Columbia, CA
Full City Profile · California · Calaveras County County
2.8
/5.0
C+
Fair
2,645
Population
444/sq mi density
$57,647
Median Income
$32,651 per capita
$396,200
Home Value
$408,765 Zillow
$1,054
Median Rent
48.2% income on rent
63°F
Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$57,647 median income, 7.7% unemployment
C+
Affordability
2.8 / 5.0
$396,200 home value, $1,054/mo rent
C+
Education
2.6 / 5.0
19.5% bachelor's degree or higher
Columbia 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. 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 42.
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) |
Geography
| Elevation | 2,093 ft (638 m) |
| Area | 6.0 sq mi (15.4 km²) |
| Population Density | 444/sq mi |
| Coordinates | 38.0312°N, 120.4134°W |
| Timezone | America/Los_Angeles |
| County | Calaveras County County |
| Nearest Airport | Merced Yosemite Regional (MCE) 51 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)
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Mono Lake Volcanic Field (121 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 121 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 124 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 129 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 5.9 in | Wettest |
| February | 50°F (10°C) | 4.9 in | |
| March | 54°F (12°C) | 4.8 in | |
| April | 58°F (14°C) | 2.6 in | |
| May | 66°F (19°C) | 1.5 in | |
| June | 74°F (23°C) | 0.4 in | |
| July | 81°F (27°C) | 0.0 in | Warmest, Driest |
| August | 80°F (27°C) | 0.0 in | |
| September | 76°F (24°C) | 0.2 in | |
| October | 66°F (19°C) | 1.5 in | |
| November | 55°F (13°C) | 2.9 in | |
| December | 48°F (9°C) | 5.2 in | Coldest |
Columbia has a seasonal temperature swing of 34°F / from 48°F in December to 81°F in July. Total annual precipitation is 29.8 inches, with January being the wettest month (5.9") and July the driest (0.0").