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Porterville, CA
Full City Profile · California · Kings County County
2.6
/5.0
C+
Fair
62,765
Population
3,335/sq mi density
$59,012
Median Income
$23,919 per capita
$273,600
Home Value
$323,742 Zillow
$1,111
Median Rent
34.8% income on rent
66°F
Avg Temperature
330 sunny days/yr
319
Violent Crime/100K
2,154 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$59,012 median income, 5.6% unemployment
A
Affordability
4.1 / 5.0
$273,600 home value, $1,111/mo rent
F
Safety
1.0 / 5.0
319 violent crimes/100K
C
Education
2.2 / 5.0
14.9% bachelor's degree or higher
Porterville enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 330 sunny days per year. Annual precipitation totals 11.0 inches. Air quality is rated Good with a median AQI of 48.
Temperature
49°F Jan (10°C)
83°F Jul (29°C)
| Annual Average | 65.7°F |
| 22% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 443 ft (135 m) |
| Area | 17.7 sq mi (45.8 km²) |
| Population Density | 3,335/sq mi |
| Coordinates | 36.0635°N, 119.0336°W |
| Timezone | America/Los_Angeles |
| County | Kings County County |
| Nearest Airport | Fresno Yosemite International (FAT) 62 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0459 ppm |
| NO₂ (Nitrogen Dioxide) | 11.1 ppb |
| PM2.5 (Fine Particles) | 11.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.4 / 100 |
| Social Vulnerability | 65.7 / 100 |
| Community Resilience | 7.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | — | — | 132 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Golden Trout Creek (72 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Golden Trout Creek | Volcanic field | 2,886 m (9,469 ft) | -5550 | 72 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 174 km |
| Ubehebe Craters | Maar(s) | 752 m (2,467 ft) | -150 | 177 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 1.8 in | Wettest |
| February | 52°F (11°C) | 1.8 in | |
| March | 56°F (13°C) | 1.7 in | |
| April | 61°F (16°C) | 1.0 in | |
| May | 69°F (20°C) | 0.3 in | |
| June | 75°F (24°C) | 0.1 in | |
| July | 83°F (29°C) | 0.0 in | Warmest, Driest |
| August | 79°F (26°C) | 0.0 in | |
| September | 74°F (23°C) | 0.3 in | |
| October | 65°F (18°C) | 0.6 in | |
| November | 53°F (12°C) | 1.4 in | |
| December | 46°F (8°C) | 1.4 in | Coldest |
Porterville has a seasonal temperature swing of 37°F / from 46°F in December to 83°F in July. Total annual precipitation is 10.4 inches, with January being the wettest month (1.8") and July the driest (0.0").