Ruth, CA
Full City Profile · California · Trinity County County
3.0
/5.0
B
Good
165
Population
4/sq mi density
56°F
Avg Temperature
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Education
3.0 / 5.0
24.8% bachelor's degree or higher
Ruth enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 44°F in January while summers reach 70°F in July. Annual precipitation totals 65.4 inches. The area receives 0.2 inches of snow annually. Air quality is rated Good with a median AQI of 31.
Temperature
44°F Jan (7°C)
70°F Jul (21°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 2,829 ft (862 m) |
| Area | 40.5 sq mi (104.9 km²) |
| Population Density | 4/sq mi |
| Coordinates | 40.2938°N, 123.3483°W |
| Timezone | America/Los_Angeles |
| County | Trinity County County |
| Nearest Airport | Redding Regional (RDD) 57 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
| Good Days % | 72.3% |
| Unhealthy Days | 1 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 79.5 / 100 |
| Social Vulnerability | 82.6 / 100 |
| Community Resilience | 37.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Drought | No Rating |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 1.8 m (6 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1992 | CAPE MENDOCINO, N. CALIFORNIA | Earthquake | 1.8 m | - | 82 km |
| 2024 | CAPE MENDOCINO, N. CALIFORNIA | Earthquake | 0.1 m | - | 142 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Clear Lake (155 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 155 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 157 km |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 158 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 12.7 in | |
| February | 46°F (8°C) | 11.3 in | |
| March | 50°F (10°C) | 9.7 in | |
| April | 53°F (12°C) | 5.1 in | |
| May | 59°F (15°C) | 1.9 in | |
| June | 64°F (18°C) | 0.8 in | |
| July | 70°F (21°C) | 0.0 in | Driest |
| August | 70°F (21°C) | 0.0 in | Warmest |
| September | 67°F (19°C) | 0.4 in | |
| October | 57°F (14°C) | 2.7 in | |
| November | 48°F (9°C) | 6.7 in | |
| December | 44°F (7°C) | 14.0 in | Coldest, Wettest |
Ruth has a seasonal temperature swing of 27°F / from 44°F in December to 70°F in August. Total annual precipitation is 65.4 inches, with December being the wettest month (14.0") and July the driest (0.0").