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Manteca, CA
Full City Profile · California · San Joaquin County County
2.9
/5.0
C+
Fair
86,521
Population
3,974/sq mi density
$94,718
Median Income
$37,326 per capita
$561,200
Home Value
$583,668 Zillow
$1,934
Median Rent
32.6% income on rent
61°F
Avg Temperature
322 sunny days/yr
238
Violent Crime/100K
2,213 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$94,718 median income, 4.0% unemployment
B
Affordability
3.3 / 5.0
$561,200 home value, $1,934/mo rent
F
Safety
1.0 / 5.0
238 violent crimes/100K
C+
Education
2.7 / 5.0
20.9% bachelor's degree or higher
Manteca enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 47°F in January while summers reach 80°F in July. The area gets 322 sunny days per year. Annual precipitation totals 28.5 inches. The area receives 1.7 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
47°F Jan (9°C)
80°F Jul (26°C)
| Annual Average | 61.4°F |
| 14% above US avg | |
| January Average | 47°F (9°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 17.8 sq mi (46.0 km²) |
| Population Density | 3,974/sq mi |
| Coordinates | 37.7928°N, 121.2261°W |
| Timezone | America/Los_Angeles |
| County | San Joaquin County County |
| Nearest Airport | Norman Y Mineta San Jose International (SJC) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0391 ppm |
| NO₂ (Nitrogen Dioxide) | 10.1 ppb |
| CO (Carbon Monoxide) | 0.27 ppm |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.6 / 100 |
| Social Vulnerability | 39.7 / 100 |
| Community Resilience | 47.0 / 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 | Relatively 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)
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 | 78 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 102 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 100 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 113 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Clear Lake (188 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 188 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 193 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 194 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 2.1 in | Wettest |
| February | 51°F (10°C) | 1.8 in | |
| March | 55°F (13°C) | 1.8 in | |
| April | 60°F (15°C) | 0.8 in | |
| May | 66°F (19°C) | 0.2 in | |
| June | 71°F (22°C) | 0.1 in | |
| July | 80°F (26°C) | 0.0 in | Warmest, Driest |
| August | 75°F (24°C) | 0.1 in | |
| September | 71°F (22°C) | 0.3 in | |
| October | 65°F (18°C) | 0.7 in | |
| November | 54°F (12°C) | 1.8 in | |
| December | 46°F (8°C) | 1.7 in | Coldest |
Manteca has a seasonal temperature swing of 34°F / from 46°F in December to 80°F in July. Total annual precipitation is 11.4 inches, with January being the wettest month (2.1") and July the driest (0.0").