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Coulterville, CA
Full City Profile · California · Merced County County
2.7
/5.0
C+
Fair
13
Population
33/sq mi density
56°F
Avg Temperature
317 sunny days/yr
460
Violent Crime/100K
7,000 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
460 violent crimes/100K (21% above avg)
A
Education
4.4 / 5.0
0.0% bachelor's degree or higher
Coulterville enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 42°F in January while summers reach 74°F in July. The area gets 317 sunny days per year. Annual precipitation totals 38.7 inches. The area receives 3.8 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
42°F Jan (6°C)
74°F Jul (23°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 1,706 ft (520 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 33/sq mi |
| Coordinates | 37.7126°N, 120.1961°W |
| Timezone | America/Los_Angeles |
| County | Merced County County |
| Nearest Airport | Merced Yosemite Regional (MCE) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
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
3 volcanoes within 200 km. Closest: Mammoth Mountain (103 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 103 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 | 107 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 5.5 in | Coldest, Wettest |
| February | 47°F (8°C) | 5.1 in | |
| March | 49°F (10°C) | 4.8 in | |
| April | 54°F (12°C) | 3.0 in | |
| May | 60°F (16°C) | 0.6 in | |
| June | 69°F (20°C) | 0.3 in | |
| July | 74°F (23°C) | 0.1 in | Driest |
| August | 76°F (25°C) | 0.2 in | Warmest |
| September | 71°F (22°C) | 0.5 in | |
| October | 63°F (17°C) | 1.7 in | |
| November | 51°F (11°C) | 4.9 in | |
| December | 44°F (7°C) | 4.8 in |
Coulterville has a seasonal temperature swing of 34°F / from 42°F in January to 76°F in August. Total annual precipitation is 31.4 inches, with January being the wettest month (5.5") and July the driest (0.1").