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Weather & Climate in Nisga'a, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nisga'a has a cool climate with an average annual temperature of 32°F (0°C). Winters average 19°F in January while summers reach 46°F in July. The area gets 211 sunny days per year. Annual precipitation totals 68.7 inches (wetter than the 38-inch national average). The area receives 47.3 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 4,606 feet.
Temperature
19°F Jan (-7°C)
46°F Jul (8°C)
| Annual Average | 32.3°F |
| 40% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 211 days/yr |
Geography
| Elevation | 4,606 ft (1,404 m) |
| Area | 772.7 sq mi (2,001.3 km²) |
| Population Density | 2/sq mi |
| Coordinates | 55.1760°N, 129.4994°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.1.
| Jan 18, 2008 | 17 km E of Hyder, Alaska | M3.1 | 87 km | 5 km |
| Apr 12, 2019 | 22 km WNW of Hyder, Alaska | M3.0 | 105 km | 8 km |
| Jan 18, 2008 | 11 km N of Hyder, Alaska | M2.9 | 100 km | 16 km |
| May 12, 2016 | 20 km NW of Hyder, Alaska | M2.8 | 108 km | 4 km |
| Sep 11, 2015 | 5 km SE of Hyder, Alaska | M2.8 | 84 km | 11 km |
| Jun 21, 2020 | 62 km WNW of Terrace, Canada | M2.8 | 58 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 4.1 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1975 | KITIMAT INLET, BRITISH COLUMBIA | Meteorological | 4.1 m | — | 143 km |
| 1974 | KITIMAT INLET, BRITISH COLOMBIA | Meteorological | 2.8 m | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Iskut-Unuk River Cones (169 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Iskut-Unuk River Cones | Pyroclastic cone(s) | 1,880 m (6,168 ft) | 1800 | 169 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 7.8 in | Coldest |
| February | 22°F (-5°C) | 5.8 in | |
| March | 24°F (-4°C) | 4.8 in | |
| April | 30°F (-1°C) | 3.4 in | |
| May | 37°F (3°C) | 3.3 in | Driest |
| June | 42°F (6°C) | 3.4 in | |
| July | 46°F (8°C) | 3.4 in | |
| August | 47°F (8°C) | 4.4 in | Warmest |
| September | 42°F (5°C) | 7.0 in | |
| October | 33°F (1°C) | 9.1 in | Wettest |
| November | 24°F (-4°C) | 8.0 in | |
| December | 20°F (-6°C) | 8.4 in |
Nisga'a has a seasonal temperature swing of 28°F / from 19°F in January to 47°F in August. Total annual precipitation is 68.7 inches, with October being the wettest month (9.1") and May the driest (3.3").