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Weather & Climate in Lewisville, NB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lewisville 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 221 sunny days per year, above the national average. Annual precipitation totals 56.0 inches (wetter than the 38-inch national average). The area receives 80.9 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 138 feet.
Temperature
26°F Jan (-3°C)
71°F Jul (22°C)
| Annual Average | 44.8°F |
| 17% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 221 days/yr |
Geography
| Elevation | 138 ft (42 m) |
| Area | 302.0 sq mi (782.1 km²) |
| Population Density | 30/sq mi |
| Coordinates | 46.1044°N, 64.7532°W |
| Timezone | America/Moncton |
Precipitation & Snow
Air Quality
Earthquake History
19 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Mar 8, 2009 | 72 km NNE of Noonan, Canada | M3.6 | 132 km | 5 km |
| Aug 27, 2015 | 27 km N of Noonan, Canada | M3.6 | 142 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 144 km | 5 km |
| Mar 8, 2009 | 71 km NNE of Noonan, Canada | M3.3 | 127 km | 5 km |
| Jul 20, 2007 | 28 km W of Miramichi, Canada | M3.2 | 137 km | 5 km |
| Mar 21, 2013 | 60 km NNE of Noonan, Canada | M3.2 | 111 km | 5 km |
| Jul 3, 2024 | 67 km SW of Miramichi, Canada | M3.1 | 114 km | 12 km |
| Apr 22, 2016 | New Brunswick, Canada | M2.9 | 105 km | 5 km |
| Jun 20, 2013 | 65 km NNE of Noonan, Canada | M2.9 | 124 km | 5 km |
| Mar 7, 2019 | 15 km WSW of Miramichi, Canada | M2.9 | 119 km | 10 km |
| Mar 14, 2018 | 16 km WNW of Saint John, Canada | M2.9 | 143 km | 2 km |
| Nov 28, 2013 | 55 km NNW of Sussex, Canada | M2.8 | 82 km | 5 km |
| Jan 3, 2017 | 20 km E of Oromocto, Canada | M2.7 | 117 km | 5 km |
| Mar 7, 2008 | 32 km S of Miramichi, Canada | M2.7 | 88 km | 5 km |
| Feb 2, 2018 | 55 km NNW of Sussex, Canada | M2.6 | 85 km | 2 km |
| Apr 22, 2016 | 69 km SSW of Miramichi, Canada | M2.6 | 106 km | 5 km |
| Nov 28, 2013 | 60 km SSW of Miramichi, Canada | M2.6 | 89 km | 5 km |
| Feb 1, 2018 | 54 km NNW of Sussex, Canada | M2.6 | 84 km | 2 km |
| Apr 24, 2015 | 67 km NW of Salisbury, Canada | M2.5 | 84 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 | 138 km |
| 2009 | Bill | Category 1 | 75 mph | 259 km |
| 2008 | Kyle | Category 1 | 75 mph | 280 km |
| 2003 | Juan | Category 2 | 98 mph | 75 km |
| 1996 | Hortense | Category 1 | 81 mph | 228 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 4.3 in | |
| February | 19°F (-7°C) | 3.5 in | Coldest |
| March | 28°F (-2°C) | 4.1 in | |
| April | 39°F (4°C) | 3.5 in | |
| May | 51°F (10°C) | 3.9 in | |
| June | 60°F (16°C) | 4.0 in | |
| July | 71°F (22°C) | 3.9 in | Warmest |
| August | 66°F (19°C) | 3.4 in | Driest |
| September | 57°F (14°C) | 3.5 in | |
| October | 46°F (8°C) | 3.9 in | |
| November | 36°F (2°C) | 4.1 in | |
| December | 23°F (-5°C) | 4.4 in | Wettest |
Lewisville has a seasonal temperature swing of 53°F / from 19°F in February to 71°F in July. Total annual precipitation is 46.4 inches, with December being the wettest month (4.4") and August the driest (3.4").