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Kapolei, HI
Full City Profile · Hawaii · Honolulu County County
3.2
/5.0
B
Good
23,033
Population
5,271/sq mi density
$129,260
Median Income
$46,261 per capita
$720,600
Home Value
$840,050 Zillow
$2,507
Median Rent
33.7% income on rent
77°F
Avg Temperature
330 sunny days/yr
232
Violent Crime/100K
1,045 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$129,260 median income, 4.3% unemployment
B+
Affordability
3.5 / 5.0
$720,600 home value, $2,507/mo rent
F
Safety
1.0 / 5.0
232 violent crimes/100K
B+
Education
3.5 / 5.0
31.8% bachelor's degree or higher
Kapolei has a warm climate with an average annual temperature of 77°F (25°C). Winters average 73°F in January while summers reach 80°F in July. The area gets 330 sunny days per year. Annual precipitation totals 13.9 inches. Air quality is rated Good with a median AQI of 24.
Temperature
73°F Jan (23°C)
80°F Jul (27°C)
| Annual Average | 77.0°F |
| 43% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 83 ft (25 m) |
| Area | 4.4 sq mi (11.3 km²) |
| Population Density | 5,271/sq mi |
| Coordinates | 21.3399°N, 158.0678°W |
| Timezone | Pacific/Honolulu |
| County | Honolulu County County |
| Nearest Airport | Daniel K Inouye International (HNL) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 24.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0275 ppm |
| NO₂ (Nitrogen Dioxide) | 6.1 ppb |
| SO₂ (Sulfur Dioxide) | 1.31 ppb |
| CO (Carbon Monoxide) | 0.11 ppm |
| PM2.5 (Fine Particles) | 4.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.8 / 100 |
| Social Vulnerability | 25.9 / 100 |
| Community Resilience | 62.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Very High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | No Rating |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Relatively High |
| Volcano | No Rating |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 8.1 in | Wettest |
| February | 70°F (21°C) | 4.4 in | Coldest |
| March | 71°F (22°C) | 5.6 in | |
| April | 72°F (22°C) | 4.8 in | |
| May | 74°F (23°C) | 3.3 in | |
| June | 76°F (24°C) | 1.9 in | Driest |
| July | 80°F (27°C) | 2.4 in | Warmest |
| August | 78°F (25°C) | 2.6 in | |
| September | 77°F (25°C) | 2.2 in | |
| October | 76°F (24°C) | 5.2 in | |
| November | 74°F (23°C) | 6.1 in | |
| December | 72°F (22°C) | 5.9 in |
Kapolei has a seasonal temperature swing of 10°F / from 70°F in February to 80°F in July. Total annual precipitation is 52.4 inches, with January being the wettest month (8.1") and June the driest (1.9").