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Williams Canyon, CA
Full City Profile · California · Orange County County
3.0
/5.0
B
Good
54
Population
95/sq mi density
67°F
Avg Temperature
330 sunny days/yr
130
Violent Crime/100K
855 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
130 violent crimes/100K
A+
Education
5.0 / 5.0
80.6% bachelor's degree or higher
Williams Canyon enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 59°F in January while summers reach 75°F in July. The area gets 330 sunny days per year. Annual precipitation totals 13.1 inches. Air quality is rated Good with a median AQI of 48.
Temperature
59°F Jan (15°C)
75°F Jul (24°C)
| Annual Average | 66.7°F |
| 24% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 1,244 ft (379 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 95/sq mi |
| Coordinates | 33.7289°N, 117.6394°W |
| Timezone | America/Los_Angeles |
| County | Orange County County |
| Nearest Airport | John Wayne/Orange County (SNA) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0440 ppm |
| NO₂ (Nitrogen Dioxide) | 18.4 ppb |
| CO (Carbon Monoxide) | 0.35 ppm |
| PM2.5 (Fine Particles) | 9.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.8 / 100 |
| Social Vulnerability | 24.9 / 100 |
| Community Resilience | 16.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| Earthquake | Very High |
| Wildfire | Relatively High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 3.1 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | S. CALIFORNIA | Eruption + Earthquake | 3.1 m | 1 | 99 km |
| 1862 | S. CALIFORNIA | Eruption + Earthquake | 1.2 m | — | 122 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 99 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | — | — | 59 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Salton Buttes (197 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 3.7 in | |
| February | 52°F (11°C) | 3.8 in | Coldest, Wettest |
| March | 53°F (11°C) | 3.5 in | |
| April | 56°F (13°C) | 1.4 in | |
| May | 60°F (16°C) | 0.4 in | |
| June | 66°F (19°C) | 0.1 in | Driest |
| July | 75°F (24°C) | 0.1 in | Warmest |
| August | 74°F (23°C) | 0.2 in | |
| September | 71°F (22°C) | 0.5 in | |
| October | 65°F (18°C) | 0.5 in | |
| November | 57°F (14°C) | 2.2 in | |
| December | 52°F (11°C) | 2.7 in |
Williams Canyon has a seasonal temperature swing of 23°F / from 52°F in February to 75°F in July. Total annual precipitation is 18.9 inches, with February being the wettest month (3.8") and June the driest (0.1").