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Weather & Climate in Tsinstikeptum 10, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tsinstikeptum 10 has a cool climate with an average annual temperature of 43°F (6°C). Winters average 23°F in January while summers reach 62°F in July. The area gets 302 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 18.5 inches (drier than the 38-inch national average). The area receives 7.8 inches of snow annually. The city sits at an elevation of 1,283 feet.
Temperature
23°F Jan (-5°C)
62°F Jul (17°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 1,283 ft (391 m) |
| Area | 2.6 sq mi (6.8 km²) |
| Population Density | 3,501/sq mi |
| Coordinates | 49.8843°N, 119.5354°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
80 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 | 55 km | 10 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 79 km | 1 km |
| Mar 3, 1998 | 16 km NNE of Grand Forks, Canada | M3.8 | 117 km | 5 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 67 km | 10 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 68 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 76 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 67 km | 7 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 122 km | 5 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 111 km | 5 km |
| Oct 27, 1991 | 21 km N of Castlegar, Canada | M3.3 | 145 km | 7 km |
| Aug 20, 1990 | 23 km NW of Nelson, Canada | M3.3 | 146 km | -1 km |
| Apr 20, 2025 | 8 km NW of Tonasket, Washington | M3.2 | 124 km | 15 km |
| Mar 3, 1998 | 15 km NNE of Grand Forks, Canada | M3.2 | 120 km | 5 km |
| Apr 13, 2025 | 7 km NW of Tonasket, Washington | M3.2 | 126 km | 15 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 55 km | 10 km |
| May 15, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 124 km | 15 km |
| Apr 13, 2025 | 6 km NW of Tonasket, Washington | M3.1 | 126 km | 15 km |
| Nov 25, 2000 | 13 km SSE of Oroville, Washington | M3.1 | 117 km | 1 km |
| Aug 19, 2017 | 23 km WNW of Princeton, Canada | M3.1 | 99 km | 6 km |
| Apr 16, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 125 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: UNNAMED (8,385 acres, 1994).
| Year | Name | Acres Burned | Distance |
| 1994 | UNNAMED | 8,385 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | Coldest |
| February | 27°F (-3°C) | 1.2 in | |
| March | 34°F (1°C) | 1.1 in | Driest |
| April | 42°F (6°C) | 1.1 in | |
| May | 50°F (10°C) | 1.7 in | |
| June | 57°F (14°C) | 2.1 in | Wettest |
| July | 62°F (17°C) | 1.7 in | |
| August | 63°F (17°C) | 1.4 in | Warmest |
| September | 54°F (12°C) | 1.4 in | |
| October | 43°F (6°C) | 1.3 in | |
| November | 32°F (-0°C) | 1.8 in | |
| December | 24°F (-5°C) | 1.9 in |
Tsinstikeptum 10 has a seasonal temperature swing of 40°F / from 23°F in January to 63°F in August. Total annual precipitation is 18.5 inches, with June being the wettest month (2.1") and March the driest (1.1").