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Quincy, CA
Full City Profile · California · Plumas County County
3.1
/5.0
B
Good
1,580
Population
374/sq mi density
$87,008
Median Income
$47,184 per capita
$284,500
Home Value
$307,417 Zillow
50°F
Avg Temperature
293 sunny days/yr
711
Violent Crime/100K
2,093 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$87,008 median income, 6.3% unemployment
A+
Affordability
4.8 / 5.0
$284,500 home value, /mo rent
F
Safety
1.0 / 5.0
711 violent crimes/100K (87% above avg)
C+
Education
2.6 / 5.0
19.4% bachelor's degree or higher
Quincy experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 35°F in January while summers reach 68°F in July. The area gets 293 sunny days per year. Annual precipitation totals 41.7 inches. The area receives 28.4 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
35°F Jan (1°C)
68°F Jul (20°C)
| Annual Average | 50.0°F |
| 7% below US avg | |
| January Average | 35°F (1°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 3,870 ft (1,180 m) |
| Area | 4.2 sq mi (10.9 km²) |
| Population Density | 374/sq mi |
| Coordinates | 39.9310°N, 120.9549°W |
| Timezone | America/Los_Angeles |
| County | Plumas County County |
| Nearest Airport | Chico Regional (CIC) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 14.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.4 / 100 |
| Social Vulnerability | 91.4 / 100 |
| Community Resilience | 69.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Lassen Volcanic Center (78 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 78 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 184 km |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 189 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 194 km |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 7.5 in | Coldest, Wettest |
| February | 37°F (3°C) | 6.1 in | |
| March | 40°F (4°C) | 5.7 in | |
| April | 44°F (7°C) | 2.7 in | |
| May | 52°F (11°C) | 1.5 in | |
| June | 59°F (15°C) | 0.8 in | |
| July | 68°F (20°C) | 0.2 in | Warmest, Driest |
| August | 66°F (19°C) | 0.4 in | |
| September | 60°F (15°C) | 0.9 in | |
| October | 51°F (11°C) | 2.7 in | |
| November | 41°F (5°C) | 5.8 in | |
| December | 35°F (1°C) | 6.3 in |
Quincy has a seasonal temperature swing of 34°F / from 35°F in January to 68°F in July. Total annual precipitation is 40.6 inches, with January being the wettest month (7.5") and July the driest (0.2").