Foresthill, CA
Full City Profile · California · Placer County County
3.8
/5.0
B+
Good
1,455
Population
130/sq mi density
$102,632
Median Income
$27,575 per capita
$2,274
Median Rent
24.7% income on rent
58°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$102,632 median income, 0.0% unemployment
A
Affordability
4.1 / 5.0
C
Education
2.4 / 5.0
17.0% bachelor's degree or higher
Foresthill enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 44°F in January while summers reach 77°F in July. Annual precipitation totals 55.6 inches. The area receives 2.6 inches of snow annually. Air quality is rated Moderate with a median AQI of 50.
Temperature
44°F Jan (7°C)
77°F Jul (25°C)
| Annual Average | 58.2°F |
| 8% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 2,166 ft (660 m) |
| Area | 11.2 sq mi (29.0 km²) |
| Population Density | 130/sq mi |
| Coordinates | 39.0053°N, 120.8314°W |
| Timezone | America/Los_Angeles |
| County | Placer County County |
| Nearest Airport | Sacramento International (SMF) 46 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
4 volcanoes within 200 km. Closest: Clear Lake (168 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 168 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 175 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 179 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 9.9 in | |
| February | 45°F (7°C) | 9.1 in | |
| March | 48°F (9°C) | 8.7 in | |
| April | 53°F (11°C) | 4.6 in | |
| May | 60°F (15°C) | 2.9 in | |
| June | 69°F (20°C) | 0.8 in | |
| July | 77°F (25°C) | 0.0 in | Warmest, Driest |
| August | 77°F (25°C) | 0.1 in | |
| September | 72°F (22°C) | 0.6 in | |
| October | 62°F (17°C) | 2.9 in | |
| November | 50°F (10°C) | 5.6 in | |
| December | 43°F (6°C) | 10.5 in | Coldest, Wettest |
Foresthill has a seasonal temperature swing of 34°F / from 43°F in December to 77°F in July. Total annual precipitation is 55.6 inches, with December being the wettest month (10.5") and July the driest (0.0").