Kahului Weather in May
Average highs run from 86°F on May 1 to 88°F on May 31, and lows from 67°F to 69°F. Normal precipitation for the month is 0.71 in over about 6 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 87°F
- Average low
- 68°F
- Precipitation
- 0.71 in
- Record high
- 96°FMay 22, 2019
- Record low
- 56°FMay 13, 2012
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.6
- Daylight
- 12 h 56 min to 13 h 19 min
- Cloud cover
- 51%
- Humidity
- 78%
- Dew point
- 67°F
- Wind
- 14.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 86°F | 67°F | 89°F 2013 | 59°F 2018 | 26% |
| May 2 | 86°F | 67°F | 92°F 1978 | 60°F 1986 | 26% |
| May 3 | 86°F | 67°F | 89°F 1978 | 58°F 2006 | 25% |
| May 4 | 86°F | 67°F | 89°F 1984 | 59°F 1972 | 25% |
| May 5 | 86°F | 67°F | 91°F 2016 | 58°F 1985 | 25% |
| May 6 | 86°F | 67°F | 89°F 1970 | 57°F 1968 | 24% |
| May 7 | 86°F | 67°F | 90°F 2003 | 57°F 1968 | 24% |
| May 8 | 86°F | 67°F | 90°F 1984 | 58°F 1969 | 24% |
| May 9 | 86°F | 67°F | 91°F 1981 | 58°F 1969 | 23% |
| May 10 | 86°F | 67°F | 90°F 2002 | 58°F 1969 | 23% |
| May 11 | 86°F | 67°F | 90°F 1966 | 58°F 1975 | 22% |
| May 12 | 86°F | 67°F | 90°F 2010 | 58°F 1971 | 22% |
| May 13 | 86°F | 67°F | 89°F 1984 | 56°F 2012 | 22% |
| May 14 | 86°F | 67°F | 89°F 1970 | 59°F 1964 | 21% |
| May 15 | 86°F | 68°F | 90°F 1967 | 60°F 1964 | 21% |
| May 16 | 87°F | 68°F | 90°F 1980 | 59°F 2006 | 20% |
| May 17 | 87°F | 68°F | 91°F 2020 | 58°F 1964 | 20% |
| May 18 | 87°F | 68°F | 91°F 2019 | 59°F 1972 | 20% |
| May 19 | 87°F | 68°F | 92°F 2019 | 57°F 1985 | 19% |
| May 20 | 87°F | 68°F | 93°F 2019 | 58°F 1985 | 19% |
| May 21 | 87°F | 68°F | 92°F 1996 | 62°F 1995 | 18% |
| May 22 | 87°F | 68°F | 96°F 2019 | 61°F 1972 | 18% |
| May 23 | 87°F | 68°F | 95°F 2019 | 61°F 1975 | 17% |
| May 24 | 87°F | 68°F | 94°F 2019 | 60°F 1974 | 17% |
| May 25 | 87°F | 68°F | 93°F 2019 | 59°F 2000 | 17% |
| May 26 | 87°F | 69°F | 91°F 1980 | 60°F 1973 | 17% |
| May 27 | 87°F | 69°F | 93°F 2019 | 61°F 1973 | 16% |
| May 28 | 87°F | 69°F | 95°F 2019 | 60°F 1964 | 16% |
| May 29 | 87°F | 69°F | 92°F 1992 | 59°F 1964 | 16% |
| May 30 | 88°F | 69°F | 93°F 2019 | 58°F 1975 | 16% |
| May 31 | 88°F | 69°F | 91°F 1969 | 60°F 1976 | 16% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- May 1
- sunrise 5:55 AM, sunset 6:51 PM
- May 31
- sunrise 5:44 AM, sunset 7:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00022516 (Kahului AP), public domain. Records: NOAA GHCN-Daily, station USW00022516, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.