Rio Linda, CA
Full City Profile · California · Sacramento County County
3.6
/5.0
B+
Good
16,951
Population
1,707/sq mi density
$96,083
Median Income
$37,359 per capita
$438,800
Home Value
$449,391 Zillow
$1,781
Median Rent
31.1% income on rent
61°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$96,083 median income, 4.5% unemployment
A
Affordability
4.1 / 5.0
$438,800 home value, $1,781/mo rent
C
Education
2.3 / 5.0
16.5% bachelor's degree or higher
Rio Linda enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 47°F in January while summers reach 76°F in July. Annual precipitation totals 18.0 inches. The area receives 0.0 inches of snow annually. Air quality is rated Moderate with a median AQI of 51.
Temperature
47°F Jan (8°C)
76°F Jul (25°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 76°F (25°C) |
Geography
| Elevation | 50 ft (15 m) |
| Area | 9.9 sq mi (25.6 km²) |
| Population Density | 1,707/sq mi |
| Coordinates | 38.6875°N, 121.4417°W |
| Timezone | America/Los_Angeles |
| County | Sacramento County County |
| Nearest Airport | Sacramento International (SMF) 8 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 51.0 |
| Rating | Moderate |
| Good Days % | 49.7% |
| Unhealthy Days | 15 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0409 ppm |
| NO₂ (Nitrogen Dioxide) | 8.1 ppb |
| SO₂ (Sulfur Dioxide) | 0.17 ppb |
| CO (Carbon Monoxide) | 0.47 ppm |
| PM2.5 (Fine Particles) | 7.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.1 / 100 |
| Social Vulnerability | 37.4 / 100 |
| Community Resilience | 57.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| Coastal Flood | No Rating |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 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 | 124 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 144 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (119 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 119 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 3.7 in | Wettest |
| February | 50°F (10°C) | 3.5 in | |
| March | 54°F (12°C) | 2.6 in | |
| April | 59°F (15°C) | 1.2 in | |
| May | 66°F (19°C) | 0.6 in | |
| June | 73°F (23°C) | 0.2 in | |
| July | 76°F (25°C) | 0.0 in | Warmest, Driest |
| August | 75°F (24°C) | 0.1 in | |
| September | 72°F (22°C) | 0.1 in | |
| October | 64°F (18°C) | 0.8 in | |
| November | 53°F (11°C) | 1.8 in | |
| December | 46°F (8°C) | 3.3 in | Coldest |
Rio Linda has a seasonal temperature swing of 30°F / from 46°F in December to 76°F in July. Total annual precipitation is 18.0 inches, with January being the wettest month (3.7") and July the driest (0.0").