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Weather & Climate in Chawathil 4, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chawathil 4 has a cool climate with an average annual temperature of 43°F (6°C). Winters average 27°F in January while summers reach 59°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.0 inches (wetter than the 38-inch national average). The area receives 33.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 131 feet.
Temperature
27°F Jan (-3°C)
59°F Jul (15°C)
| Annual Average | 43.1°F |
| 20% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 131 ft (40 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 87/sq mi |
| Coordinates | 49.3705°N, 121.5565°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
260 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 | 73 km | 12 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 148 km | 10 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 124 km | 16 km |
| Aug 17, 2002 | 39 km ESE of Merritt, Canada | M4.5 | 112 km | 10 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 92 km | 5 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 76 km | 0 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 76 km | 3 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 75 km | 1 km |
| Dec 27, 2012 | 12 km E of North Saanich, Canada | M4.0 | 147 km | 54 km |
| Mar 17, 2004 | 3 km SW of Clear Lake, Washington | M3.8 | 115 km | 0 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 125 km | 10 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 148 km | 10 km |
| Feb 8, 2011 | 7 km WNW of Friday Harbor, Washington | M3.6 | 145 km | 52 km |
| Jun 21, 1990 | 4 km ENE of Deming, Washington | M3.6 | 73 km | 1 km |
| Apr 14, 1990 | 2 km E of Deming, Washington | M3.6 | 75 km | 2 km |
| Mar 8, 1990 | 2 km WSW of Swede Heaven, Washington | M3.6 | 123 km | 3 km |
| May 23, 1990 | 1 km E of Deming, Washington | M3.6 | 76 km | 1 km |
| Oct 4, 2024 | 22 km NNE of Ganges, Canada | M3.6 | 139 km | 61 km |
| May 7, 2015 | 4 km WNW of Lake Cavanaugh, Washington | M3.6 | 121 km | 10 km |
| Mar 24, 2012 | 4 km ENE of Conway, Washington | M3.6 | 125 km | 8 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 | — | 35 km |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 118 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Baker (69 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 69 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 117 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 121 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 144 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 149 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
17 wildfires (100+ acres) recorded within 100 km. Largest: TATOOSH COMPLEX (48,862 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | TATOOSH COMPLEX | 48,862 | 82 km |
| 2022 | PARKS | 34,621 | 76 km |
| 2002 | QUARTZ MT. COMPLEX (MIDDLE MOUNTAIN) | 8,173 | 94 km |
| 2023 | SOURDOUGH | 7,517 | 76 km |
| 2015 | GOODELL | 6,624 | 80 km |
| 2022 | KID | 5,188 | 83 km |
| 2002 | QUARTZ MT. COMPLEX (QUARTZ MOUNTAIN) | 4,716 | 92 km |
| 2022 | COPPER LAKE | 3,825 | 48 km |
| 1996 | ELBOW BASIN | 3,650 | 72 km |
| 2022 | BRUSH CREEK 2 | 3,186 | 54 km |
| 2022 | SILESIA | 2,737 | 48 km |
| 2022 | MCALLISTER CREEK | 2,581 | 89 km |
| 2022 | THREE FOOLS | 2,451 | 70 km |
| 2022 | LITTLE CHILL | 2,242 | 44 km |
| 2003 | BIGBEAVER | 1,807 | 72 km |
| 1998 | UNNAMED | 1,174 | 97 km |
| 2004 | FREEZEOUT | 1,155 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 7.6 in | Coldest |
| February | 32°F (-0°C) | 5.1 in | |
| March | 35°F (2°C) | 4.8 in | |
| April | 41°F (5°C) | 3.7 in | |
| May | 48°F (9°C) | 3.3 in | |
| June | 54°F (12°C) | 3.0 in | |
| July | 59°F (15°C) | 2.2 in | |
| August | 60°F (16°C) | 2.0 in | Warmest, Driest |
| September | 54°F (12°C) | 2.9 in | |
| October | 45°F (7°C) | 5.8 in | |
| November | 35°F (1°C) | 8.7 in | Wettest |
| December | 28°F (-2°C) | 7.0 in |
Chawathil 4 has a seasonal temperature swing of 33°F / from 27°F in January to 60°F in August. Total annual precipitation is 56.0 inches, with November being the wettest month (8.7") and August the driest (2.0").