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Wailuku, HI
Full City Profile · Hawaii · Maui County County
2.9
/5.0
C+
Fair
15,754
Population
2,989/sq mi density
$93,958
Median Income
$48,946 per capita
$781,700
Home Value
$910,607 Zillow
$1,747
Median Rent
32.7% income on rent
74°F
Avg Temperature
330 sunny days/yr
232
Violent Crime/100K
1,045 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$93,958 median income, 2.0% unemployment
D
Affordability
2.0 / 5.0
$781,700 home value, $1,747/mo rent
F
Safety
1.0 / 5.0
232 violent crimes/100K
B+
Education
3.9 / 5.0
35.8% bachelor's degree or higher
Wailuku has a warm climate with an average annual temperature of 74°F (23°C). Winters average 70°F in January while summers reach 77°F in July. The area gets 330 sunny days per year. Annual precipitation totals 23.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 24.
Temperature
70°F Jan (21°C)
77°F Jul (25°C)
| Annual Average | 74.1°F |
| 37% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 306 ft (93 m) |
| Area | 5.7 sq mi (14.7 km²) |
| Population Density | 2,989/sq mi |
| Coordinates | 20.8855°N, 156.5036°W |
| Timezone | Pacific/Honolulu |
| County | Maui County County |
| Nearest Airport | Ellison Onizuka Kona International At Keahole (KOA) 88 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 24.0 |
| Rating | Good |
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 | — | 127 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 | 148 km |
| Mauna Kea | Shield | 4,205 m (13,796 ft) | -2460 | 160 km |
| Mauna Loa | Shield | 4,170 m (13,681 ft) | 1984 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 70°F (21°C) | 10.1 in | Wettest |
| February | 66°F (19°C) | 7.9 in | Coldest |
| March | 67°F (20°C) | 9.0 in | |
| April | 68°F (20°C) | 9.6 in | |
| May | 69°F (21°C) | 5.8 in | |
| June | 71°F (22°C) | 3.6 in | Driest |
| July | 77°F (25°C) | 4.7 in | Warmest |
| August | 73°F (23°C) | 5.7 in | |
| September | 73°F (23°C) | 4.1 in | |
| October | 72°F (22°C) | 6.4 in | |
| November | 70°F (21°C) | 10.0 in | |
| December | 68°F (20°C) | 9.1 in |
Wailuku has a seasonal temperature swing of 11°F / from 66°F in February to 77°F in July. Total annual precipitation is 85.8 inches, with January being the wettest month (10.1") and June the driest (3.6").