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Weather & Climate in Cawston, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cawston has a cool climate with an average annual temperature of 43°F (6°C). Winters average 22°F in January while summers reach 63°F in July. The area gets 307 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 15.8 inches (drier than the 38-inch national average). The area receives 6.7 inches of snow annually. The city sits at an elevation of 1,309 feet.
Temperature
22°F Jan (-6°C)
63°F Jul (17°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 307 days/yr |
Geography
| Elevation | 1,309 ft (399 m) |
| Area | 5.0 sq mi (13.0 km²) |
| Population Density | 208/sq mi |
| Coordinates | 49.1825°N, 119.7597°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
119 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Jun 24, 1997 | 16 km WNW of Malott, Washington | M4.6 | 92 km | 10 km |
| Aug 17, 2002 | 39 km ESE of Merritt, Canada | M4.5 | 95 km | 10 km |
| Sep 1, 2015 | 15 km N of Nespelem Community, Washington | M4.2 | 111 km | 9 km |
| Apr 15, 1991 | 4 km SE of Pateros, Washington | M3.9 | 129 km | 11 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 38 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 119 km | 10 km |
| Mar 3, 1998 | 16 km NNE of Grand Forks, Canada | M3.8 | 102 km | 5 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 19 km | 10 km |
| Jun 24, 1997 | 16 km NW of Malott, Washington | M3.6 | 90 km | 7 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 71 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 30 km | 7 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 73 km | 5 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 78 km | 5 km |
| Jan 14, 2004 | 2 km S of Manson, Washington | M3.3 | 150 km | 1 km |
| Mar 17, 2008 | 48 km WNW of Granite Falls, Washington | M3.3 | 146 km | 0 km |
| Apr 20, 2025 | 8 km NW of Tonasket, Washington | M3.2 | 50 km | 15 km |
| Feb 6, 2005 | 32 km NE of Marblemount, Washington | M3.2 | 113 km | -1 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 95 km | 10 km |
| Apr 13, 2025 | 7 km NW of Tonasket, Washington | M3.2 | 51 km | 15 km |
| Mar 3, 1998 | 15 km NNE of Grand Forks, Canada | M3.2 | 104 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | COLUMBIA RIVER VALLEY, WA | Meteorological | 19.8 m | — | 136 km |
| 2024 | COLUMBIA RIVER VALLEY, WA | Meteorological | 14.3 m | — | 137 km |
| 1944 | COLUMBIA RIVER VALLEY, WA | Meteorological | 9.1 m | — | 136 km |
| 1953 | COLUMBIA RIVER VALLEY, WA | Meteorological | 4.8 m | — | 136 km |
| 1953 | COLUMBIA RIVER VALLEY, WA | Meteorological | — | — | 136 km |
| 1952 | COLUMBIA RIVER VALLEY, WA | Meteorological | — | — | 136 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Glacier Peak (155 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 155 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 157 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: TUNK BLOCK (180,111 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | TUNK BLOCK | 180,111 | 84 km |
| 2015 | LIMEBELT | 137,098 | 75 km |
| 2017 | DIAMOND CREEK | 117,527 | 50 km |
| 2006 | TRIPOD COMPLEX (SPUR PEAK) | 115,123 | 41 km |
| 2003 | FAWN PEAK COMPLEX (FAREWELL) | 77,444 | 49 km |
| 2021 | CUB CREEK 2 | 74,601 | 64 km |
| 2006 | TRIPOD COMPLEX (TRIPOD) | 59,712 | 74 km |
| 2021 | CEDAR CREEK | 58,591 | 90 km |
| 2006 | TATOOSH COMPLEX | 48,862 | 65 km |
| 2022 | PARKS | 34,621 | 70 km |
| 1985 | BARKER MT | 32,839 | 62 km |
| 2021 | WALKER CREEK | 26,165 | 67 km |
| 2018 | MCLEOD | 24,738 | 69 km |
| 2003 | NEEDLES | 21,458 | 84 km |
| 2012 | ST MARYS MISSION ROAD | 21,454 | 100 km |
| 2020 | PALMER | 18,015 | 37 km |
| 1996 | TIMBERLINE COMPLEX | 17,009 | 90 km |
| 2023 | EAGLE BLUFF | 16,499 | 31 km |
| 2007 | TUNK GRADE | 15,007 | 68 km |
| 2021 | MUCKAMUCK | 14,426 | 66 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.5 in | Coldest |
| February | 28°F (-2°C) | 1.1 in | |
| March | 35°F (2°C) | 0.9 in | |
| April | 42°F (6°C) | 0.9 in | |
| May | 50°F (10°C) | 1.7 in | |
| June | 57°F (14°C) | 1.9 in | Wettest |
| July | 63°F (17°C) | 1.4 in | |
| August | 63°F (17°C) | 1.4 in | Warmest |
| September | 54°F (12°C) | 1.0 in | |
| October | 43°F (6°C) | 0.9 in | Driest |
| November | 31°F (-0°C) | 1.4 in | |
| December | 22°F (-5°C) | 1.7 in |
Cawston has a seasonal temperature swing of 41°F / from 22°F in January to 63°F in August. Total annual precipitation is 15.7 inches, with June being the wettest month (1.9") and October the driest (0.9").