Kuliouou - Kalani Iki in Summer
In summer (June, July and August), Kuliouou - Kalani Iki sees average daytime highs around 78°F and overnight lows near 76°F, with 0.9 in of rain over about 4 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across summer, daytime highs hold fairly steady around 78°F. The sky is clear or mostly clear about 77% of the time across summer, and the air most often feels muggy.
Summer is Kuliouou - Kalani Iki's best season of the year to visit on our travel score. Kuliouou - Kalani Iki has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Kuliouou - Kalani Iki's year-round climate.
- Avg daytime high
- 78°F
- 2nd-warmest season
- Avg overnight low
- 76°F
- Rainfall
- 0.9 in
- 4 wet days
- Avg wind
- 18 mph
- Travel score
- 8.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Kuliouou - Kalani Iki in Summer
Across summer, daytime highs hold fairly steady around 78°F.
A typical summer day in Kuliouou - Kalani Iki reaches about 78°F and drops to 76°F overnight. The warmest of the three months is August, the coolest June.
Kuliouou - Kalani Iki weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 74° / 72° | 1.4 | 4.9 | 10.8 | 8.2 |
| Feb | 74° / 71° | 1.1 | 4.4 | 11.3 | 8.1 |
| Mar | 74° / 71° | 1.5 | 4.4 | 11.8 | 8.2 |
| Apr | 75° / 72° | 0.4 | 2.4 | 12.5 | 8.6 |
| May | 76° / 74° | 0.5 | 2.2 | 13 | 8.7 |
| Jun | 77° / 75° | 0.3 | 1.1 | 13.3 | 8.8 |
| Jul | 78° / 76° | 0.2 | 1 | 13.2 | 8.7 |
| Aug | 79° / 77° | 0.4 | 1.8 | 12.7 | 8.5 |
| Sep | 79° / 77° | 0.4 | 2.2 | 12.1 | 8.4 |
| Oct | 79° / 76° | 0.8 | 2.9 | 11.5 | 8.1 |
| Nov | 77° / 75° | 1.6 | 4.9 | 11 | 8.0 |
| Dec | 75° / 73° | 1.9 | 5.2 | 10.7 | 8.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 77% of the time across summer.
Chance of precipitation in Summer
Kuliouou - Kalani Iki gets around 0.9 in of rain over 4 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 18 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 12 min in early June to 12 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.1 kWh/m².
Hazard calendar for Kuliouou - Kalani Iki
In summer, Kuliouou - Kalani Iki overlaps its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Kuliouou - Kalani Iki sits in the eastern Pacific hurricane zone; the season peaks August–September.
Is summer a good time to visit Kuliouou - Kalani Iki?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Kuliouou - Kalani Iki for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Kuliouou - Kalani Iki in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kuliouou - Kalani Iki sees daytime highs around 78°F and nights near 76°F. Pack sun protection and a windbreaker. Worth having: light clothes.
Sea temperature near Kuliouou - Kalani Iki in Summer
The nearest coast averages about 79°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 9 mi away) is warmest in September at about 80°F and coldest in February near 75°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 76 | 75 | 75 | 76 | 77 | 78 | 79 | 80 | 80 | 80 | 79 | 77 |
| Comfort | Warm | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 76 | Warm |
| Feb | 75 | Refreshing |
| Mar | 75 | Refreshing |
| Apr | 76 | Warm |
| May | 77 | Warm |
| Jun | 78 | Warm |
| Jul | 79 | Warm |
| Aug | 80 | Warm |
| Sep | 80 | Warm |
| Oct | 80 | Warm |
| Nov | 79 | Warm |
| Dec | 77 | Warm |
UV index in Kuliouou - Kalani Iki in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kuliouou - Kalani Iki peaks around July 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 10 | 11 | 10 | 11 | 12 | 12 | 12 | 9 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Where is Kuliouou - Kalani Iki?
Kuliouou - Kalani Iki sits at 21.3°N, 157.7°W, 991 ft above sea level, in United States. The nearest listed city is Niu Valley, 1.2 mi away.
Topography around Kuliouou - Kalani Iki
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Kuliouou - Kalani Iki.
Within 2 miles, the terrain around Kuliouou - Kalani Iki has large variations in elevation — a maximum elevation change of 2,493 ft around an average of 666 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,117 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,983 ft.
The land around Kuliouou - Kalani Iki is covered by trees (55%) within 2 miles, water (63%) and trees (20%) within 10 miles, and water (86%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kuliouou - Kalani Iki (21.2971°, -157.745°, elevation 991 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.