Kīhei weather in August

In August, Kīhei sees average daytime highs of 84°F and overnight lows near 73°F, with 0.5 in of rain across 2.7 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 50% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Kīhei's 3rd-clearest and 7th-windiest month. For the whole year in context, see Kīhei's year-round climate.

Daytime high
84°
1st warmest
Overnight low
73°
12th coldest
Rainfall
0.5 in
2.7 wet days
Daylight
12 h 42 min
6:08 AM – 6:51 PM
Cloud cover
43%
3rd clearest
Wind
6 mph
7th windiest
Solar energy
6.4 kWh/m²
Travel score
6.7
out of 10

Kīhei is census designated place in Maui County, Hawaii, United States.

Density
691/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 84°F through the month.

A typical August day in Kīhei reaches about 84°F in the afternoon and slips back to 73°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 86°F. Set against its neighbours, August runs on par with July and on par with September.

65°70°75°80°85°151015202531
Avg high (°F)Avg low (°F)
18473
28473
38473
48473
58473
68473
78473
88473
98473
108473
118473
128473
138473
148473
158473
168473
178473
188473
198473
208473
218473
228473
238473
248473
258473
268473
278473
288473
298473
308473
318473

Kīhei weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan77° / 67°1.75.410.98.0
Feb76° / 67°1.3511.37.9
Mar77° / 67°1.85.711.97.7
Apr79° / 69°0.83.612.57.7
May80° / 70°0.63.9137.6
Jun82° / 72°0.31.813.27.5
Jul83° / 73°0.42.613.16.9
Aug84° / 73°0.52.712.76.7
Sep84° / 73°0.42.712.16.7
Oct83° / 72°0.83.711.57.0
Nov80° / 71°0.93.8117.6
Dec78° / 68°1.84.310.88.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 30% of August, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
28020
38020
48020
58020
68020
78020
88020
98020
108020
118020
128020
138020
148020
158020
168119
178020
188020
198020
208020
218020
228020
237921
247921
257822
267822
277822
287822
297822
307822
317822

Chance of precipitation in August

Any precipitation

Kīhei gets around 0.5 in of rain over 2.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
48
58
68
78
88
98
108
119
129
139
149
159
169
179
189
199
209
219
229
239
249
259
2610
2710
2810
2910
3010
319

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
123707
223698
323698
423698
523698
623698
723689
823689
923689
1023689
1122699
1222699
13216910
14216910
15216910
16207010
17207010
18207010
19207010
20197110
21197110
22197110
23197110
24197110
25206911
26206911
27206911
28216811
29216811
30226711
31226711

Wind in August

Winds average 6 mph in August.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 hours at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over August. Sunrise moves from 6:03 AM to 6:13 AM, and sunset from 7:01 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:037:01
212.96:047:00
312.96:047:00
412.96:046:59
512.96:056:58
612.96:056:58
712.96:056:57
812.96:066:57
912.86:066:56
1012.86:066:55
1112.86:076:55
1212.86:076:54
1312.86:076:53
1412.86:086:53
1512.76:086:52
1612.76:086:51
1712.76:096:51
1812.76:096:50
1912.76:096:49
2012.66:106:48
2112.66:106:48
2212.66:106:47
2312.66:116:46
2412.66:116:45
2512.66:116:44
2612.56:116:43
2712.56:126:42
2812.56:126:42
2912.56:126:41
3012.56:126:40
3112.46:136:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.4 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.68 kWh/m² in June across the year — August's 6.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in August

Hazard calendar for Kīhei

In seasonPeak

In August, Kīhei sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.

Kīhei sits in the eastern Pacific hurricane zone; the season peaks August–September.

Pacific hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Kīhei?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
11th-best month of the year
8.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Kīhei for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kīhei in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Kīhei sees daytime highs around 84°F and nights near 73°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Kīhei in August

The nearest coast averages about 80°F in August — 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.

74°76°78°80°82°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan76Warm
Feb75Warm
Mar75Warm
Apr76Warm
May77Warm
Jun78Warm
Jul78Warm
Aug80Warm
Sep80Warm
Oct80Warm
Nov79Warm
Dec77Warm

UV index in Kīhei in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 Kīhei peaks around July 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 22UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar11Extreme
Apr13Extreme
May10Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec6High
Location & terrain

Where is Kīhei?

Kīhei sits at 20.8°N, 156.4°W, 10 ft above sea level, in United States. The nearest listed city is Kahului, 8.7 mi away.

Topography around Kīhei

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Kīhei.

Within 2 miles, the terrain around Kīhei has only modest variations in elevation — a maximum elevation change of 528 ft around an average of 151 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 7,051 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,977 ft.

The land around Kīhei is covered by grassland (52%) and water (22%) within 2 miles, grassland (53%) and water (30%) within 10 miles, and water (83%) within 50 miles.

2 miles
528 ft
10 miles
7,051 ft
50 miles
9,977 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
August weather nearby: Kahului 8.7 mi · Wailuku 9.3 mi · Lahaina 17 mi · Hawai‘i Kai 89 mi · East Honolulu 89 mi · Niu Valley 91 mi · Kuliouou - Kalani Iki 91 mi · Kaimukī 94 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Kīhei (20.7646°, -156.4458°, elevation 10 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).