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Julian, CA
Full City Profile · California · San Diego County County
3.0
/5.0
B
Good
1,491
Population
189/sq mi density
$75,179
Median Income
$42,265 per capita
$553,800
Home Value
$567,678 Zillow
$1,510
Median Rent
28.3% income on rent
58°F
Avg Temperature
328 sunny days/yr
141
Violent Crime/100K
876 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$75,179 median income, 0.0% unemployment
C+
Affordability
2.5 / 5.0
$553,800 home value, $1,510/mo rent
F
Safety
1.0 / 5.0
141 violent crimes/100K
B+
Education
3.9 / 5.0
36.1% bachelor's degree or higher
Julian enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 46°F in January while summers reach 74°F in July. The area gets 328 sunny days per year. Annual precipitation totals 24.5 inches. The area receives 6.4 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
46°F Jan (8°C)
74°F Jul (23°C)
| Annual Average | 57.8°F |
| 7% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 4,335 ft (1,321 m) |
| Area | 7.9 sq mi (20.4 km²) |
| Population Density | 189/sq mi |
| Coordinates | 33.0735°N, 116.5889°W |
| Timezone | America/Los_Angeles |
| County | San Diego County County |
| Nearest Airport | San Diego International (SAN) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0453 ppm |
| NO₂ (Nitrogen Dioxide) | 13.7 ppb |
| SO₂ (Sulfur Dioxide) | 0.07 ppb |
| CO (Carbon Monoxide) | 0.50 ppm |
| PM2.5 (Fine Particles) | 8.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.7 / 100 |
| Social Vulnerability | 24.8 / 100 |
| Community Resilience | 8.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.2 m (4 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1862 | S. CALIFORNIA | Eruption + Earthquake | 1.2 m | — | 71 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Salton Buttes (92 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 92 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 4.0 in | |
| February | 47°F (8°C) | 4.0 in | |
| March | 48°F (9°C) | 4.3 in | Wettest |
| April | 53°F (12°C) | 1.7 in | |
| May | 59°F (15°C) | 0.6 in | |
| June | 67°F (19°C) | 0.1 in | Driest |
| July | 74°F (23°C) | 0.4 in | |
| August | 74°F (23°C) | 0.7 in | Warmest |
| September | 70°F (21°C) | 0.8 in | |
| October | 61°F (16°C) | 0.9 in | |
| November | 52°F (11°C) | 2.4 in | |
| December | 45°F (7°C) | 3.0 in | Coldest |
Julian has a seasonal temperature swing of 29°F / from 45°F in December to 74°F in August. Total annual precipitation is 22.9 inches, with March being the wettest month (4.3") and June the driest (0.1").