Plumas Lake, CA
Full City Profile · California · Yolo County County
3.8
/5.0
B+
Good
8,424
Population
711/sq mi density
$114,083
Median Income
$45,254 per capita
$525,900
Home Value
$618,817 Zillow
$2,290
Median Rent
33.1% income on rent
62°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$114,083 median income, 7.2% unemployment
A
Affordability
4.1 / 5.0
$525,900 home value, $2,290/mo rent
B
Education
3.2 / 5.0
28.1% bachelor's degree or higher
Plumas Lake enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 47°F in January while summers reach 79°F in July. Annual precipitation totals 20.1 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 45.
Temperature
47°F Jan (8°C)
79°F Jul (26°C)
| Annual Average | 62.1°F |
| 15% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 43 ft (13 m) |
| Area | 8.4 sq mi (21.7 km²) |
| Population Density | 711/sq mi |
| Coordinates | 38.9791°N, 121.5581°W |
| Timezone | America/Los_Angeles |
| County | Yolo County County |
| Nearest Airport | Sacramento International (SMF) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
| Good Days % | 65.0% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0410 ppm |
| NO₂ (Nitrogen Dioxide) | 5.7 ppb |
| PM2.5 (Fine Particles) | 7.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.4 / 100 |
| Social Vulnerability | 24.2 / 100 |
| Community Resilience | 69.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| 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 | 150 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Clear Lake (105 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 105 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 168 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 3.8 in | Wettest |
| February | 51°F (10°C) | 3.7 in | |
| March | 55°F (13°C) | 2.9 in | |
| April | 60°F (15°C) | 1.4 in | |
| May | 67°F (20°C) | 0.9 in | |
| June | 74°F (23°C) | 0.3 in | |
| July | 79°F (26°C) | 0.0 in | Warmest, Driest |
| August | 77°F (25°C) | 0.1 in | |
| September | 73°F (23°C) | 0.1 in | |
| October | 64°F (18°C) | 1.0 in | |
| November | 53°F (12°C) | 2.2 in | |
| December | 47°F (8°C) | 3.7 in | Coldest |
Plumas Lake has a seasonal temperature swing of 32°F / from 47°F in December to 79°F in July. Total annual precipitation is 20.1 inches, with January being the wettest month (3.8") and July the driest (0.0").