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Sliammon, BC

Full City Profile · British Columbia

2.1 /5.0
C Fair
797 Population 254/sq mi density
$64,500 Median Income $37,000 per capita
$560,468 Home Value
$1,072 Median Rent 27.8% income on rent
48°F Avg Temperature 247 sunny days/yr
C
Overall
2.1 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$64,500 median income, 13.4% unemployment
D
Affordability
1.7 / 5.0
$560,468 home value, $1,072/mo rent
C+
Safety
2.5 / 5.0
D
Education
1.6 / 5.0
6.9% bachelor's degree or higher
Sliammon experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 37°F in January while summers reach 62°F in July. The area gets 247 sunny days per year. Annual precipitation totals 48.9 inches. The area receives 0.0 inches of snow annually.

Temperature

37°F Jan (3°C) 62°F Jul (17°C)
Annual Average48.2°F
11% below US avg
January Average37°F (3°C)
July Average62°F (17°C)
Sunny Days247 days/yr

Geography

Elevation33 ft (10 m)
Area3.1 sq mi (8.1 km²)
Population Density254/sq mi
Coordinates49.8972°N, 124.6079°W
TimezoneAmerica/Vancouver

Precipitation & Snow

Annual Rainfall 48.9"
29% above US avg
Snowfall 0.0"
Wettest Month (Nov) 7.24"
Driest Month (Jul) 1.77"

Air Quality

Earthquake History

68 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M3.0 on May 1, 2025.

Jan 8, 2015 19 km E of Tofino, Canada M4.8 110 km
Feb 21, 2025 28 km W of Squamish, Canada M4.8 80 km
Aug 1, 2000 40 km NNW of Tofino, Canada M4.6 119 km
Jun 24, 1997 19 km SSW of Gibsons, Canada M4.4 102 km
Feb 19, 1991 31 km E of Squamish, Canada M4.3 137 km
Jan 23, 2001 9 km NNW of Ucluelet, Canada M4.3 120 km
Feb 22, 1996 31 km NNE of South Pender Harbour, Canada M4.1 51 km
May 8, 1999 17 km NW of Tofino, Canada M4.0 127 km
Apr 7, 2001 36 km NNW of Neah Bay, Washington M3.9 135 km
Nov 20, 1994 26 km N of Ucluelet, Canada M3.9 104 km
May 16, 2001 35 km NE of Tofino, Canada M3.9 89 km
Feb 18, 2017 103 km NE of Campbell River, Canada M3.9 99 km
Jun 19, 2017 21 km SSW of Vernon, Canada M3.9 136 km
Sep 5, 2017 9 km NNE of Ucluelet, Canada M3.8 116 km
Oct 4, 2024 22 km NNE of Ganges, Canada M3.6 129 km
Aug 17, 2011 37 km NNW of Tofino, Canada M3.5 112 km
Jun 13, 1997 19 km SSW of Gibsons, Canada M3.4 102 km
Feb 15, 2015 30 km NNE of Sechelt, Canada M3.4 75 km
Oct 20, 2001 40 km NNW of Tofino, Canada M3.2 118 km
Sep 30, 1996 3 km SSE of Tofino, Canada M3.2 127 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

3 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 23 km
1958 RIPPLE ROCK, BC Earthquake + Landslide 0.5 m 54 km
2020 ELLIOT CREEK, BC Meteorological 119 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Cayley Volcanic Field (98 km).

Name Type Elevation Last Eruption Distance
Cayley Volcanic Field Volcanic field 2,375 m (7,792 ft) Unknown 98 km
Meager Complex 2,680 m (8,793 ft) -410 113 km
Garibaldi Lake Volcanic field 2,316 m (7,598 ft) Unknown 115 km
Garibaldi Stratovolcano 2,678 m (8,786 ft) -8060 115 km
Bridge River Cones Volcanic field 2,500 m (8,202 ft) Unknown 132 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 6.2 in Coldest
February 39°F (4°C) 4.6 in
March 41°F (5°C) 4.3 in
April 46°F (8°C) 3.2 in
May 52°F (11°C) 2.9 in
June 57°F (14°C) 2.5 in
July 62°F (17°C) 1.8 in Driest
August 62°F (17°C) 2.0 in Warmest
September 57°F (14°C) 2.3 in
October 48°F (9°C) 5.4 in
November 41°F (5°C) 7.2 in Wettest
December 37°F (3°C) 6.5 in

Sliammon has a seasonal temperature swing of 25°F / from 37°F in January to 62°F in August. Total annual precipitation is 48.9 inches, with November being the wettest month (7.2") and July the driest (1.8").

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