‘Ewa Gentry weather in December

In December, ‘Ewa Gentry sees average daytime highs of 76°F and overnight lows near 73°F, with 1.9 in of rain across 4.6 wet days and about 10.7 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 76°F through the month. The sky is clear or mostly clear about 64% of the time in December, and the air most often feels muggy.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is ‘Ewa Gentry's 7th-clearest and 6th-windiest month. For the whole year in context, see ‘Ewa Gentry's year-round climate.

Daytime high
76°
8th warmest
Overnight low
73°
5th coldest
Rainfall
1.9 in
4.6 wet days
Daylight
10 h 42 min
7:07 AM – 5:50 PM
Cloud cover
37%
7th clearest
Wind
14 mph
6th windiest
Solar energy
4.31 kWh/m²
Travel score
8.3
out of 10

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

Density
4,019/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 76°F through the month.

A typical December day in ‘Ewa Gentry reaches about 76°F in the afternoon and slips back to 73°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 77°F. Set against its neighbours, December runs about 2°F cooler than November and on par with January.

65°70°75°80°85°151015202531
Avg high (°F)Avg low (°F)
17674
27674
37674
47673
57673
67673
77673
87673
97673
107673
117673
127673
137673
147673
157673
167673
177673
187573
197573
207573
217573
227573
237573
247572
257572
267572
277572
287572
297572
307572
317572

‘Ewa Gentry weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 1st-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37228
47228
57228
67426
77426
87525
97624
107624
117822
127822
137822
147822
157822
167921
178020
188020
198020
208020
218020
228020
238020
248020
258020
268020
278020
288218
298218
308218
318317

Chance of precipitation in December

Any precipitation

‘Ewa Gentry gets around 1.9 in of rain over 4.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
414
514
614
714
814
913
1013
1113
1213
1313
1413
1513
1614
1714
1814
1915
2015
2115
2215
2316
2416
2516
2616
2716
2816
2916
3015
3115

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
103236212
203246211
303246310
403246310
50324649
60424639
70425638
80425638
90525637
100525646
110525646
120625645
130625645
140625654
150626644
160626644
170527653
180527653
190528643
200528643
210529633
221529623
231530613
241530613
251531603
261632583
271732582
281733572
291833562
301934542
3111034532

Wind in December

Winds average 14 mph in December.

Across December, daily wind ranges from about 13 mph on the calmest days to 15 mph at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (mph)Feels
115breezy
215breezy
315breezy
415breezy
515breezy
615breezy
715breezy
815breezy
915breezy
1015breezy
1115breezy
1215breezy
1315breezy
1415breezy
1515breezy
1615breezy
1714breezy
1814breezy
1914breezy
2014breezy
2114breezy
2214breezy
2314breezy
2414breezy
2513breezy
2613breezy
2713breezy
2813breezy
2913breezy
3013breezy
3113breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 48 min at the start of December to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:58 AM to 7:14 AM, and sunset from 5:46 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:585:46
210.86:595:46
310.86:595:46
410.87:005:46
510.87:015:46
610.87:015:47
710.77:025:47
810.77:025:47
910.77:035:47
1010.77:045:47
1110.77:045:48
1210.77:055:48
1310.77:055:48
1410.77:065:49
1510.77:075:49
1610.77:075:50
1710.77:085:50
1810.77:085:50
1910.77:095:51
2010.77:095:51
2110.77:105:52
2210.77:105:52
2310.77:115:53
2410.77:115:53
2510.77:115:54
2610.77:125:54
2710.77:125:55
2810.77:135:55
2910.77:135:56
3010.77:135:56
3110.77:145:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.31 kWh/m² — the year's lowest.

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 — December's 4.31 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in December

Hazard calendar for ‘Ewa Gentry

In seasonPeak

None of ‘Ewa Gentry's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

‘Ewa Gentry 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 December a good time to visit ‘Ewa Gentry?

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

8.3
Sightseeing
6th-best month of the year
7.1
Beach & pool
9th-best month of the year

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

What to pack for ‘Ewa Gentry in December

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

In December, ‘Ewa Gentry sees daytime highs around 76°F and nights near 73°F. Worth packing: light clothes and a windbreaker. About 5 days see rain.

light clothesa windbreaker

Sea temperature near ‘Ewa Gentry in December

The nearest coast averages about 77°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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 Gentry in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in ‘Ewa Gentry 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 Gentry?

‘Ewa Gentry sits at 21.3°N, 158.0°W, 39 ft above sea level, in United States. The nearest listed city is ʻEwa Gentry-West Loch, 0.6 mi away.

Topography around ‘Ewa Gentry

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

Within 2 miles, the terrain around ‘Ewa Gentry has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 36 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 Gentry is covered by grassland (43%) and artificial surfaces (31%) within 2 miles, water (45%) and trees (20%) within 10 miles, and water (87%) within 50 miles.

2 miles
144 ft
10 miles
3,025 ft
50 miles
3,983 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: ʻEwa Gentry-West Loch 0.6 mi · Kapolei 1.9 mi · ‘Ewa Beach 2.5 mi · Kapolei Villages 2.5 mi · ʻEwa Beach-Iroquois Point 3.1 mi · Makakilo-Makaīwa Hills-Kunia 3.1 mi · Waipahu 3.7 mi · Makakilo City 3.7 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 Gentry (21.34°, -158.0304°, elevation 39 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).