Calpine, CA
Full City Profile · California · Sierra County County
5.0
/5.0
A+
Excellent
83
Population
117/sq mi density
47°F
Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
68.2% bachelor's degree or higher
Calpine experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 31°F in January while summers reach 66°F in July. Annual precipitation totals 27.6 inches. The area receives 37.8 inches of snow annually.
Temperature
31°F Jan (-0°C)
66°F Jul (19°C)
| Annual Average | 46.7°F |
| 14% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 4,994 ft (1,522 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 117/sq mi |
| Coordinates | 39.6634°N, 120.4393°W |
| Timezone | America/Los_Angeles |
| County | Sierra County County |
| Nearest Airport | Reno/Tahoe International (RNO) 38 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.5 / 100 |
| Social Vulnerability | 63.2 / 100 |
| Community Resilience | 31.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Lassen Volcanic Center (129 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 129 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 135 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 4.2 in | |
| February | 34°F (1°C) | 5.0 in | |
| March | 38°F (4°C) | 3.9 in | |
| April | 43°F (6°C) | 1.8 in | |
| May | 51°F (11°C) | 1.4 in | |
| June | 59°F (15°C) | 0.6 in | |
| July | 66°F (19°C) | 0.4 in | Warmest |
| August | 64°F (18°C) | 0.4 in | Driest |
| September | 58°F (14°C) | 0.5 in | |
| October | 48°F (9°C) | 1.7 in | |
| November | 38°F (3°C) | 2.7 in | |
| December | 31°F (-1°C) | 5.1 in | Coldest, Wettest |
Calpine has a seasonal temperature swing of 35°F / from 31°F in December to 66°F in July. Total annual precipitation is 27.7 inches, with December being the wettest month (5.1") and August the driest (0.4").