Lahaina weather in May

In May, Lahaina sees average daytime highs of 77°F and overnight lows near 73°F, with 0.2 in of rain across 1.4 wet days and about 13 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 77°F through the month. The sky is clear or mostly clear about 64% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is Lahaina's 8th-clearest and 9th-windiest month. For the whole year in context, see Lahaina's year-round climate.

Daytime high
77°
7th warmest
Overnight low
73°
6th coldest
Rainfall
0.2 in
1.4 wet days
Daylight
13 hours
5:53 AM – 6:53 PM
Cloud cover
36%
8th clearest
Wind
13 mph
9th windiest
Solar energy
7.06 kWh/m²
Travel score
8.7
out of 10

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

Density
486/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 77°F through the month.

A typical May day in Lahaina reaches about 77°F in the afternoon and slips back to 73°F overnight — a 4°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 78°F. Set against its neighbours, May runs about 1°F warmer than April and about 2°F cooler than June.

65°70°75°80°85°151015202531
Avg high (°F)Avg low (°F)
17672
27672
37672
47672
57672
67672
77673
87673
97673
107673
117673
127673
137673
147673
157673
167673
177773
187773
197773
207773
217773
227773
237773
247773
257774
267774
277774
287874
297874
307874
317874

Lahaina weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan74° / 71°1.75.410.98.2
Feb74° / 71°1.14.211.38.2
Mar74° / 71°1.54.311.98.2
Apr75° / 72°0.6212.58.6
May77° / 73°0.21.4138.7
Jun78° / 74°0.10.313.28.7
Jul79° / 75°0.10.413.18.6
Aug80° / 76°0.20.812.78.5
Sep80° / 76°0.10.712.18.6
Oct79° / 76°0.51.811.58.3
Nov77° / 74°1.02.9118.3
Dec76° / 73°1.84.510.88.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37426
47426
57426
67426
77426
87525
97525
107525
117624
127723
137723
147822
157921
168020
178020
188119
198119
208218
218317
228317
238317
248416
258515
268515
278515
288515
298515
308515
318515

Chance of precipitation in May

Any precipitation

Lahaina gets around 0.2 in of rain over 1.4 wet days in May. 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 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
37
47
57
66
76
86
96
105
115
125
135
144
154
164
174
184
194
204
214
224
234
244
253
263
273
283
293
302
312

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1538552
2537562
3537562
4537562
5537562
6436573
7436573
8336583
9336583
10235594
11235594
12234604
13133624
14133624
15132634
16131644
17129664
18128674
19127684
20126694
21125704
22124714
23123724
24022753
25021763
26020773
27019783
28018793
29017803
30016813
31015823

Wind in May

Winds average 13 mph in May.

Across May, daily wind ranges from about 13 mph on the calmest days to 14 mph at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (mph)Feels
114breezy
214breezy
314breezy
413breezy
513breezy
613breezy
713breezy
813breezy
913breezy
1013breezy
1113breezy
1213breezy
1313breezy
1413breezy
1513breezy
1613breezy
1713breezy
1813breezy
1913breezy
2013breezy
2113breezy
2213breezy
2313breezy
2413breezy
2513breezy
2613breezy
2713breezy
2813breezy
2913breezy
3014breezy
3114breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:01 AM to 5:49 AM, and sunset from 6:47 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:016:47
212.86:016:47
312.86:006:47
412.85:596:48
512.85:596:48
612.85:586:49
712.95:586:49
812.95:576:49
912.95:576:50
1012.95:566:50
1112.95:566:51
1212.95:556:51
1312.95:556:51
1413.05:546:52
1513.05:546:52
1613.05:536:53
1713.05:536:53
1813.05:526:54
1913.05:526:54
2013.05:526:54
2113.15:516:55
2213.15:516:55
2313.15:516:56
2413.15:516:56
2513.15:506:57
2613.15:506:57
2713.15:506:57
2813.15:506:58
2913.15:496:58
3013.25:496:59
3113.25:496:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.06 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 7.13 kWh/m² in June across the year — May's 7.06 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in May

Hazard calendar for Lahaina

In seasonPeak

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

Lahaina 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 May a good time to visit Lahaina?

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

8.7
Sightseeing
1st-best month of the year
7.8
Beach & pool
6th-best month of the year

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

What to pack for Lahaina in May

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

In May, Lahaina sees daytime highs around 77°F and nights near 73°F. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near Lahaina in May

The nearest coast averages about 77°F in May — 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 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
Jul79Warm
Aug80Warm
Sep80Warm
Oct80Warm
Nov79Warm
Dec77Warm

UV index in Lahaina in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lahaina 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 21UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr12Extreme
May10Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec6High
Location & terrain

Where is Lahaina?

Lahaina sits at 20.9°N, 156.7°W, 0 ft above sea level, in United States. The nearest listed city is Wailuku, 11 mi away.

Topography around Lahaina

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

Within 2 miles, the terrain around Lahaina has significant variations in elevation — a maximum elevation change of 948 ft around an average of 118 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,751 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,977 ft.

The land around Lahaina is covered by water (54%) and grassland (32%) within 2 miles, water (62%) within 10 miles, and water (82%) within 50 miles.

2 miles
948 ft
10 miles
5,751 ft
50 miles
9,977 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
May weather nearby: Wailuku 11 mi · Kahului 14 mi · Kīhei 17 mi · Hawai‘i Kai 72 mi · East Honolulu 73 mi · Niu Valley 74 mi · Kuliouou - Kalani Iki 75 mi · Kailua 78 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 Lahaina (20.8753°, -156.6798°, elevation 0 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).