Grenada, CA
Full City Profile · California · Siskiyou County County
3.7
/5.0
B+
Good
231
Population
444/sq mi density
$58,571
Median Income
$27,045 per capita
$937
Median Rent
51.0% income on rent
53°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.0 / 5.0
$58,571 median income, 25.4% unemployment
A+
Affordability
5.0 / 5.0
B
Education
3.0 / 5.0
25.5% bachelor's degree or higher
Grenada experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 37°F in January while summers reach 74°F in July. Annual precipitation totals 12.0 inches. The area receives 11.6 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
37°F Jan (3°C)
74°F Jul (23°C)
| Annual Average | 52.8°F |
| 2% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 2,578 ft (786 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 444/sq mi |
| Coordinates | 41.6401°N, 122.5266°W |
| Timezone | America/Los_Angeles |
| County | Siskiyou County County |
| Nearest Airport | Rogue Valley International - Medford (MFR) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 80.3% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0394 ppm |
| PM2.5 (Fine Particles) | 11.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.0 / 100 |
| Social Vulnerability | 79.4 / 100 |
| Community Resilience | 44.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Relatively High |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.1 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1873 | N. CALIFORNIA | Eruption + Earthquake | 3.1 m | - | 129 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Shasta (38 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 38 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 81 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 147 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 154 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 1.4 in | |
| February | 40°F (4°C) | 1.4 in | |
| March | 44°F (7°C) | 1.3 in | |
| April | 49°F (9°C) | 1.1 in | |
| May | 57°F (14°C) | 1.1 in | |
| June | 65°F (18°C) | 0.6 in | |
| July | 74°F (23°C) | 0.2 in | Warmest, Driest |
| August | 72°F (22°C) | 0.3 in | |
| September | 65°F (18°C) | 0.3 in | |
| October | 53°F (12°C) | 0.9 in | |
| November | 42°F (5°C) | 1.3 in | |
| December | 36°F (2°C) | 2.3 in | Coldest, Wettest |
Grenada has a seasonal temperature swing of 38°F / from 36°F in December to 74°F in July. Total annual precipitation is 12.0 inches, with December being the wettest month (2.3") and July the driest (0.2").