Waikapu, HI
Full City Profile · Hawaii · Maui County County
4.0
/5.0
A
Great
3,645
Population
331/sq mi density
$121,618
Median Income
$45,553 per capita
$837,700
Home Value
$910,607 Zillow
$2,696
Median Rent
32.3% income on rent
77°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$121,618 median income, 2.3% unemployment
C+
Affordability
2.8 / 5.0
$837,700 home value, $2,696/mo rent
A
Education
4.2 / 5.0
39.5% bachelor's degree or higher
Waikapu has a warm climate with an average annual temperature of 77°F (25°C). Winters average 73°F in January while summers reach 81°F in July. Annual precipitation totals 27.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 21.
Temperature
73°F Jan (23°C)
81°F Jul (27°C)
| Annual Average | 77.1°F |
| 43% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 81°F (27°C) |
Geography
| Elevation | 1,608 ft (490 m) |
| Area | 11.0 sq mi (28.5 km²) |
| Population Density | 331/sq mi |
| Coordinates | 20.8367°N, 156.5306°W |
| Timezone | Pacific/Honolulu |
| County | Maui County County |
| Nearest Airport | Ellison Onizuka Kona International At Keahole (KOA) 86 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
| Good Days % | 99.7% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 4.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.1 / 100 |
| Social Vulnerability | 41.3 / 100 |
| Community Resilience | 86.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | Very Low |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | No Rating |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
| Tsunami | Relatively High |
| Volcano | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.1 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2006 | HAWAII | Earthquake | 0.1 m | - | 123 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Haleakala (33 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Haleakala | Shield | 3,055 m (10,023 ft) | 1750 | 33 km |
| Hualalai | Shield | 2,523 m (8,278 ft) | 1801 | 145 km |
| Mauna Kea | Shield | 4,205 m (13,796 ft) | -2460 | 158 km |
| Mauna Loa | Shield | 4,170 m (13,681 ft) | 1984 | 179 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 3.9 in | Coldest |
| February | 73°F (23°C) | 2.9 in | |
| March | 74°F (23°C) | 5.3 in | Wettest |
| April | 76°F (24°C) | 2.1 in | |
| May | 77°F (25°C) | 1.7 in | |
| June | 79°F (26°C) | 0.4 in | Driest |
| July | 81°F (27°C) | 0.8 in | |
| August | 81°F (27°C) | 1.1 in | Warmest |
| September | 81°F (27°C) | 1.3 in | |
| October | 79°F (26°C) | 1.3 in | |
| November | 77°F (25°C) | 2.5 in | |
| December | 75°F (24°C) | 4.1 in |
Waikapu has a seasonal temperature swing of 8°F / from 73°F in January to 81°F in August. Total annual precipitation is 27.3 inches, with March being the wettest month (5.3") and June the driest (0.4").