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Modesto, CA
Full City Profile · California · Stanislaus County County
2.8
/5.0
C+
Fair
218,614
Population
5,042/sq mi density
$77,899
Median Income
$34,656 per capita
$415,600
Home Value
$440,861 Zillow
$1,609
Median Rent
33.5% income on rent
62°F
Avg Temperature
322 sunny days/yr
812
Violent Crime/100K
3,317 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$77,899 median income, 4.5% unemployment
B+
Affordability
3.7 / 5.0
$415,600 home value, $1,609/mo rent
F
Safety
1.0 / 5.0
812 violent crimes/100K (114% above avg)
C+
Education
2.6 / 5.0
20.3% bachelor's degree or higher
Modesto enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 47°F in January while summers reach 83°F in July. The area gets 322 sunny days per year. Annual precipitation totals 26.4 inches. The area receives 0.5 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
47°F Jan (8°C)
83°F Jul (28°C)
| Annual Average | 62.1°F |
| 15% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 95 ft (29 m) |
| Area | 36.9 sq mi (95.5 km²) |
| Population Density | 5,042/sq mi |
| Coordinates | 37.6375°N, 121.0030°W |
| Timezone | America/Los_Angeles |
| County | Stanislaus County County |
| Nearest Airport | Merced Yosemite Regional (MCE) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0458 ppm |
| NO₂ (Nitrogen Dioxide) | 12.4 ppb |
| CO (Carbon Monoxide) | 0.22 ppm |
| PM2.5 (Fine Particles) | 10.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.9 / 100 |
| Social Vulnerability | 32.0 / 100 |
| Community Resilience | 33.9 / 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 Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | N. CALIFORNIA | Eruption + Earthquake | 4.5 m | 30 | 97 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 103 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 115 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 132 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 93 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Mammoth Mountain (174 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 174 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 175 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 178 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 2.1 in | Wettest |
| February | 51°F (10°C) | 1.7 in | |
| March | 55°F (13°C) | 1.8 in | |
| April | 60°F (15°C) | 0.9 in | |
| May | 66°F (19°C) | 0.2 in | |
| June | 72°F (22°C) | 0.1 in | |
| July | 83°F (28°C) | 0.0 in | Warmest, Driest |
| August | 75°F (24°C) | 0.1 in | |
| September | 71°F (22°C) | 0.2 in | |
| October | 64°F (18°C) | 0.7 in | |
| November | 54°F (12°C) | 1.8 in | |
| December | 45°F (7°C) | 1.6 in | Coldest |
Modesto has a seasonal temperature swing of 37°F / from 45°F in December to 83°F in July. Total annual precipitation is 11.1 inches, with January being the wettest month (2.1") and July the driest (0.0").