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Weather & Climate in Shackan 11, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shackan 11 has a cool climate with an average annual temperature of 40°F (5°C). Winters average 22°F in January while summers reach 58°F in July. The area gets 300 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 19.6 inches (drier than the 38-inch national average). The area receives 9.5 inches of snow annually. The city sits at an elevation of 2,743 feet.
Temperature
22°F Jan (-6°C)
58°F Jul (15°C)
| Annual Average | 40.1°F |
| 26% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 300 days/yr |
Geography
| Elevation | 2,743 ft (836 m) |
| Area | 9.9 sq mi (25.5 km²) |
| Population Density | 5/sq mi |
| Coordinates | 50.2868°N, 121.1986°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 17, 2002 | 39 km ESE of Merritt, Canada | M4.5 | 74 km | 10 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 127 km | 5 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 61 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 91 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 131 km | 7 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 117 km | 5 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 125 km | 5 km |
| Aug 12, 2011 | 38 km NNE of Maple Ridge, Canada | M3.3 | 119 km | 20 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 74 km | 10 km |
| Aug 19, 2017 | 23 km WNW of Princeton, Canada | M3.1 | 87 km | 6 km |
| Aug 15, 2016 | 43 km S of Princeton, Canada | M3.0 | 143 km | 10 km |
| May 18, 2011 | 18 km NNE of Princeton, Canada | M3.0 | 91 km | 8 km |
| Feb 13, 2010 | 36 km NNE of Princeton, Canada | M3.0 | 91 km | 18 km |
| Nov 5, 2000 | 8 km NW of Okanagan Falls, Canada | M3.0 | 149 km | 13 km |
| Jul 17, 2016 | 41 km NNE of Maple Ridge, Canada | M2.9 | 117 km | 1 km |
| May 16, 2018 | 20 km SW of Whistler, Canada | M2.8 | 142 km | 10 km |
| Apr 9, 1990 | 24 km W of Peachland, Canada | M2.8 | 98 km | -2 km |
| Jan 24, 1994 | 15 km NNW of Mission, Canada | M2.8 | 141 km | 5 km |
| Mar 6, 1992 | 42 km SSE of Princeton, Canada | M2.7 | 147 km | -1 km |
| May 8, 2016 | 29 km N of Mission, Canada | M2.7 | 124 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 38.0 m (125 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | CHEHALIS LAKE, CHILLIWACK | Meteorological | 38.0 m | — | 108 km |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 18 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Garibaldi Lake (134 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 134 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 137 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 149 km |
| Bridge River Cones | Volcanic field | 2,500 m (8,202 ft) | Unknown | 166 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 167 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 174 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.2 in | Coldest |
| February | 27°F (-3°C) | 1.4 in | |
| March | 32°F (-0°C) | 1.1 in | |
| April | 39°F (4°C) | 0.9 in | Driest |
| May | 46°F (8°C) | 1.6 in | |
| June | 53°F (12°C) | 1.9 in | |
| July | 58°F (15°C) | 1.6 in | |
| August | 59°F (15°C) | 1.4 in | Warmest |
| September | 51°F (11°C) | 1.3 in | |
| October | 41°F (5°C) | 1.6 in | |
| November | 30°F (-1°C) | 2.4 in | Wettest |
| December | 22°F (-5°C) | 2.4 in |
Shackan 11 has a seasonal temperature swing of 37°F / from 22°F in January to 59°F in August. Total annual precipitation is 19.6 inches, with November being the wettest month (2.4") and April the driest (0.9").