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Wainiha, HI
Full City Profile · Hawaii · Kauai County County
3.2
/5.0
B
Good
319
Population
129/sq mi density
$103,906
Median Income
$32,042 per capita
$918,000
Home Value
$3,391,175 Zillow
61°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
5.0 / 5.0
$103,906 median income, 2.2% unemployment
D
Affordability
1.7 / 5.0
$918,000 home value, /mo rent
F
Safety
1.0 / 5.0
232 violent crimes/100K
A+
Education
5.0 / 5.0
54.5% bachelor's degree or higher
Wainiha enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 56°F in January while summers reach 64°F in July. The area gets 330 sunny days per year. Annual precipitation totals 57.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 24.
Temperature
56°F Jan (13°C)
64°F Jul (18°C)
| Annual Average | 60.6°F |
| 12% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 623 ft (190 m) |
| Area | 2.4 sq mi (6.2 km²) |
| Population Density | 129/sq mi |
| Coordinates | 22.1921°N, 159.5467°W |
| Timezone | Pacific/Honolulu |
| County | Kauai County County |
| Nearest Airport | Daniel K Inouye International (HNL) 121 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 24.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.5 / 100 |
| Social Vulnerability | 22.6 / 100 |
| Community Resilience | 85.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | No Rating |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Lightning | Relatively High |
| Drought | Very Low |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively Low |
| Tsunami | Relatively Moderate |
| Volcano | No Rating |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 8.2 in | Coldest |
| February | 66°F (19°C) | 6.3 in | |
| March | 67°F (19°C) | 8.3 in | |
| April | 68°F (20°C) | 8.5 in | Wettest |
| May | 69°F (21°C) | 5.0 in | |
| June | 71°F (22°C) | 2.7 in | |
| July | 64°F (18°C) | 4.1 in | |
| August | 73°F (23°C) | 3.0 in | Warmest |
| September | 73°F (23°C) | 2.4 in | Driest |
| October | 72°F (22°C) | 4.5 in | |
| November | 70°F (21°C) | 8.1 in | |
| December | 68°F (20°C) | 8.2 in |
Wainiha has a seasonal temperature swing of 17°F / from 56°F in January to 73°F in August. Total annual precipitation is 69.1 inches, with April being the wettest month (8.5") and September the driest (2.4").