Black Sands, HI
Full City Profile · Hawaii · Hawaii County County
2.2
/5.0
C
Fair
237
Population
439/sq mi density
$107,500
Home Value
$286,530 Zillow
71°F
Avg Temperature
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Education
2.2 / 5.0
15.2% bachelor's degree or higher
Black Sands has a warm climate with an average annual temperature of 71°F (22°C). Winters average 68°F in January while summers reach 73°F in July. Annual precipitation totals 81.5 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 21.
Temperature
68°F Jan (20°C)
73°F Jul (23°C)
| Annual Average | 70.6°F |
| 31% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 885 ft (270 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 439/sq mi |
| Coordinates | 19.4136°N, 154.9588°W |
| Timezone | Pacific/Honolulu |
| County | Hawaii County County |
| Nearest Airport | Hilo International (ITO) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
| Good Days % | 97.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| SO₂ (Sulfur Dioxide) | 1.86 ppb |
| PM2.5 (Fine Particles) | 2.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.5 / 100 |
| Social Vulnerability | 56.8 / 100 |
| Community Resilience | 56.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | Very Low |
| Lightning | Very High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Low |
| Tsunami | Relatively Moderate |
| Volcano | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 14.3 m (47 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1975 | HAWAII | Eruption + Earthquake | 14.3 m | 2 | 9 km |
| 1868 | HAWAII | Earthquake | 13.7 m | 77 | 73 km |
| 1869 | OFF COAST OF HAWAII | Unknown | 8.2 m | - | 65 km |
| 1919 | ALIKA, HAWAII | Explosion | 4.3 m | - | 101 km |
| 1951 | HAWAII | Earthquake | 3.6 m | - | 110 km |
| 1952 | HAWAII | Earthquake | 3.0 m | - | 35 km |
| 1908 | HAWAII | Earthquake | 1.2 m | - | 46 km |
| 2018 | HAWAII | Eruption | 0.4 m | - | 12 km |
| 1989 | HAWAII | Eruption + Earthquake | 0.3 m | - | 14 km |
| 2006 | HAWAII | Earthquake | 0.1 m | - | 115 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Kilauea (34 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kilauea | Shield | 1,222 m (4,009 ft) | 2018 | 34 km |
| Mauna Loa | Shield | 4,170 m (13,681 ft) | 1984 | 68 km |
| Mauna Kea | Shield | 4,205 m (13,796 ft) | -2460 | 70 km |
| Hualalai | Shield | 2,523 m (8,278 ft) | 1801 | 100 km |
| Haleakala | Shield | 3,055 m (10,023 ft) | 1750 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 6.0 in | Coldest |
| February | 68°F (20°C) | 7.8 in | |
| March | 69°F (20°C) | 7.3 in | |
| April | 69°F (21°C) | 5.7 in | |
| May | 71°F (21°C) | 4.8 in | Driest |
| June | 72°F (22°C) | 4.9 in | |
| July | 73°F (23°C) | 5.9 in | |
| August | 74°F (23°C) | 6.1 in | Warmest |
| September | 73°F (23°C) | 7.0 in | |
| October | 72°F (22°C) | 7.7 in | |
| November | 71°F (21°C) | 9.4 in | Wettest |
| December | 69°F (21°C) | 8.8 in |
Black Sands has a seasonal temperature swing of 6°F / from 68°F in January to 74°F in August. Total annual precipitation is 81.5 inches, with November being the wettest month (9.4") and May the driest (4.8").