‘Aiea Weather in August
Average highs run from 87°F on August 1 to 88°F on August 31, and lows from 72°F to 70°F. Normal precipitation for the month is 0.84 in over about 4 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 87°F
- Average low
- 71°F
- Precipitation
- 0.84 in
- Record high
- 95°FAug 31, 2019
- Record low
- 65°FAug 19, 2009
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.6
- Daylight
- 13 h 06 min to 12 h 34 min
- Cloud cover
- 44%
- Humidity
- 74%
- Dew point
- 70°F
- Wind
- 15.9 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 |
|---|---|---|---|---|---|
| Aug 1 | 87°F | 72°F | 91°F 1995 | 70°F 1966 | 17% |
| Aug 2 | 87°F | 72°F | 93°F 2019 | 69°F 1950 | 17% |
| Aug 3 | 87°F | 72°F | 92°F 1968 | 71°F 1950 | 16% |
| Aug 4 | 87°F | 72°F | 93°F 1995 | 68°F 1972 | 16% |
| Aug 5 | 87°F | 72°F | 92°F 1986 | 70°F 1972 | 16% |
| Aug 6 | 87°F | 72°F | 92°F 2003 | 70°F 1959 | 16% |
| Aug 7 | 87°F | 72°F | 92°F 1969 | 68°F 1979 | 16% |
| Aug 8 | 87°F | 72°F | 92°F 2005 | 70°F 1979 | 16% |
| Aug 9 | 87°F | 72°F | 93°F 1987 | 67°F 1984 | 15% |
| Aug 10 | 87°F | 72°F | 92°F 1970 | 69°F 1957 | 15% |
| Aug 11 | 87°F | 72°F | 94°F 2019 | 70°F 1957 | 15% |
| Aug 12 | 87°F | 72°F | 93°F 2015 | 69°F 1947 | 15% |
| Aug 13 | 87°F | 71°F | 93°F 1994 | 69°F 1997 | 15% |
| Aug 14 | 88°F | 71°F | 93°F 1997 | 69°F 1955 | 15% |
| Aug 15 | 88°F | 71°F | 92°F 2005 | 67°F 1965 | 15% |
| Aug 16 | 88°F | 71°F | 92°F 1968 | 68°F 1974 | 15% |
| Aug 17 | 88°F | 71°F | 92°F 2018 | 70°F 1955 | 15% |
| Aug 18 | 88°F | 71°F | 93°F 1995 | 66°F 2009 | 15% |
| Aug 19 | 88°F | 71°F | 93°F 1994 | 65°F 2009 | 15% |
| Aug 20 | 88°F | 71°F | 93°F 1986 | 66°F 2009 | 15% |
| Aug 21 | 88°F | 71°F | 93°F 1987 | 70°F 1965 | 15% |
| Aug 22 | 88°F | 71°F | 93°F 1995 | 68°F 2009 | 15% |
| Aug 23 | 88°F | 71°F | 93°F 2019 | 70°F 1972 | 15% |
| Aug 24 | 88°F | 71°F | 93°F 1996 | 70°F 1965 | 15% |
| Aug 25 | 88°F | 71°F | 93°F 1987 | 70°F 1965 | 15% |
| Aug 26 | 88°F | 71°F | 93°F 1996 | 67°F 1974 | 15% |
| Aug 27 | 88°F | 71°F | 92°F 1969 | 68°F 1971 | 16% |
| Aug 28 | 88°F | 70°F | 92°F 1970 | 69°F 1979 | 16% |
| Aug 29 | 88°F | 70°F | 94°F 2019 | 68°F 1974 | 16% |
| Aug 30 | 88°F | 70°F | 93°F 1997 | 68°F 1987 | 16% |
| Aug 31 | 88°F | 70°F | 95°F 2019 | 69°F 1987 | 16% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- August 1
- sunrise 6:05 AM, sunset 7:11 PM
- August 31
- sunrise 6:15 AM, sunset 6:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00511918 (Ewa Beach Usgs 702.2), public domain. Records: NOAA GHCN-Daily, station USW00022521, 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.