‘Ewa Beach weather in August

In August, ‘Ewa Beach sees average daytime highs of 80°F and overnight lows near 76°F, with 0.4 in of rain across 1.7 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 76% 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 ‘Ewa Beach's 2nd-clearest and 3rd-windiest month. For the whole year in context, see ‘Ewa Beach's year-round climate.

Daytime high
80°
1st warmest
Overnight low
76°
11th coldest
Rainfall
0.4 in
1.7 wet days
Daylight
12 h 42 min
6:14 AM – 6:58 PM
Cloud cover
31%
2nd clearest
Wind
16 mph
3rd windiest
Solar energy
6.98 kWh/m²
Travel score
8.4
out of 10

‘Ewa Beach is census-designated place in Honolulu County, Hawaii, United States of America.

Density
3,846/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 80°F through the month.

A typical August day in ‘Ewa Beach reaches about 80°F in the afternoon and slips back to 76°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 81°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)
17976
27976
37976
47976
58076
68076
78076
88076
98076
108076
118076
128076
138076
148076
158076
168077
178077
188077
198077
208077
218077
228077
238077
248077
258077
268077
278077
288077
298077
308077
318077

‘Ewa Beach weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan74° / 71°1.44.410.88.3
Feb74° / 71°1.14.111.38.1
Mar74° / 71°1.54.311.88.2
Apr75° / 72°0.42.112.58.7
May76° / 73°0.52.4138.6
Jun78° / 75°0.3113.38.7
Jul79° / 76°0.20.913.28.6
Aug80° / 76°0.41.712.78.4
Sep80° / 77°0.42.312.18.3
Oct79° / 76°0.8311.58.0
Nov77° / 75°1.54.1118.1
Dec76° / 73°1.94.610.78.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28416
38416
48515
58515
68515
78515
88515
98515
108515
118515
128614
138614
148614
158614
168713
178713
188713
198614
208614
218614
228614
238614
248614
258614
268515
278515
288515
298515
308614
318614

Chance of precipitation in August

Any precipitation

‘Ewa Beach gets around 0.4 in of rain over 1.7 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 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175
185
195
205
215
225
235
245
255
266
276
286
296
306
316

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
152480
252480
352480
451490
551490
651490
751490
851490
951490
1050500
1150500
1250500
1350500
1450500
1550500
1650500
1750500
1850500
1951490
2051490
2151490
2250491
2351481
2451481
2551481
2651481
2751481
2852471
2952471
3053470
3152480

Wind in August

Winds average 16 mph in August.

Across August, daily wind ranges from about 15 mph on the calmest days to 17 mph at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (mph)Feels
117breezy
217breezy
317breezy
417breezy
517breezy
617breezy
716breezy
816breezy
916breezy
1016breezy
1116breezy
1216breezy
1316breezy
1416breezy
1516breezy
1616breezy
1716breezy
1816breezy
1916breezy
2016breezy
2116breezy
2216breezy
2316breezy
2416breezy
2516breezy
2615breezy
2715breezy
2815breezy
2915breezy
3015breezy
3115breezy

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 6:09 AM to 6:19 AM, and sunset from 7:08 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:097:08
213.06:097:07
313.06:097:07
412.96:107:06
512.96:107:05
612.96:107:05
712.96:117:04
812.96:117:04
912.96:127:03
1012.86:127:02
1112.86:127:02
1212.86:137:01
1312.86:137:00
1412.86:137:00
1512.86:146:59
1612.76:146:58
1712.76:146:57
1812.76:156:57
1912.76:156:56
2012.76:156:55
2112.66:166:54
2212.66:166:53
2312.66:166:53
2412.66:176:52
2512.66:176:51
2612.56:176:50
2712.56:176:49
2812.56:186:48
2912.56:186:47
3012.56:186:46
3112.46:196:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.98 kWh/m².

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 7.26 kWh/m² in June across the year — August's 6.98 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in August

Hazard calendar for ‘Ewa Beach

In seasonPeak

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

‘Ewa Beach 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 ‘Ewa Beach?

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

8.4
Sightseeing
5th-best month of the year
8.3
Beach & pool
1st-best month of the year

August is one of the better times to visit ‘Ewa Beach for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for ‘Ewa Beach in August

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

In August, ‘Ewa Beach sees daytime highs around 80°F and nights near 76°F. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near ‘Ewa Beach 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 81°F and coldest in February near 76°F.

The water stays above 68°F all year — warm enough for a swim any month.

74°76°78°80°82°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan76Warm
Feb76Warm
Mar76Warm
Apr76Warm
May77Warm
Jun78Warm
Jul79Warm
Aug80Warm
Sep81Warm
Oct80Warm
Nov79Warm
Dec77Warm

UV index in ‘Ewa Beach 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 ‘Ewa Beach peaks around July 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 21UV 12Dec 18UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr11Extreme
May10Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct9Very high
Nov7High
Dec6High
Location & terrain

Where is ‘Ewa Beach?

‘Ewa Beach sits at 21.3°N, 158.0°W, 10 ft above sea level, in United States. The nearest listed city is ʻEwa Beach-Iroquois Point, 1.2 mi away.

Topography around ‘Ewa Beach

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

Within 2 miles, the terrain around ‘Ewa Beach has only modest variations in elevation — a maximum elevation change of 49 ft around an average of 10 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,025 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,983 ft.

The land around ‘Ewa Beach is covered by water (39%), artificial surfaces (25%) and grassland (22%) within 2 miles, water (52%) within 10 miles, and water (87%) within 50 miles.

2 miles
49 ft
10 miles
3,025 ft
50 miles
3,983 ft
treesgrasslandartificial surfacesbare terrainwaterwetland
August weather nearby: ʻEwa Beach-Iroquois Point 1.2 mi · ‘Ewa Gentry 2.5 mi · ʻEwa Gentry-West Loch 3.1 mi · Kapolei 3.7 mi · Kapolei Villages 4.3 mi · Joint Base Pearl Harbor Hickam 4.3 mi · Waipahu 5.0 mi · Airport 5.6 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 ‘Ewa Beach (21.3156°, -158.0072°, 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).