Kīhei weather in December

In December, Kīhei sees average daytime highs of 78°F and overnight lows near 68°F, with 1.8 in of rain across 4.3 wet days and about 10.8 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 78°F through the month. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels humid.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Kīhei's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Kīhei's year-round climate.

Daytime high
78°
9th warmest
Overnight low
68°
4th coldest
Rainfall
1.8 in
4.3 wet days
Daylight
10 h 42 min
7:00 AM – 5:44 PM
Cloud cover
43%
3rd clearest
Wind
6 mph
3rd windiest
Solar energy
4.12 kWh/m²
Travel score
8.0
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 78°F through the month.

A typical December day in Kīhei reaches about 78°F in the afternoon and slips back to 68°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 80°F. Set against its neighbours, December runs about 2°F cooler than November and on par with January.

60°70°80°151015202531
Avg high (°F)Avg low (°F)
17969
27869
37869
47869
57869
67869
77869
87869
97869
107869
117869
127869
137869
147869
157869
167868
177868
187868
197868
207868
217868
227868
237768
247768
257768
267768
277768
287768
297768
307767
317767

Kīhei weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26832
36931
46931
57030
67129
77129
87327
97327
107327
117525
127525
137525
147525
157525
167525
177525
187525
197624
207624
217624
227525
237525
247525
257525
267426
277426
287624
297624
307624
317624

Chance of precipitation in December

Any precipitation

Kīhei gets around 1.8 in of rain over 4.3 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 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
613
713
813
912
1012
1112
1212
1312
1412
1512
1612
1712
1812
1913
2013
2113
2214
2314
2415
2516
2616
2717
2817
2917
3018
3118

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111052361
211053351
311153341
411154331
511156320
611157310
711257300
811258290
911259280
1011359270
1111360260
1211361250
1311362240
1411362240
1511363230
1611363230
1711363230
1811364220
1911364220
2011364220
2111365210
2211365210
2311365210
2411464210
2511464210
2611563210
2711662210
2811761210
2911861200
3021959200
3122158190

Wind in December

Winds average 6 mph in December.

Across December, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:51 AM to 7:06 AM, and sunset from 5:40 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:515:40
210.86:515:41
310.86:525:41
410.86:535:41
510.86:535:41
610.86:545:41
710.86:545:42
810.86:555:42
910.86:565:42
1010.86:565:42
1110.86:575:43
1210.86:575:43
1310.86:585:43
1410.86:585:44
1510.76:595:44
1610.77:005:44
1710.77:005:45
1810.77:015:45
1910.77:015:46
2010.77:025:46
2110.77:025:46
2210.77:035:47
2310.77:035:47
2410.77:045:48
2510.77:045:48
2610.77:045:49
2710.77:055:49
2810.77:055:50
2910.77:065:50
3010.87:065:51
3110.87:065:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.12 kWh/m² — the year's lowest.

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 — December's 4.12 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Hazard calendar for Kīhei

In seasonPeak

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

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 December a good time to visit Kīhei?

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

8.0
Sightseeing
1st-best month of the year
7.4
Beach & pool
9th-best month of the year

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

What to pack for Kīhei in December

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

In December, Kīhei sees daytime highs around 78°F and nights near 68°F. Worth packing: light clothes. About 4 days see rain.

light clothes

Sea temperature near Kīhei 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 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 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 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
December 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).