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Round Valley, CA
Full City Profile · California · Mono County County
1.9
/5.0
D
Poor
523
Population
37/sq mi density
$49,844
Median Income
$30,370 per capita
$608,900
Home Value
$575,110 Zillow
$1,398
Median Rent
36.4% income on rent
57°F
Avg Temperature
330 sunny days/yr
699
Violent Crime/100K
3,316 property/100K
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$49,844 median income, 1.4% unemployment
F
Affordability
1.0 / 5.0
$608,900 home value, $1,398/mo rent
F
Safety
1.0 / 5.0
699 violent crimes/100K (84% above avg)
D
Education
2.0 / 5.0
12.3% bachelor's degree or higher
Round Valley enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 40°F in January while summers reach 78°F in July. The area gets 330 sunny days per year. Annual precipitation totals 4.8 inches. Air quality is rated Good with a median AQI of 48.
Temperature
40°F Jan (4°C)
78°F Jul (26°C)
| Annual Average | 57.3°F |
| 6% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 4,566 ft (1,392 m) |
| Area | 13.8 sq mi (35.8 km²) |
| Population Density | 37/sq mi |
| Coordinates | 37.4142°N, 118.5723°W |
| Timezone | America/Los_Angeles |
| County | Mono County County |
| Nearest Airport | Fresno Yosemite International (FAT) 77 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 4.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 46.5 / 100 |
| Social Vulnerability | 23.4 / 100 |
| Community Resilience | 65.7 / 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 Moderate |
| Lightning | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | Relatively Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Mammoth Mountain (47 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 47 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 59 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 77 km |
| Ubehebe Craters | Maar(s) | 752 m (2,467 ft) | -150 | 109 km |
| Golden Trout Creek | Volcanic field | 2,886 m (9,469 ft) | -5550 | 120 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.2 in | Wettest |
| February | 37°F (3°C) | 1.9 in | |
| March | 41°F (5°C) | 1.4 in | |
| April | 46°F (8°C) | 0.7 in | |
| May | 54°F (12°C) | 0.5 in | |
| June | 64°F (18°C) | 0.4 in | Driest |
| July | 78°F (26°C) | 0.4 in | Warmest |
| August | 70°F (21°C) | 0.4 in | |
| September | 63°F (17°C) | 0.6 in | |
| October | 53°F (11°C) | 0.5 in | |
| November | 42°F (5°C) | 1.4 in | |
| December | 34°F (1°C) | 1.7 in | Coldest |
Round Valley has a seasonal temperature swing of 44°F / from 34°F in December to 78°F in July. Total annual precipitation is 11.9 inches, with January being the wettest month (2.2") and June the driest (0.4").