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Weather & Climate in Fredericton, NB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fredericton has a cool climate with an average annual temperature of 45°F (7°C). Winters average 19°F in January while summers reach 70°F in July. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 56.3 inches (wetter than the 38-inch national average). The area receives 71.8 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 367 feet.
Temperature
19°F Jan (-7°C)
70°F Jul (21°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 367 ft (112 m) |
| Area | 51.7 sq mi (133.9 km²) |
| Population Density | 1,221/sq mi |
| Coordinates | 45.9454°N, 66.6656°W |
| Timezone | America/Moncton |
Precipitation & Snow
Air Quality
Earthquake History
65 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 | 120 km | 5 km |
| May 6, 1995 | 83 km W of Miramichi, Canada | M3.9 | 117 km | 5 km |
| Jul 14, 1994 | 83 km W of Miramichi, Canada | M3.8 | 117 km | 5 km |
| Jan 5, 2005 | 81 km W of Miramichi, Canada | M3.7 | 119 km | 5 km |
| Aug 27, 2015 | 27 km N of Noonan, Canada | M3.6 | 30 km | 5 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 140 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 139 km | 5 km |
| Jun 1, 2006 | 19 km NE of Florenceville-Bristol, Canada | M3.6 | 93 km | 5 km |
| Feb 2, 2016 | 8 km E of Lubec, Maine | M3.6 | 121 km | 5 km |
| Mar 8, 2009 | 72 km NNE of Noonan, Canada | M3.6 | 77 km | 5 km |
| Dec 12, 1990 | 83 km W of Miramichi, Canada | M3.5 | 117 km | 5 km |
| Oct 18, 2003 | 48 km ESE of Hamlin, Maine | M3.5 | 118 km | 18 km |
| Apr 28, 2014 | 81 km W of Miramichi, Canada | M3.4 | 118 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 69 km | 5 km |
| Mar 8, 2009 | 71 km NNE of Noonan, Canada | M3.3 | 78 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 139 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 139 km | 5 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 65 km | 1 km |
| Apr 23, 1991 | 83 km W of Miramichi, Canada | M3.3 | 117 km | 5 km |
| Mar 21, 2013 | 60 km NNE of Noonan, Canada | M3.2 | 68 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 | 250 km |
| 2008 | Kyle | Category 1 | 75 mph | 241 km |
| 2003 | Juan | Category 2 | 98 mph | 222 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°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 | 70°F (21°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 |
Fredericton has a seasonal temperature swing of 53°F / from 17°F in February to 70°F in July. Total annual precipitation is 45.2 inches, with December being the wettest month (4.4") and February the driest (3.2").