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Weather & Climate in Brow of the Hill, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brow of the Hill experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 40°F in January while summers reach 66°F in July. The area gets 220 sunny days per year. Annual precipitation totals 56.3 inches (wetter than the 38-inch national average). The area receives 22.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 66 feet.
Temperature
40°F Jan (4°C)
66°F Jul (19°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 40°F (4°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 220 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 10.9 sq mi (28.2 km²) |
| Population Density | 975/sq mi |
| Coordinates | 49.2021°N, 122.9202°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
301 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 | 68 km | 12 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 71 km | 10 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 66 km | 16 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 51 km | 3 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 67 km | 0 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 57 km | 5 km |
| Feb 22, 1996 | 31 km NNE of South Pender Harbour, Canada | M4.1 | 105 km | 2 km |
| Sep 21, 2002 | 9 km SW of Friday Harbor, Washington | M4.1 | 81 km | 23 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 68 km | 1 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 68 km | 3 km |
| Dec 27, 2012 | 12 km E of North Saanich, Canada | M4.0 | 66 km | 54 km |
| Sep 26, 2024 | 12 km E of Saanichton, Canada | M4.0 | 73 km | 52 km |
| Jul 1, 2009 | 4 km SE of Coupeville, Washington | M4.0 | 114 km | 58 km |
| Apr 7, 2001 | 36 km NNW of Neah Bay, Washington | M3.9 | 145 km | 32 km |
| Mar 6, 2025 | 14 km SW of Blyn, Washington | M3.9 | 143 km | 42 km |
| Mar 17, 2004 | 3 km SW of Clear Lake, Washington | M3.8 | 97 km | 0 km |
| Dec 11, 1999 | 10 km NNE of Oak Bay, Canada | M3.7 | 78 km | 49 km |
| Aug 19, 2025 | 17 km NNW of Sekiu, Washington | M3.7 | 139 km | 38 km |
| Feb 14, 2025 | 16 km SSE of Victoria, Canada | M3.7 | 105 km | 40 km |
| Feb 8, 2011 | 7 km WNW of Friday Harbor, Washington | M3.6 | 73 km | 52 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 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 | — | 72 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 140 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 134 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Garibaldi (72 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 72 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 82 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 94 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 105 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 164 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 180 km |
| Bridge River Cones | Volcanic field | 2,500 m (8,202 ft) | Unknown | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 11.1 in | |
| February | 41°F (5°C) | 7.6 in | |
| March | 44°F (7°C) | 7.1 in | |
| April | 49°F (9°C) | 6.2 in | |
| May | 55°F (13°C) | 4.6 in | |
| June | 60°F (15°C) | 3.8 in | |
| July | 66°F (19°C) | 2.4 in | Warmest, Driest |
| August | 65°F (18°C) | 2.6 in | |
| September | 59°F (15°C) | 3.4 in | |
| October | 51°F (10°C) | 8.0 in | |
| November | 43°F (6°C) | 13.0 in | Wettest |
| December | 38°F (3°C) | 10.3 in | Coldest |
Brow of the Hill has a seasonal temperature swing of 28°F / from 38°F in December to 66°F in July. Total annual precipitation is 80.1 inches, with November being the wettest month (13.0") and July the driest (2.4").