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Fall River Mills, CA
Full City Profile · California · Shasta County County
1.3
/5.0
F
Poor
511
Population
193/sq mi density
51°F
Avg Temperature
316 sunny days/yr
319
Violent Crime/100K
1,083 property/100K
F
Overall
1.3 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
319 violent crimes/100K
D
Education
1.5 / 5.0
6.8% bachelor's degree or higher
Fall River Mills experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 35°F in January while summers reach 69°F in July. The area gets 316 sunny days per year. Annual precipitation totals 19.3 inches. The area receives 10.7 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
35°F Jan (2°C)
69°F Jul (21°C)
| Annual Average | 50.5°F |
| 6% below US avg | |
| January Average | 35°F (2°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 3,327 ft (1,014 m) |
| Area | 2.8 sq mi (7.1 km²) |
| Population Density | 193/sq mi |
| Coordinates | 41.0072°N, 121.4411°W |
| Timezone | America/Los_Angeles |
| County | Shasta County County |
| Nearest Airport | Redding Regional (RDD) 57 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0439 ppm |
| PM2.5 (Fine Particles) | 7.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.4 / 100 |
| Social Vulnerability | 41.1 / 100 |
| Community Resilience | 47.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Lassen Volcanic Center (58 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 58 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 68 km |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 77 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 3.4 in | Wettest |
| February | 38°F (3°C) | 2.7 in | |
| March | 42°F (6°C) | 2.7 in | |
| April | 47°F (9°C) | 1.6 in | |
| May | 55°F (13°C) | 1.3 in | |
| June | 62°F (17°C) | 0.9 in | |
| July | 69°F (21°C) | 0.2 in | Warmest, Driest |
| August | 68°F (20°C) | 0.5 in | |
| September | 62°F (16°C) | 0.8 in | |
| October | 52°F (11°C) | 1.7 in | |
| November | 41°F (5°C) | 3.0 in | |
| December | 35°F (1°C) | 3.4 in | Coldest |
Fall River Mills has a seasonal temperature swing of 35°F / from 35°F in December to 69°F in July. Total annual precipitation is 22.1 inches, with January being the wettest month (3.4") and July the driest (0.2").