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Weather & Climate in Ganges, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ganges experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 235 sunny days per year, above the national average. Annual precipitation totals 39.4 inches. The area receives 14.2 inches of snow annually. The city sits at an elevation of 33 feet.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 51.0°F |
| 6% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 235 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 142.0 sq mi (367.7 km²) |
| Population Density | 42/sq mi |
| Coordinates | 48.8534°N, 123.5003°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
408 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 | 98 km | 12 km |
| Apr 25, 2003 | 26 km W of Brinnon, Washington | M4.8 | 133 km | 51 km |
| Feb 21, 2025 | 28 km W of Squamish, Canada | M4.8 | 93 km | 10 km |
| Jan 30, 2009 | 6 km ESE of Lofall, Washington | M4.7 | 137 km | 62 km |
| Jan 24, 2020 | 46 km WNW of Neah Bay, Washington | M4.5 | 128 km | 10 km |
| Mar 3, 2025 | 2025 Orcas Island, Washington | M4.5 | 58 km | 16 km |
| Jun 24, 1997 | 19 km SSW of Gibsons, Canada | M4.4 | 44 km | 3 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 96 km | 0 km |
| Feb 19, 1991 | 31 km E of Squamish, Canada | M4.3 | 109 km | 5 km |
| Sep 21, 2002 | 9 km SW of Friday Harbor, Washington | M4.1 | 49 km | 23 km |
| Feb 22, 1996 | 31 km NNE of South Pender Harbour, Canada | M4.1 | 120 km | 2 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 |
| Sep 26, 2024 | 12 km E of Saanichton, Canada | M4.0 | 36 km | 52 km |
| Dec 27, 2012 | 12 km E of North Saanich, Canada | M4.0 | 29 km | 54 km |
| Jul 1, 2009 | 4 km SE of Coupeville, Washington | M4.0 | 97 km | 58 km |
| Apr 7, 2001 | 36 km NNW of Neah Bay, Washington | M3.9 | 93 km | 32 km |
| Mar 6, 2025 | 14 km SW of Blyn, Washington | M3.9 | 107 km | 42 km |
| Jul 24, 2011 | 21 km W of Brinnon, Washington | M3.9 | 130 km | 41 km |
| Mar 17, 2004 | 3 km SW of Clear Lake, Washington | M3.8 | 101 km | 0 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 | — | 128 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 95 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Garibaldi (117 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 117 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 124 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 125 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 142 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 194 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 7.2 in | Wettest |
| February | 40°F (5°C) | 4.2 in | |
| March | 43°F (6°C) | 4.0 in | |
| April | 47°F (8°C) | 2.6 in | |
| May | 53°F (11°C) | 1.9 in | |
| June | 57°F (14°C) | 1.5 in | |
| July | 66°F (19°C) | 0.9 in | Warmest, Driest |
| August | 62°F (17°C) | 1.2 in | |
| September | 58°F (14°C) | 1.3 in | |
| October | 50°F (10°C) | 4.1 in | |
| November | 43°F (6°C) | 7.1 in | |
| December | 39°F (4°C) | 6.8 in | Coldest |
Ganges has a seasonal temperature swing of 28°F / from 39°F in December to 66°F in July. Total annual precipitation is 42.7 inches, with January being the wettest month (7.2") and July the driest (0.9").