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Spring Valley Lake, CA
Full City Profile · California · Los Angeles County County
3.3
/5.0
B
Good
10,098
Population
3,344/sq mi density
$93,040
Median Income
$39,935 per capita
$439,500
Home Value
$427,910 Zillow
$2,264
Median Rent
34.8% income on rent
64°F
Avg Temperature
330 sunny days/yr
297
Violent Crime/100K
2,319 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$93,040 median income, 3.7% unemployment
A
Affordability
4.0 / 5.0
$439,500 home value, $2,264/mo rent
F
Safety
1.0 / 5.0
297 violent crimes/100K
B
Education
3.4 / 5.0
30.6% bachelor's degree or higher
Spring Valley Lake enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 48°F in January while summers reach 81°F in July. The area gets 330 sunny days per year. Annual precipitation totals 7.9 inches. Air quality is rated Good with a median AQI of 48.
Temperature
48°F Jan (9°C)
81°F Jul (27°C)
| Annual Average | 63.6°F |
| 18% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 2,784 ft (849 m) |
| Area | 3.5 sq mi (9.1 km²) |
| Population Density | 3,344/sq mi |
| Coordinates | 34.4968°N, 117.2676°W |
| Timezone | America/Los_Angeles |
| County | Los Angeles County County |
| Nearest Airport | San Bernardino International (SBD) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0482 ppm |
| NO₂ (Nitrogen Dioxide) | 17.4 ppb |
| SO₂ (Sulfur Dioxide) | 0.32 ppb |
| CO (Carbon Monoxide) | 0.32 ppm |
| PM2.5 (Fine Particles) | 10.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 100.0 / 100 |
| Social Vulnerability | 55.4 / 100 |
| Community Resilience | 13.6 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | No Rating |
| Earthquake | Very High |
| Wildfire | Very High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
3 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 | 137 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 121 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | — | — | 88 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 1.8 in | |
| February | 48°F (9°C) | 1.9 in | Wettest |
| March | 51°F (11°C) | 1.7 in | |
| April | 57°F (14°C) | 0.7 in | |
| May | 64°F (18°C) | 0.3 in | |
| June | 72°F (22°C) | 0.0 in | Driest |
| July | 81°F (27°C) | 0.2 in | Warmest |
| August | 78°F (25°C) | 0.3 in | |
| September | 72°F (22°C) | 0.4 in | |
| October | 62°F (17°C) | 0.4 in | |
| November | 52°F (11°C) | 1.2 in | |
| December | 44°F (7°C) | 1.5 in | Coldest |
Spring Valley Lake has a seasonal temperature swing of 37°F / from 44°F in December to 81°F in July. Total annual precipitation is 10.4 inches, with February being the wettest month (1.9") and June the driest (0.0").