Kihei Weather in May
During May, Kihei experiences high daytime temperatures of 28°C (82°F) and cooler nights around 21°C (70°F). Some rainfall is typical during this period.
Rainfall in Kihei in May
Typically around 9 days of rainfall are expected, averaging 31 mm (1.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kihei in May
If you're visiting Kihei in May, expect perfect temperatures with highs of 28°C (82°F) and overnight lows of 21°C (70°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Kihei in May
The days are predominantly sunny, with an estimated total of around 275 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Kihei in May
Wind speeds average 5 m/s (10 knots) during May. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in May
With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, October, November and December typically offer the best weather for Kihei.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Kihei's climate page.
Kihei Temperature in May
Min Temperature
21°C (70°F)
Max Temperature
28°C (82°F)
Water Temperature
25°C (77°F) *
Chance of Rain
30%
Precipitation
31 mm (1.2 in)
Rainy days
9 days
Humidity
71% *
Windspeed
5 m/s (10 knots) *
Sunshine
275 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kihei typically stay consistent throughout May, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Kihei in May
Browse day-by-day weather records for Kihei spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kihei historical weather extremes in May
Based on weather observations in Kihei between 1976 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 22, 2019, with a maximum of 34°C (93°F).
- The lowest daytime temperature in May was 21°C (70°F), recorded on May 7, 1987.
- Nighttime temperatures dropped to 13°C (55°F) on May 13, 2012, marking the coldest May night on record.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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unpleasant
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What to Wear in Kihei in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. With water temperatures around 25°C (77°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Kihei in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Kihei's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Kihei climate overview or explore weather in the United States of America.
