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Weather & Climate in Hornby Island, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hornby Island experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 37°F in January while summers reach 62°F in July. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 53.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 246 feet.
Temperature
37°F Jan (3°C)
62°F Jul (17°C)
| Annual Average | 48.9°F |
| 9% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 246 ft (75 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 10,000/sq mi |
| Coordinates | 49.5345°N, 124.6692°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
121 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 83 km | 10 km |
| Jan 8, 2015 | 19 km E of Tofino, Canada | M4.8 | 82 km | 25 km |
| May 2, 2001 | 50 km W of Tofino, Canada | M4.7 | 146 km | 10 km |
| Aug 1, 2000 | 40 km NNW of Tofino, Canada | M4.6 | 106 km | 41 km |
| Jan 24, 2020 | 46 km WNW of Neah Bay, Washington | M4.5 | 116 km | 10 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 83 km | 3 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 141 km | 5 km |
| Jan 23, 2001 | 9 km NNW of Ucluelet, Canada | M4.3 | 87 km | 10 km |
| Feb 22, 1996 | 31 km NNE of South Pender Harbour, Canada | M4.1 | 68 km | 2 km |
| May 8, 1999 | 17 km NW of Tofino, Canada | M4.0 | 106 km | 33 km |
| Dec 25, 1999 | 40 km SW of Ucluelet, Canada | M4.0 | 132 km | 30 km |
| Sep 26, 2024 | 12 km E of Saanichton, Canada | M4.0 | 148 km | 52 km |
| Dec 27, 2012 | 12 km E of North Saanich, Canada | M4.0 | 142 km | 54 km |
| Feb 18, 2017 | 103 km NE of Campbell River, Canada | M3.9 | 139 km | 8 km |
| May 16, 2001 | 35 km NE of Tofino, Canada | M3.9 | 66 km | 10 km |
| Jun 19, 2017 | 21 km SSW of Vernon, Canada | M3.9 | 136 km | 10 km |
| Nov 20, 1994 | 26 km N of Ucluelet, Canada | M3.9 | 74 km | 38 km |
| Apr 7, 2001 | 36 km NNW of Neah Bay, Washington | M3.9 | 94 km | 32 km |
| Sep 5, 2017 | 9 km NNE of Ucluelet, Canada | M3.8 | 82 km | 33 km |
| Aug 19, 2025 | 17 km NNW of Sekiu, Washington | M3.7 | 127 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1946 | BRITISH COLUMBIA | Eruption + Earthquake | 9.0 m | 1 | 41 km |
| 1958 | RIPPLE ROCK, BC | Earthquake + Landslide | 0.5 m | — | 76 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Cayley Volcanic Field (119 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 119 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 125 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 128 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 148 km |
| Bridge River Cones | Volcanic field | 2,500 m (8,202 ft) | Unknown | 167 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 8.2 in | Coldest |
| February | 39°F (4°C) | 5.8 in | |
| March | 42°F (6°C) | 5.0 in | |
| April | 47°F (8°C) | 3.2 in | |
| May | 53°F (12°C) | 2.1 in | |
| June | 58°F (14°C) | 1.8 in | |
| July | 62°F (17°C) | 1.1 in | Driest |
| August | 63°F (17°C) | 1.5 in | Warmest |
| September | 57°F (14°C) | 1.9 in | |
| October | 49°F (10°C) | 5.7 in | |
| November | 42°F (6°C) | 9.2 in | Wettest |
| December | 38°F (3°C) | 8.4 in |
Hornby Island has a seasonal temperature swing of 25°F / from 37°F in January to 63°F in August. Total annual precipitation is 53.7 inches, with November being the wettest month (9.2") and July the driest (1.1").