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Stonyford, CA
Full City Profile · California · Glenn County County
1.4
/5.0
F
Poor
98
Population
70/sq mi density
59°F
Avg Temperature
326 sunny days/yr
361
Violent Crime/100K
2,743 property/100K
F
Overall
1.4 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
361 violent crimes/100K
D
Education
1.9 / 5.0
10.8% bachelor's degree or higher
Stonyford enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 44°F in January while summers reach 77°F in July. The area gets 326 sunny days per year. Annual precipitation totals 21.8 inches. The area receives 1.4 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
44°F Jan (7°C)
77°F Jul (25°C)
| Annual Average | 59.3°F |
| 10% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 1,192 ft (363 m) |
| Area | 2.9 sq mi (7.5 km²) |
| Population Density | 70/sq mi |
| Coordinates | 39.3695°N, 122.5438°W |
| Timezone | America/Los_Angeles |
| County | Glenn County County |
| Nearest Airport | Chico Regional (CIC) 45 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0417 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.4 / 100 |
| Social Vulnerability | 14.8 / 100 |
| Community Resilience | 15.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Clear Lake (49 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 49 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 153 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 5.6 in | Wettest |
| February | 46°F (8°C) | 4.3 in | |
| March | 49°F (9°C) | 3.7 in | |
| April | 53°F (12°C) | 1.7 in | |
| May | 61°F (16°C) | 0.5 in | |
| June | 69°F (20°C) | 0.3 in | |
| July | 77°F (25°C) | 0.1 in | Warmest, Driest |
| August | 74°F (23°C) | 0.2 in | |
| September | 69°F (21°C) | 0.6 in | |
| October | 60°F (16°C) | 1.7 in | |
| November | 49°F (10°C) | 4.5 in | |
| December | 44°F (6°C) | 4.8 in | Coldest |
Stonyford has a seasonal temperature swing of 33°F / from 44°F in December to 77°F in July. Total annual precipitation is 27.9 inches, with January being the wettest month (5.6") and July the driest (0.1").