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Tennant, CA
Full City Profile · California · Siskiyou County County
1.2
/5.0
F
Poor
69
Population
203/sq mi density
$94,300
Home Value
$117,990 Zillow
49°F
Avg Temperature
316 sunny days/yr
556
Violent Crime/100K
1,446 property/100K
F
Overall
1.2 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
556 violent crimes/100K (46% above avg)
F
Education
1.3 / 5.0
4.3% bachelor's degree or higher
Tennant experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 33°F in January while summers reach 69°F in July. The area gets 316 sunny days per year. Annual precipitation totals 14.2 inches. The area receives 43.2 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
33°F Jan (0°C)
69°F Jul (21°C)
| Annual Average | 48.7°F |
| 10% below US avg | |
| January Average | 33°F (0°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 4,812 ft (1,467 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 203/sq mi |
| Coordinates | 41.5789°N, 121.9175°W |
| Timezone | America/Los_Angeles |
| County | Siskiyou County County |
| Nearest Airport | Crater Lake/Klamath Regional (LMT) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
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)
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Shasta (30 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 30 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 30 km |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 126 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 151 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 3.2 in | |
| February | 32°F (-0°C) | 2.8 in | |
| March | 35°F (2°C) | 2.8 in | |
| April | 40°F (4°C) | 1.7 in | |
| May | 47°F (8°C) | 1.6 in | |
| June | 54°F (12°C) | 1.2 in | |
| July | 69°F (21°C) | 0.4 in | Warmest, Driest |
| August | 62°F (17°C) | 0.7 in | |
| September | 56°F (13°C) | 0.9 in | |
| October | 47°F (8°C) | 2.0 in | |
| November | 36°F (2°C) | 3.5 in | |
| December | 30°F (-1°C) | 3.5 in | Coldest, Wettest |
Tennant has a seasonal temperature swing of 39°F / from 30°F in December to 69°F in July. Total annual precipitation is 24.3 inches, with December being the wettest month (3.5") and July the driest (0.4").