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Weather & Climate in Royal Oak, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Royal Oak experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 42°F in January while summers reach 66°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 32.0 inches. The area receives 10.4 inches of snow annually. The city sits at an elevation of 85 feet.
Temperature
42°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 55.8 sq mi (144.5 km²) |
| Population Density | 159/sq mi |
| Coordinates | 48.4833°N, 123.3833°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
607 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| May 3, 1996 | 8 km NNE of Lake Marcel-Stillwater, Washington | M5.4 | 138 km | 4 km |
| Jun 10, 2001 | 18 km N of Satsop, Washington | M5.0 | 147 km | 40 km |
| Apr 14, 1990 | 4 km ENE of Deming, Washington | M5.0 | 98 km | 12 km |
| Jan 29, 1995 | 3 km WSW of Des Moines, Washington | M5.0 | 144 km | 15 km |
| Jun 23, 1997 | 2 km NE of Enetai, Washington | M4.9 | 116 km | 13 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 135 km | 10 km |
| Apr 25, 2003 | 26 km W of Brinnon, Washington | M4.8 | 91 km | 51 km |
| Jan 30, 2009 | 6 km ESE of Lofall, Washington | M4.7 | 98 km | 62 km |
| Jul 12, 2019 | 2 km S of Roosevelt, Washington | M4.6 | 122 km | 29 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 45 km | 16 km |
| Jan 24, 2020 | 46 km WNW of Neah Bay, Washington | M4.5 | 133 km | 10 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 86 km | 3 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 143 km | 5 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 96 km | 0 km |
| Sep 21, 2002 | 9 km SW of Friday Harbor, Washington | M4.1 | 19 km | 23 km |
| Feb 23, 2017 | 11 km NE of Hoodsport, Washington | M4.1 | 115 km | 15 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 96 km | 3 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 97 km | 1 km |
| Jun 15, 1994 | 1 km WNW of Hoodsport, Washington | M4.0 | 121 km | 44 km |
| Sep 26, 2024 | 12 km E of Saanichton, Canada | M4.0 | 15 km | 52 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 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 | — | 148 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 54 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 146 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (120 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 120 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 155 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 164 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 173 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: DELABARRE (4,176 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | DELABARRE | 4,176 | 79 km |
| 2015 | PARADISE | 2,818 | 92 km |
| 2016 | HAYES TWO | 2,679 | 76 km |
| 2011 | BIG HUMP | 1,400 | 90 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 5.0 in | |
| February | 42°F (5°C) | 3.6 in | |
| March | 45°F (7°C) | 2.8 in | |
| April | 49°F (9°C) | 1.8 in | |
| May | 54°F (12°C) | 1.3 in | |
| June | 59°F (15°C) | 1.1 in | |
| July | 66°F (19°C) | 0.7 in | Warmest, Driest |
| August | 63°F (17°C) | 0.9 in | |
| September | 59°F (15°C) | 1.2 in | |
| October | 51°F (10°C) | 2.8 in | |
| November | 44°F (6°C) | 5.4 in | Wettest |
| December | 40°F (4°C) | 5.3 in | Coldest |
Royal Oak has a seasonal temperature swing of 27°F / from 40°F in December to 66°F in July. Total annual precipitation is 31.9 inches, with November being the wettest month (5.4") and July the driest (0.7").