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Vallecito, CA
Full City Profile · California · Calaveras County County
1.8
/5.0
D
Poor
535
Population
159/sq mi density
$613,600
Home Value
$365,417 Zillow
63°F
Avg Temperature
326 sunny days/yr
460
Violent Crime/100K
7,000 property/100K
D
Overall
1.8 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
460 violent crimes/100K (21% above avg)
C+
Education
2.6 / 5.0
20.6% bachelor's degree or higher
Vallecito enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 48°F in January while summers reach 81°F in July. The area gets 326 sunny days per year. Annual precipitation totals 29.8 inches. The area receives 0.2 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
48°F Jan (9°C)
81°F Jul (27°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 1,750 ft (533 m) |
| Area | 8.6 sq mi (22.2 km²) |
| Population Density | 159/sq mi |
| Coordinates | 38.0832°N, 120.4683°W |
| Timezone | America/Los_Angeles |
| County | Calaveras County County |
| Nearest Airport | Merced Yosemite Regional (MCE) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0414 ppm |
| PM2.5 (Fine Particles) | 5.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.6 / 100 |
| Social Vulnerability | 57.9 / 100 |
| Community Resilience | 39.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 4.5 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | N. CALIFORNIA | Eruption + Earthquake | 4.5 m | 30 | 149 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Mono Lake Volcanic Field (126 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 126 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 130 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 136 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 6.5 in | Wettest |
| February | 46°F (8°C) | 5.8 in | |
| March | 49°F (9°C) | 5.6 in | |
| April | 53°F (12°C) | 3.2 in | |
| May | 60°F (15°C) | 0.8 in | |
| June | 68°F (20°C) | 0.3 in | |
| July | 81°F (27°C) | 0.1 in | Warmest, Driest |
| August | 75°F (24°C) | 0.2 in | |
| September | 70°F (21°C) | 0.6 in | |
| October | 62°F (17°C) | 2.1 in | |
| November | 50°F (10°C) | 5.5 in | |
| December | 44°F (7°C) | 5.4 in | Coldest |
Vallecito has a seasonal temperature swing of 38°F / from 44°F in December to 81°F in July. Total annual precipitation is 36.0 inches, with January being the wettest month (6.5") and July the driest (0.1").