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Concord, CA
Full City Profile · California · San Mateo County County
3.1
/5.0
B
Good
124,260
Population
4,065/sq mi density
$109,195
Median Income
$49,514 per capita
$755,900
Home Value
$729,153 Zillow
$2,226
Median Rent
35.5% income on rent
58°F
Avg Temperature
320 sunny days/yr
414
Violent Crime/100K
3,491 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$109,195 median income, 3.3% unemployment
C+
Affordability
2.8 / 5.0
$755,900 home value, $2,226/mo rent
F
Safety
1.0 / 5.0
414 violent crimes/100K (9% above avg)
A
Education
4.0 / 5.0
37.8% bachelor's degree or higher
Concord enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 49°F in January while summers reach 70°F in July. The area gets 320 sunny days per year. Annual precipitation totals 31.1 inches. The area receives 4.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
49°F Jan (9°C)
70°F Jul (21°C)
| Annual Average | 58.3°F |
| 8% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 30.6 sq mi (79.2 km²) |
| Population Density | 4,065/sq mi |
| Coordinates | 37.9722°N, 122.0016°W |
| Timezone | America/Los_Angeles |
| County | San Mateo County County |
| Nearest Airport | Metro Oakland International (OAK) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0332 ppm |
| NO₂ (Nitrogen Dioxide) | 12.1 ppb |
| CO (Carbon Monoxide) | 0.34 ppm |
| PM2.5 (Fine Particles) | 4.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.2 / 100 |
| Social Vulnerability | 20.5 / 100 |
| Community Resilience | 97.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Moderate |
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 | 32 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 105 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 59 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 53 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | - | - | 86 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (130 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 130 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 4.7 in | Wettest |
| February | 51°F (11°C) | 3.9 in | |
| March | 54°F (12°C) | 3.2 in | |
| April | 57°F (14°C) | 1.3 in | |
| May | 62°F (17°C) | 0.5 in | |
| June | 67°F (19°C) | 0.1 in | |
| July | 70°F (21°C) | 0.0 in | Driest |
| August | 70°F (21°C) | 0.1 in | Warmest |
| September | 68°F (20°C) | 0.3 in | |
| October | 63°F (17°C) | 1.2 in | |
| November | 54°F (12°C) | 3.2 in | |
| December | 48°F (9°C) | 3.3 in | Coldest |
Concord has a seasonal temperature swing of 22°F / from 48°F in December to 70°F in August. Total annual precipitation is 21.8 inches, with January being the wettest month (4.7") and July the driest (0.0").