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Weather & Climate in Greendale, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greendale experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 36°F in January while summers reach 63°F in July. The area gets 219 sunny days per year. Annual precipitation totals 64.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
36°F Jan (2°C)
63°F Jul (17°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 36°F (2°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 11,107/sq mi |
| Coordinates | 49.1167°N, 122.0500°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
361 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 | 31 km | 12 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 126 km | 10 km |
| Jul 12, 2019 | 2 km S of Roosevelt, Washington | M4.6 | 138 km | 29 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 79 km | 16 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 115 km | 3 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 81 km | 5 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 33 km | 0 km |
| Sep 21, 2002 | 9 km SW of Friday Harbor, Washington | M4.1 | 106 km | 23 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 34 km | 3 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 33 km | 1 km |
| Dec 27, 2012 | 12 km E of North Saanich, Canada | M4.0 | 102 km | 54 km |
| Sep 26, 2024 | 12 km E of Saanichton, Canada | M4.0 | 106 km | 52 km |
| Jul 1, 2009 | 4 km SE of Coupeville, Washington | M4.0 | 112 km | 58 km |
| Mar 17, 2004 | 3 km SW of Clear Lake, Washington | M3.8 | 76 km | 0 km |
| Dec 11, 1999 | 10 km NNE of Oak Bay, Canada | M3.7 | 109 km | 49 km |
| Feb 14, 2025 | 16 km SSE of Victoria, Canada | M3.7 | 129 km | 40 km |
| Feb 8, 2011 | 7 km WNW of Friday Harbor, Washington | M3.6 | 99 km | 52 km |
| Apr 14, 1990 | 2 km E of Deming, Washington | M3.6 | 33 km | 2 km |
| Mar 8, 1990 | 2 km WSW of Swede Heaven, Washington | M3.6 | 96 km | 3 km |
| Jul 4, 2006 | 13 km SE of Oak Bay, Canada | M3.6 | 119 km | 45 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 | — | 39 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 120 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Baker (42 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 42 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 107 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 114 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 131 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 143 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
12 wildfires (100+ acres) recorded within 100 km. Largest: SOURDOUGH (7,517 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | SOURDOUGH | 7,517 | 77 km |
| 2015 | GOODELL | 6,624 | 77 km |
| 2022 | COPPER LAKE | 3,825 | 49 km |
| 1996 | ELBOW BASIN | 3,650 | 90 km |
| 2022 | BRUSH CREEK 2 | 3,186 | 54 km |
| 2022 | SILESIA | 2,737 | 44 km |
| 2022 | MCALLISTER CREEK | 2,581 | 89 km |
| 2022 | THREE FOOLS | 2,451 | 86 km |
| 2022 | LITTLE CHILL | 2,242 | 46 km |
| 2003 | BIGBEAVER | 1,807 | 77 km |
| 1998 | UNNAMED | 1,174 | 81 km |
| 2004 | FREEZEOUT | 1,155 | 81 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 8.4 in | Coldest |
| February | 39°F (4°C) | 6.1 in | |
| March | 43°F (6°C) | 5.8 in | |
| April | 48°F (9°C) | 4.8 in | |
| May | 54°F (12°C) | 3.9 in | |
| June | 59°F (15°C) | 3.3 in | |
| July | 63°F (17°C) | 2.3 in | |
| August | 64°F (18°C) | 2.2 in | Warmest, Driest |
| September | 59°F (15°C) | 3.3 in | |
| October | 50°F (10°C) | 6.3 in | |
| November | 42°F (5°C) | 9.5 in | Wettest |
| December | 36°F (2°C) | 8.3 in |
Greendale has a seasonal temperature swing of 28°F / from 36°F in January to 64°F in August. Total annual precipitation is 64.2 inches, with November being the wettest month (9.5") and August the driest (2.2").