Kahului weather in July

In July, Kahului sees average daytime highs of 83°F and overnight lows near 74°F, with 0.4 in of rain across 2.7 wet days and about 13.1 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 47% of the time in July, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Kahului's 7th-clearest and 1st-windiest month. For the whole year in context, see Kahului's year-round climate.

Daytime high
83°
3rd warmest
Overnight low
74°
10th coldest
Rainfall
0.4 in
2.7 wet days
Daylight
13 h 12 min
5:57 AM – 7:06 PM
Cloud cover
45%
7th clearest
Wind
11 mph
1st windiest
Solar energy
6.68 kWh/m²
Travel score
7.0
out of 10

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

Density
632/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 83°F through the month.

A typical July day in Kahului reaches about 83°F in the afternoon and slips back to 74°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 85°F. Set against its neighbours, July runs on par with June and on par with August.

65°70°75°80°85°151015202531
Avg high (°F)Avg low (°F)
18374
28374
38374
48374
58374
68374
78374
88374
98374
108374
118374
128374
138374
148374
158374
168374
178374
188374
198374
208374
218374
228374
238374
248374
258374
268375
278375
288375
298375
308375
318375

Kahului weather by month

How July compares with the rest of the year at a glance. July is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan77° / 69°1.45.610.97.9
Feb77° / 68°1.25.211.37.8
Mar77° / 69°1.86.711.97.5
Apr79° / 70°0.83.912.57.6
May81° / 72°0.53.3137.7
Jun82° / 73°0.21.913.27.6
Jul83° / 74°0.42.713.17.0
Aug84° / 75°0.52.712.76.8
Sep84° / 75°0.42.212.16.8
Oct83° / 74°0.73.211.57.0
Nov80° / 72°1.05117.4
Dec78° / 70°1.65.210.87.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 29% of July, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57723
67624
77624
87624
97624
107624
117624
127624
137624
147624
157624
167624
177624
187624
197624
207723
217723
227723
237723
247822
257822
267822
277921
287921
298020
307921
317921

Chance of precipitation in July

Any precipitation

Kahului gets around 0.4 in of rain over 2.7 wet days in July. 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 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
36
46
56
66
76
86
97
107
117
127
138
148
159
169
179
1810
1910
2010
2111
2211
2311
2411
2511
2611
2711
2810
2910
3010
3110

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
121763
221763
320773
419774
518784
617785
717785
816786
915787
1015787
1114788
1213798
1313789
14127810
15127810
16117811
17117712
18107812
19107713
20107614
2197714
2297714
2397615
2497615
2597615
2697516
2787616
2887616
2987616
3087517
3187517

Wind in July

Winds average 11 mph in July, the windiest month of the year.

Across July, daily wind ranges from about 11 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 18 min at the start of July to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:52 AM to 6:03 AM, and sunset from 7:07 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:527:07
213.35:527:07
313.25:527:07
413.25:537:07
513.25:537:07
613.25:537:07
713.25:547:07
813.25:547:07
913.25:547:07
1013.25:557:07
1113.25:557:07
1213.25:557:07
1313.25:567:07
1413.25:567:07
1513.25:567:06
1613.25:577:06
1713.15:577:06
1813.15:587:06
1913.15:587:06
2013.15:587:05
2113.15:597:05
2213.15:597:05
2313.16:007:04
2413.16:007:04
2513.16:007:04
2613.06:017:03
2713.06:017:03
2813.06:027:03
2913.06:027:02
3013.06:027:02
3113.06:037:01

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.68 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.81 kWh/m² in June across the year — July's 6.68 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in July

Hazard calendar for Kahului

In seasonPeak

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

Kahului 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 July a good time to visit Kahului?

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

7.0
Sightseeing
9th-best month of the year
8.3
Beach & pool
4th-best month of the year

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

What to pack for Kahului in July

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

In July, Kahului sees daytime highs around 83°F and nights near 74°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Kahului in July

The nearest coast averages about 78°F in July — 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
Jul78Warm
Aug80Warm
Sep80Warm
Oct80Warm
Nov79Warm
Dec77Warm

UV index in Kahului in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Kahului 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 Kahului?

Kahului sits at 20.9°N, 156.5°W, 0 ft above sea level, in United States. The nearest listed city is Wailuku, 1.9 mi away.

Topography around Kahului

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

Within 2 miles, the terrain around Kahului has only modest variations in elevation — a maximum elevation change of 328 ft around an average of 66 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 Kahului is covered by artificial surfaces (42%), water (27%) and grassland (22%) within 2 miles, grassland (41%) and water (34%) within 10 miles, and water (82%) within 50 miles.

2 miles
328 ft
10 miles
5,751 ft
50 miles
9,977 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
July weather nearby: Wailuku 1.9 mi · Kīhei 8.7 mi · Lahaina 14 mi · Hawai‘i Kai 84 mi · East Honolulu 85 mi · Niu Valley 86 mi · Kuliouou - Kalani Iki 87 mi · Kailua 89 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 Kahului (20.8893°, -156.4729°, 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).