Portlock Weather in May
Average highs run from 81°F on May 1 to 82°F on May 31, and lows from 69°F to 71°F. Normal precipitation for the month is 2.43 in over about 12 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
- 81°F
- Average low
- 70°F
- Precipitation
- 2.43 in
- Record high
- 90°FMay 15, 2024
- Record low
- 60°FMay 3, 1996
- Chance of a freeze
- 0%
- Daylight
- 12 h 56 min to 13 h 21 min
- Cloud cover
- 48%
- Humidity
- 76%
- Dew point
- 68°F
- Wind
- 14.5 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 | 81°F | 69°F | 88°F 2017 | 63°F 2005 | 40% |
| May 2 | 81°F | 69°F | 86°F 1992 | 63°F 1996 | 39% |
| May 3 | 81°F | 69°F | 86°F 1978 | 60°F 1996 | 39% |
| May 4 | 81°F | 69°F | 85°F 1974 | 62°F 1996 | 39% |
| May 5 | 81°F | 69°F | 85°F 2024 | 64°F 1996 | 39% |
| May 6 | 81°F | 70°F | 85°F 2016 | 66°F 1996 | 39% |
| May 7 | 81°F | 70°F | 85°F 2017 | 66°F 1946 | 39% |
| May 8 | 81°F | 70°F | 86°F 1979 | 65°F 2004 | 39% |
| May 9 | 81°F | 70°F | 86°F 1981 | 65°F 1973 | 39% |
| May 10 | 81°F | 70°F | 86°F 1981 | 62°F 1996 | 39% |
| May 11 | 81°F | 70°F | 85°F 1980 | 67°F 1942 | 38% |
| May 12 | 81°F | 70°F | 86°F 1980 | 62°F 1946 | 38% |
| May 13 | 81°F | 70°F | 86°F 1981 | 66°F 1987 | 38% |
| May 14 | 81°F | 70°F | 88°F 2024 | 65°F 1973 | 38% |
| May 15 | 81°F | 70°F | 90°F 2024 | 66°F 1973 | 38% |
| May 16 | 81°F | 70°F | 87°F 1992 | 65°F 1973 | 38% |
| May 17 | 81°F | 70°F | 90°F 2024 | 65°F 2004 | 38% |
| May 18 | 82°F | 70°F | 85°F 1980 | 66°F 1973 | 37% |
| May 19 | 82°F | 70°F | 88°F 2023 | 63°F 1997 | 37% |
| May 20 | 82°F | 70°F | 87°F 2024 | 64°F 1995 | 37% |
| May 21 | 82°F | 70°F | 86°F 1991 | 64°F 1997 | 37% |
| May 22 | 82°F | 70°F | 88°F 2024 | 63°F 2009 | 36% |
| May 23 | 82°F | 71°F | 88°F 2014 | 65°F 2009 | 36% |
| May 24 | 82°F | 71°F | 87°F 1980 | 65°F 1997 | 36% |
| May 25 | 82°F | 71°F | 85°F 1968 | 66°F 1997 | 36% |
| May 26 | 82°F | 71°F | 87°F 1980 | 64°F 1997 | 36% |
| May 27 | 82°F | 71°F | 88°F 2013 | 64°F 1997 | 35% |
| May 28 | 82°F | 71°F | 87°F 1969 | 66°F 1997 | 35% |
| May 29 | 82°F | 71°F | 87°F 1969 | 66°F 1997 | 35% |
| May 30 | 82°F | 71°F | 88°F 1980 | 67°F 1971 | 35% |
| May 31 | 82°F | 71°F | 87°F 1979 | 69°F 1974 | 35% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- May 1
- sunrise 6:00 AM, sunset 6:56 PM
- May 31
- sunrise 5:48 AM, sunset 7:09 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00519523 (Waimanalo Exp F 795.1), public domain. Records: NOAA GHCN-Daily, station USW00022519, 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.