Kihei, HI weather in May
Kihei is warm and often humid in May, with some rain: highs average 87°F and nights drop to about 68°F. There are about 6 days with rain.
- Normal high
- 87°F
- Normal low
- 68°F
- Wet days
- 6
- 0.7 in total
- Muggy days
- 15
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 86°F | 88°F |
| Normal low | 67°F | 69°F |
| Chance of a wet day | 25% | 16% |
| Sunrise / sunset | 5:55 am / 6:50 pm | 5:44 am / 7:02 pm |
| Daylight | 12.9 h | 13.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Hawaii time (no daylight saving)).
A typical May day
- 6 am69°Fdew point 64°F
- 9 am79°Fdew point 65°F
- Noon83°Fdew point 66°F
- 3 pm83°Fdew point 66°F
- 6 pm78°Fdew point 65°F
- 9 pm74°Fdew point 66°F
NOAA hourly normals (local standard time) from Kahului Airport (10 mi away); average wind 12 mph; clear or few clouds in 37% of daytime hours, mostly cloudy or overcast in 19%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph7 of 31
- Hot dayshigh 90°F or more2 of 31
- Muggy daysdaily mean dew point 65°F or more15 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 0.7 in; a dry May brings about 0.06 in and a wet one about 0.9 in (25th and 75th percentiles). Days with half an inch or more are rare.
How May varies from year to year
- Warmest May, 1991-20202019: average high 89°F
- Coolest May1998: average high 82°F
- Wettest May2016: 3.0 in
- Driest May2003: no measurable precipitation
- Highest reading96°F (May 22, 2019)
- Lowest reading56°F (May 13, 2012)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 85°F | 87°F | 88°F |
| Normal low | 67°F | 68°F | 70°F |
| Wet days | 9 | 6 | 5 |
| Comfortable days | 1 | 0 | 0 |
| Daylight | 12.6 h | 13.1 h | 13.4 h |
Highs change by +2°F from April and +1°F into June.
Nearby alternatives in May
- Cooler: East Honolulu, HI89 mi · high 81°F · 10 wet days
How Kihei ranks in May
- Normal high40th warmest of 378 cities; 1st of 7 in Hawaii
- Wet days96th driest of 378
- Comfortable days339th most of 339
What to pack for Kihei in May
- Light, breathable clothing – highs near 87°F and about 15 muggy days
Heating and cooling
May has 0 heating degree days and 375 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is Kihei in May?
The normal high is 87°F and the normal low is 68°F. From 1991 to 2020 the hottest May reading was 96°F (May 22, 2019).
Does it rain a lot in Kihei in May?
About 6 days in May have at least 0.01 in of precipitation, and the normal total is 0.7 in. The wettest May in 1991-2020 was in 2016 (3.0 in); the driest was in 2003, with no measurable precipitation.
Is May a good time to visit Kihei?
May ranks 5th of 12 months on our comfort score for Kihei (53 out of 100). It has almost no comfortable days and about 2 days at 90°F or hotter. The best months are February, May and June.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Kahului Airport (USW00022516), 10 mi N of the city center, 51 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Kihei 311 (USC00514489), 2.6 mi NNE of the city center, 158 ft (147 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Kahului Airport (911900-22516), 9.3 mi N of the city center, 46 ft . Hourly observations, 1991-2020.