Maui (Kahului) in May

In May, Maui (Kahului) averages 24°C (75°F) during the day and 18°C (65°F) at night, with frequent rain — about 25 days of the month see precipitation (88 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

May offers comfortable temperatures in Maui (Kahului), with some rain to plan around.

24°C
Avg high
18°C
Avg low
25
Rain days
88 mm
Rainfall

How May compares to the rest of the year in Maui (Kahului)

7th
warmest month of the 12
3rd
wettest month of the 12
7%
of yearly rainfall falls in May
13 h 7 min
daylight on the 15th

May is in the middle of the year for warmth in Maui (Kahului) (7th of 12) and one of the wettest months (3rd of 12). Daytime temperature matches the city's annual average. May runs 1°C warmer than April (23°C) and warms a further 1°C into June (25°C).

May sunrise & sunset in Maui (Kahului)

🌅
Sunrise (15th)
5:48 AM
🌇
Sunset (15th)
6:55 PM
Day length
13 h 7 min

Times shown for Maui (Kahului) local time (Pacific/Honolulu), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Maui (Kahului) — May

Golden-hour and blue-hour windows for the 15th of May, in Maui (Kahului)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:48 AM – 5:28 AM
🌄 Golden hour (AM)
5:28 AM – 6:28 AM
🌇 Golden hour (PM)
6:15 PM – 7:15 PM
🌆 Blue hour (PM)
7:15 PM – 7:55 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Maui (Kahului) in May

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Maui (Kahului)'s popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — May in Maui (Kahului)

Shoulder

Maui (Kahului) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — May in Maui (Kahului)

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Maui (Kahului) — May

25.9°C (79°F)
warm
comfortable for extended swimming

Across the year Maui (Kahului)'s sea swings from 24.7°C (February) to 27.3°C (September) — May sits at 25.9°C.

Maui (Kahului) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 23°C / 73°F 17°C / 62°F 84 mm 19
February 22°C / 72°F 16°C / 62°F 170 mm 23
March 23°C / 73°F 17°C / 62°F 111 mm 25
April 23°C / 73°F 17°C / 63°F 152 mm 25
May 24°C / 75°F 18°C / 65°F 88 mm 25
June 25°C / 78°F 19°C / 66°F 50 mm 22
July 27°C / 80°F 20°C / 68°F 59 mm 22
August 27°C / 80°F 20°C / 69°F 108 mm 23
September 27°C / 80°F 20°C / 68°F 73 mm 23
October 26°C / 78°F 20°C / 67°F 115 mm 25
November 24°C / 75°F 19°C / 65°F 97 mm 23
December 23°C / 73°F 17°C / 63°F 135 mm 22

Other cities with similar May weather

🌍 See the full ranked list of climate twins for Maui (Kahului) in May →

Frequently asked questions

How hot is Maui (Kahului) in May?

In May, Maui (Kahului) averages a high of 24°C (75°F) and a low of 18°C (65°F) — generally warm.

Does it rain a lot in Maui (Kahului) in May?

May is quite rainy in Maui (Kahului), with about 25 rainy days on average.

Is May a good time to visit Maui (Kahului)?

May is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Maui (Kahului) in May?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full May packing list for Maui (Kahului) for a complete, climate-based checklist.

Open Maui (Kahului) on the interactive map

Check the live 10-day forecast and sunrise/sunset.