Floriston, CA
Full City Profile · California · Sierra County County
5.0
/5.0
A+
Excellent
22
Population
23/sq mi density
44°F
Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Floriston has a cool climate with an average annual temperature of 44°F (7°C). Winters average 29°F in January while summers reach 63°F in July. Annual precipitation totals 22.5 inches. The area receives 98.4 inches of snow annually.
Temperature
29°F Jan (-2°C)
63°F Jul (17°C)
| Annual Average | 44.3°F |
| 18% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 63°F (17°C) |
Geography
| Elevation | 6,422 ft (1,957 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 23/sq mi |
| Coordinates | 39.3929°N, 120.0151°W |
| Timezone | America/Los_Angeles |
| County | Sierra County County |
| Nearest Airport | Reno/Tahoe International (RNO) 15 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
4 volcanoes within 200 km. Closest: Soda Lakes (100 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 100 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 176 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 177 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 3.9 in | Coldest |
| February | 31°F (-1°C) | 3.6 in | |
| March | 36°F (2°C) | 2.9 in | |
| April | 41°F (5°C) | 1.5 in | |
| May | 49°F (9°C) | 1.4 in | |
| June | 56°F (13°C) | 0.6 in | |
| July | 63°F (17°C) | 0.5 in | Warmest |
| August | 61°F (16°C) | 0.4 in | Driest |
| September | 55°F (13°C) | 0.5 in | |
| October | 46°F (8°C) | 1.3 in | |
| November | 37°F (3°C) | 2.0 in | |
| December | 29°F (-2°C) | 4.1 in | Wettest |
Floriston has a seasonal temperature swing of 34°F / from 29°F in January to 63°F in July. Total annual precipitation is 22.5 inches, with December being the wettest month (4.1") and August the driest (0.4").