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Weather & Climate in Oak Bay, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oak Bay 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 164 feet.
Temperature
42°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 164 ft (50 m) |
| Area | 4.1 sq mi (10.5 km²) |
| Population Density | 4,429/sq mi |
| Coordinates | 48.4496°N, 123.3026°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
646 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 | 131 km | 4 km |
| Jun 10, 2001 | 18 km N of Satsop, Washington | M5.0 | 143 km | 40 km |
| Apr 14, 1990 | 4 km ENE of Deming, Washington | M5.0 | 95 km | 12 km |
| Jan 29, 1995 | 3 km WSW of Des Moines, Washington | M5.0 | 137 km | 15 km |
| Jun 23, 1997 | 2 km NE of Enetai, Washington | M4.9 | 109 km | 13 km |
| Apr 25, 2003 | 26 km W of Brinnon, Washington | M4.8 | 87 km | 51 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 139 km | 10 km |
| Jan 30, 2009 | 6 km ESE of Lofall, Washington | M4.7 | 91 km | 62 km |
| Jul 12, 2019 | 2 km S of Roosevelt, Washington | M4.6 | 115 km | 29 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 41 km | 16 km |
| Jan 24, 2020 | 46 km WNW of Neah Bay, Washington | M4.5 | 139 km | 10 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 91 km | 3 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 92 km | 0 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 145 km | 5 km |
| Sep 21, 2002 | 9 km SW of Friday Harbor, Washington | M4.1 | 14 km | 23 km |
| Feb 23, 2017 | 11 km NE of Hoodsport, Washington | M4.1 | 110 km | 15 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 93 km | 1 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 92 km | 3 km |
| Jun 15, 1994 | 1 km WNW of Hoodsport, Washington | M4.0 | 116 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
5 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 | - | 147 km |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 144 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | - | 52 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | - | 140 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | - | - | 82 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (115 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 115 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 157 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 166 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 166 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
5 wildfires (100+ acres) recorded within 100 km. Largest: DELABARRE (4,176 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | DELABARRE | 4,176 | 76 km |
| 2018 | MAPLE | 3,547 | 98 km |
| 2015 | PARADISE | 2,818 | 91 km |
| 2016 | HAYES TWO | 2,679 | 72 km |
| 2011 | BIG HUMP | 1,400 | 85 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 4.3 in | |
| February | 43°F (6°C) | 3.1 in | |
| March | 45°F (7°C) | 2.2 in | |
| April | 49°F (9°C) | 1.5 in | |
| May | 54°F (12°C) | 1.2 in | |
| June | 59°F (15°C) | 1.0 in | |
| July | 66°F (19°C) | 0.7 in | Warmest, Driest |
| August | 63°F (17°C) | 0.8 in | |
| September | 59°F (15°C) | 1.0 in | |
| October | 51°F (11°C) | 2.4 in | |
| November | 44°F (7°C) | 4.6 in | Wettest |
| December | 41°F (5°C) | 4.5 in | Coldest |
Oak Bay has a seasonal temperature swing of 26°F / from 41°F in December to 66°F in July. Total annual precipitation is 27.2 inches, with November being the wettest month (4.6") and July the driest (0.7").