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Weather & Climate in Sunshine Valley, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sunshine Valley has a cool climate with an average annual temperature of 38°F (4°C). Winters average 23°F in January while summers reach 55°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.2 inches (wetter than the 38-inch national average). The area receives 26.9 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 2,224 feet.
Temperature
23°F Jan (-5°C)
55°F Jul (13°C)
| Annual Average | 38.3°F |
| 29% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 2,224 ft (678 m) |
| Area | 15.8 sq mi (40.9 km²) |
| Population Density | 13/sq mi |
| Coordinates | 49.2738°N, 121.2335°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
270 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 14, 1990 | 4 km ENE of Deming, Washington | M5.0 | 83 km | 12 km |
| Jun 24, 1997 | 16 km WNW of Malott, Washington | M4.6 | 141 km | 10 km |
| Aug 17, 2002 | 39 km ESE of Merritt, Canada | M4.5 | 102 km | 10 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 136 km | 16 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 85 km | 0 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 118 km | 5 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 86 km | 3 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 84 km | 1 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 145 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 119 km | 10 km |
| Mar 17, 2004 | 3 km SW of Clear Lake, Washington | M3.8 | 119 km | 0 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 124 km | 10 km |
| Jun 21, 1990 | 4 km ENE of Deming, Washington | M3.6 | 83 km | 1 km |
| May 23, 1990 | 1 km E of Deming, Washington | M3.6 | 86 km | 1 km |
| Apr 14, 1990 | 2 km E of Deming, Washington | M3.6 | 85 km | 2 km |
| Jun 24, 1997 | 16 km NW of Malott, Washington | M3.6 | 141 km | 7 km |
| Mar 8, 1990 | 2 km WSW of Swede Heaven, Washington | M3.6 | 118 km | 3 km |
| May 7, 2015 | 4 km WNW of Lake Cavanaugh, Washington | M3.6 | 122 km | 10 km |
| Mar 24, 2012 | 4 km ENE of Conway, Washington | M3.6 | 128 km | 8 km |
| May 1, 2022 | 2 km E of Mount Vernon, Washington | M3.6 | 123 km | 14 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 | — | 60 km |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 128 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (70 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 70 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 130 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 143 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 147 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 175 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: DIAMOND CREEK (117,527 acres, 2017).
| Year | Name | Acres Burned | Distance |
| 2017 | DIAMOND CREEK | 117,527 | 75 km |
| 2003 | FAWN PEAK COMPLEX (FAREWELL) | 77,444 | 92 km |
| 2006 | TATOOSH COMPLEX | 48,862 | 57 km |
| 2022 | PARKS | 34,621 | 51 km |
| 2018 | MCLEOD | 24,738 | 90 km |
| 2003 | NEEDLES | 21,458 | 83 km |
| 2014 | UPPER FALLS | 8,846 | 92 km |
| 2002 | QUARTZ MT. COMPLEX (MIDDLE MOUNTAIN) | 8,173 | 68 km |
| 2023 | SOURDOUGH | 7,517 | 59 km |
| 2015 | GOODELL | 6,624 | 66 km |
| 2022 | KID | 5,188 | 59 km |
| 2023 | CRATER CREEK | 4,837 | 99 km |
| 2002 | QUARTZ MT. COMPLEX (QUARTZ MOUNTAIN) | 4,716 | 66 km |
| 1994 | METHOW COMPLEX (WHITEFACE) | 3,987 | 91 km |
| 2022 | COPPER LAKE | 3,825 | 38 km |
| 1996 | ELBOW BASIN | 3,650 | 49 km |
| 1986 | EUREKA | 3,476 | 83 km |
| 2022 | BRUSH CREEK 2 | 3,186 | 43 km |
| 2003 | MINERAL PARK | 3,010 | 93 km |
| 2022 | SILESIA | 2,737 | 42 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 6.3 in | Coldest |
| February | 27°F (-3°C) | 4.2 in | |
| March | 30°F (-1°C) | 3.7 in | |
| April | 36°F (2°C) | 2.9 in | |
| May | 43°F (6°C) | 3.0 in | |
| June | 49°F (10°C) | 2.8 in | |
| July | 55°F (13°C) | 2.0 in | |
| August | 56°F (14°C) | 2.0 in | Warmest, Driest |
| September | 50°F (10°C) | 2.4 in | |
| October | 40°F (5°C) | 4.3 in | |
| November | 29°F (-2°C) | 6.9 in | Wettest |
| December | 23°F (-5°C) | 5.8 in |
Sunshine Valley has a seasonal temperature swing of 34°F / from 23°F in January to 56°F in August. Total annual precipitation is 46.2 inches, with November being the wettest month (6.9") and August the driest (2.0").