Colfax, CA
Full City Profile · California · Placer County County
3.1
/5.0
B
Good
2,095
Population
1,486/sq mi density
$74,583
Median Income
$38,853 per capita
$397,100
Home Value
$499,029 Zillow
$1,633
Median Rent
26.5% income on rent
59°F
Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.0 / 5.0
$74,583 median income, 11.6% unemployment
B+
Affordability
3.7 / 5.0
$397,100 home value, $1,633/mo rent
C+
Education
2.6 / 5.0
19.5% bachelor's degree or higher
Colfax enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 46°F in January while summers reach 77°F in July. Annual precipitation totals 45.9 inches. The area receives 7.2 inches of snow annually. Air quality is rated Moderate with a median AQI of 50.
Temperature
46°F Jan (8°C)
77°F Jul (25°C)
| Annual Average | 59.2°F |
| 10% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 2,381 ft (726 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 1,486/sq mi |
| Coordinates | 39.0938°N, 120.9532°W |
| Timezone | America/Los_Angeles |
| County | Placer County County |
| Nearest Airport | Sacramento International (SMF) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 50.0 |
| Rating | Good |
| Good Days % | 51.4% |
| Unhealthy Days | 27 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0437 ppm |
| NO₂ (Nitrogen Dioxide) | 9.6 ppb |
| PM2.5 (Fine Particles) | 6.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.1 / 100 |
| Social Vulnerability | 16.6 / 100 |
| Community Resilience | 83.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Clear Lake (158 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 158 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 163 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 7.8 in | |
| February | 47°F (8°C) | 8.0 in | |
| March | 50°F (10°C) | 7.2 in | |
| April | 54°F (12°C) | 3.6 in | |
| May | 62°F (16°C) | 2.3 in | |
| June | 70°F (21°C) | 0.7 in | |
| July | 77°F (25°C) | 0.0 in | Warmest, Driest |
| August | 76°F (25°C) | 0.1 in | |
| September | 72°F (22°C) | 0.4 in | |
| October | 62°F (17°C) | 2.1 in | |
| November | 51°F (11°C) | 5.2 in | |
| December | 45°F (7°C) | 8.5 in | Coldest, Wettest |
Colfax has a seasonal temperature swing of 33°F / from 45°F in December to 77°F in July. Total annual precipitation is 45.9 inches, with December being the wettest month (8.5") and July the driest (0.0").