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Wilseyville, CA
Full City Profile · California · Amador County County
2.2
/5.0
C
Fair
696
Population
90/sq mi density
$41,141
Median Income
$30,104 per capita
$288,500
Home Value
$276,123 Zillow
50°F
Avg Temperature
290 sunny days/yr
375
Violent Crime/100K
2,492 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$41,141 median income, 2.3% unemployment
C+
Affordability
2.7 / 5.0
$288,500 home value, /mo rent
F
Safety
1.0 / 5.0
375 violent crimes/100K
C+
Education
2.6 / 5.0
19.4% bachelor's degree or higher
Wilseyville experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 38°F in January while summers reach 68°F in July. The area gets 290 sunny days per year. Annual precipitation totals 55.5 inches. The area receives 104.8 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
38°F Jan (3°C)
68°F Jul (20°C)
| Annual Average | 50.3°F |
| 7% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 2,813 ft (857 m) |
| Area | 7.7 sq mi (20.0 km²) |
| Population Density | 90/sq mi |
| Coordinates | 38.3765°N, 120.4868°W |
| Timezone | America/Los_Angeles |
| County | Amador County County |
| Nearest Airport | Sacramento International (SMF) 64 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0404 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 79.2 / 100 |
| Social Vulnerability | 43.9 / 100 |
| Community Resilience | 35.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Mono Lake Volcanic Field (134 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 134 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 143 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 152 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 9.0 in | Coldest, Wettest |
| February | 41°F (5°C) | 7.8 in | |
| March | 43°F (6°C) | 7.6 in | |
| April | 48°F (9°C) | 4.4 in | |
| May | 55°F (13°C) | 1.5 in | |
| June | 63°F (17°C) | 0.6 in | |
| July | 68°F (20°C) | 0.2 in | Driest |
| August | 70°F (21°C) | 0.4 in | Warmest |
| September | 65°F (18°C) | 1.1 in | |
| October | 56°F (13°C) | 2.9 in | |
| November | 45°F (7°C) | 7.4 in | |
| December | 39°F (4°C) | 7.8 in |
Wilseyville has a seasonal temperature swing of 32°F / from 38°F in January to 70°F in August. Total annual precipitation is 50.5 inches, with January being the wettest month (9.0") and July the driest (0.2").