Catheys Valley, CA
Full City Profile · California · Merced County County
3.9
/5.0
B+
Good
772
Population
33/sq mi density
$78,494
Median Income
$40,545 per capita
62°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$78,494 median income, 4.2% unemployment
B+
Education
3.6 / 5.0
31.9% bachelor's degree or higher
Catheys Valley enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 46°F in January while summers reach 79°F in July. Annual precipitation totals 23.7 inches. The area receives 0.0 inches of snow annually. Air quality is rated Moderate with a median AQI of 52.
Temperature
46°F Jan (8°C)
79°F Jul (26°C)
| Annual Average | 62.3°F |
| 15% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 1,317 ft (401 m) |
| Area | 23.5 sq mi (60.8 km²) |
| Population Density | 33/sq mi |
| Coordinates | 37.4277°N, 120.0960°W |
| Timezone | America/Los_Angeles |
| County | Merced County County |
| Nearest Airport | Merced Yosemite Regional (MCE) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 52.0 |
| Rating | Moderate |
| Good Days % | 45.9% |
| Unhealthy Days | 35 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0467 ppm |
| NO₂ (Nitrogen Dioxide) | 10.3 ppb |
| PM2.5 (Fine Particles) | 9.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.9 / 100 |
| Social Vulnerability | 61.7 / 100 |
| Community Resilience | 7.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively High |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Mammoth Mountain (97 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 97 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 103 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 113 km |
| Golden Trout Creek | Volcanic field | 2,886 m (9,469 ft) | -5550 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 4.5 in | |
| February | 51°F (10°C) | 3.5 in | |
| March | 55°F (13°C) | 3.8 in | |
| April | 60°F (15°C) | 1.8 in | |
| May | 67°F (20°C) | 1.2 in | |
| June | 74°F (23°C) | 0.3 in | |
| July | 79°F (26°C) | 0.1 in | Warmest |
| August | 78°F (26°C) | 0.0 in | Driest |
| September | 74°F (23°C) | 0.2 in | |
| October | 64°F (18°C) | 1.6 in | |
| November | 54°F (12°C) | 2.3 in | |
| December | 46°F (8°C) | 4.5 in | Coldest, Wettest |
Catheys Valley has a seasonal temperature swing of 33°F / from 46°F in December to 79°F in July. Total annual precipitation is 23.7 inches, with December being the wettest month (4.5") and August the driest (0.0").