Rancho Calaveras, CA
Full City Profile · California · Calaveras County County
3.5
/5.0
B+
Good
6,619
Population
663/sq mi density
$91,629
Median Income
$40,143 per capita
$435,900
Home Value
$467,273 Zillow
$2,840
Median Rent
18.3% income on rent
63°F
Avg Temperature
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$91,629 median income, 3.5% unemployment
B+
Affordability
4.0 / 5.0
$435,900 home value, $2,840/mo rent
C
Education
2.0 / 5.0
12.5% bachelor's degree or higher
Rancho Calaveras enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 48°F in January while summers reach 79°F in July. Annual precipitation totals 22.9 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
48°F Jan (9°C)
79°F Jul (26°C)
| Annual Average | 62.5°F |
| 16% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 562 ft (171 m) |
| Area | 8.4 sq mi (21.8 km²) |
| Population Density | 663/sq mi |
| Coordinates | 38.1333°N, 120.8618°W |
| Timezone | America/Los_Angeles |
| County | Calaveras County County |
| Nearest Airport | Sacramento International (SMF) 55 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 72.7% |
| Unhealthy Days | 8 |
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
3 tsunamis 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 | 119 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 145 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | - | - | 138 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Mono Lake Volcanic Field (161 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 161 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 165 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 170 km |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 4.0 in | |
| February | 51°F (11°C) | 3.8 in | |
| March | 55°F (13°C) | 3.6 in | |
| April | 59°F (15°C) | 2.2 in | |
| May | 66°F (19°C) | 1.3 in | |
| June | 73°F (23°C) | 0.3 in | |
| July | 79°F (26°C) | 0.0 in | Warmest, Driest |
| August | 78°F (26°C) | 0.0 in | |
| September | 75°F (24°C) | 0.2 in | |
| October | 66°F (19°C) | 1.1 in | |
| November | 55°F (13°C) | 2.2 in | |
| December | 48°F (9°C) | 4.2 in | Coldest, Wettest |
Rancho Calaveras has a seasonal temperature swing of 31°F / from 48°F in December to 79°F in July. Total annual precipitation is 22.9 inches, with December being the wettest month (4.2") and July the driest (0.0").