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Weather & Climate in Old Massett, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Old Massett experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 36°F in January while summers reach 56°F in July. The area gets 222 sunny days per year, above the national average. Annual precipitation totals 62.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 30 feet.
Temperature
36°F Jan (2°C)
56°F Jul (13°C)
| Annual Average | 45.7°F |
| 15% below US avg | |
| January Average | 36°F (2°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 222 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 1.2 sq mi (3.2 km²) |
| Population Density | 88/sq mi |
| Coordinates | 54.0403°N, 132.1893°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
95 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.8.
| Oct 28, 2012 | 206 km SW of Prince Rupert, Canada | M7.8 | 139 km | 14 km |
| Feb 17, 2001 | 151 km SSW of Hydaburg, Alaska | M6.2 | 94 km | 20 km |
| Oct 28, 2012 | 226 km SW of Prince Rupert, Canada | M5.4 | 138 km | 10 km |
| Jan 12, 1990 | 85 km WSW of Prince Rupert, Canada | M5.3 | 53 km | 10 km |
| Nov 13, 2012 | 212 km SSW of Prince Rupert, Canada | M5.1 | 149 km | 22 km |
| Sep 5, 2002 | 139 km SSW of Hydaburg, Alaska | M5.1 | 104 km | 20 km |
| Oct 28, 2012 | 223 km SW of Prince Rupert, Canada | M5.1 | 146 km | 11 km |
| Oct 28, 2012 | 226 km SW of Prince Rupert, Canada | M4.9 | 143 km | 10 km |
| Oct 28, 2012 | 204 km SW of Prince Rupert, Canada | M4.9 | 127 km | 22 km |
| Oct 28, 2012 | 198 km SW of Prince Rupert, Canada | M4.8 | 121 km | 10 km |
| Feb 17, 2001 | 161 km SSW of Hydaburg, Alaska | M4.7 | 90 km | 10 km |
| Oct 28, 2012 | 226 km SW of Prince Rupert, Canada | M4.7 | 147 km | 10 km |
| Oct 28, 2012 | 220 km SW of Prince Rupert, Canada | M4.7 | 149 km | 10 km |
| Nov 13, 2012 | 225 km SW of Prince Rupert, Canada | M4.7 | 139 km | 10 km |
| Oct 28, 2012 | 225 km SW of Prince Rupert, Canada | M4.7 | 141 km | 10 km |
| Jun 10, 1990 | 197 km SSW of Prince Rupert, Canada | M4.6 | 137 km | 10 km |
| Dec 6, 2012 | 199 km SW of Prince Rupert, Canada | M4.6 | 116 km | 10 km |
| Dec 16, 2012 | 209 km SSW of Prince Rupert, Canada | M4.6 | 145 km | 10 km |
| Nov 30, 2012 | 205 km SW of Prince Rupert, Canada | M4.5 | 117 km | 18 km |
| Oct 28, 2012 | 228 km SW of Prince Rupert, Canada | M4.5 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2012 | BRITISH COLUMBIA | Earthquake | 13.0 m | 1 | 139 km |
| 1963 | GRAHAM ISLAND, BRITISH COLUMBIA | Unknown | 5.5 m | 1 | 6 km |
| 1949 | BRITISH COLUMBIA | Eruption + Earthquake | 0.6 m | — | 88 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tlevak Strait-Suemez Is. (152 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tlevak Strait-Suemez Is. | Volcanic field | 50 m (164 ft) | Unknown | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 6.4 in | Coldest |
| February | 38°F (4°C) | 5.0 in | |
| March | 39°F (4°C) | 4.9 in | |
| April | 42°F (6°C) | 4.5 in | |
| May | 47°F (8°C) | 3.6 in | |
| June | 52°F (11°C) | 3.0 in | |
| July | 56°F (13°C) | 2.9 in | Driest |
| August | 57°F (14°C) | 3.6 in | Warmest |
| September | 54°F (12°C) | 5.1 in | |
| October | 48°F (9°C) | 8.2 in | Wettest |
| November | 41°F (5°C) | 8.0 in | |
| December | 38°F (3°C) | 7.5 in |
Old Massett has a seasonal temperature swing of 21°F / from 36°F in January to 57°F in August. Total annual precipitation is 62.6 inches, with October being the wettest month (8.2") and July the driest (2.9").