of Noonan, Canada | M3.6 | 88 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 138 km | 5 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 139 km | 5 km |
| Oct 18, 2003 | 48 km ESE of Hamlin, Maine | M3.5 | 130 km | 18 km |
| Dec 12, 1990 | 83 km W of Miramichi, Canada | M3.5 | 129 km | 5 km |
| Apr 28, 2014 | 81 km W of Miramichi, Canada | M3.4 | 129 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 56 km | 5 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 63 km | 1 km |
| Apr 23, 1991 | 83 km W of Miramichi, Canada | M3.3 | 129 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 138 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 138 km | 5 km |
| Mar 8, 2009 | 71 km NNE of Noonan, Canada | M3.3 | 88 km | 5 km |
| Mar 21, 2013 | 60 km NNE of Noonan, Canada | M3.2 | 76 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 | 238 km |
| 2008 | Kyle | Category 1 | 75 mph | 229 km |
| 2003 | Juan | Category 2 | 98 mph | 218 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 4.2 in | |
| February | 17°F (-8°C) | 3.2 in | Coldest, Driest |
| March | 28°F (-2°C) | 3.8 in | |
| April | 40°F (4°C) | 3.5 in | |
| May | 52°F (11°C) | 3.8 in | |
| June | 61°F (16°C) | 3.5 in | |
| July | 71°F (22°C) | 3.6 in | Warmest |
| August | 65°F (19°C) | 3.5 in | |
| September | 56°F (14°C) | 3.7 in | |
| October | 46°F (8°C) | 3.8 in | |
| November | 35°F (1°C) | 4.2 in | |
| December | 21°F (-6°C) | 4.4 in | Wettest |
Sunbury-York South has a seasonal temperature swing of 54°F / from 17°F in February to 71°F in July. Total annual precipitation is 45.2 inches, with December being the wettest month (4.4") and February the driest (3.2").