All Countries
Fullerton, CA
Full City Profile · California · Orange County County
3.0
/5.0
B
Good
141,278
Population
6,301/sq mi density
$104,219
Median Income
$48,061 per capita
$859,600
Home Value
$1,029,846 Zillow
$2,124
Median Rent
36.1% income on rent
62°F
Avg Temperature
328 sunny days/yr
266
Violent Crime/100K
2,252 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$104,219 median income, 4.3% unemployment
C
Affordability
2.0 / 5.0
$859,600 home value, $2,124/mo rent
F
Safety
1.0 / 5.0
266 violent crimes/100K
A
Education
4.5 / 5.0
43.6% bachelor's degree or higher
Fullerton enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 52°F in January while summers reach 74°F in July. The area gets 328 sunny days per year. Annual precipitation totals 43.2 inches. The area receives 1.1 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
52°F Jan (11°C)
74°F Jul (23°C)
| Annual Average | 62.2°F |
| 15% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 272 ft (83 m) |
| Area | 22.4 sq mi (57.9 km²) |
| Population Density | 6,301/sq mi |
| Coordinates | 33.8857°N, 117.9280°W |
| Timezone | America/Los_Angeles |
| County | Orange County County |
| Nearest Airport | John Wayne/Orange County (SNA) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0440 ppm |
| NO₂ (Nitrogen Dioxide) | 18.4 ppb |
| CO (Carbon Monoxide) | 0.35 ppm |
| PM2.5 (Fine Particles) | 9.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.8 / 100 |
| Social Vulnerability | 24.9 / 100 |
| Community Resilience | 16.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| Earthquake | Very High |
| Wildfire | Relatively High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 3.1 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | S. CALIFORNIA | Eruption + Earthquake | 3.1 m | 1 | 68 km |
| 1862 | S. CALIFORNIA | Eruption + Earthquake | 1.2 m | - | 148 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 67 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | - | - | 29 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 3.4 in | Coldest |
| February | 58°F (14°C) | 3.5 in | Wettest |
| March | 59°F (15°C) | 3.0 in | |
| April | 62°F (17°C) | 0.9 in | |
| May | 65°F (18°C) | 0.2 in | |
| June | 70°F (21°C) | 0.1 in | |
| July | 74°F (23°C) | 0.0 in | Driest |
| August | 75°F (24°C) | 0.1 in | Warmest |
| September | 73°F (23°C) | 0.3 in | |
| October | 68°F (20°C) | 0.5 in | |
| November | 61°F (16°C) | 1.6 in | |
| December | 56°F (13°C) | 2.1 in |
Fullerton has a seasonal temperature swing of 23°F / from 52°F in January to 75°F in August. Total annual precipitation is 15.7 inches, with February being the wettest month (3.5") and July the driest (0.0").