Waianae Weather in August
Average highs run from 86°F on August 1 to 85°F on August 31, and lows from 71°F to 70°F. Normal precipitation for the month is 0.74 in over about 3 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
- 86°F
- Average low
- 70°F
- Precipitation
- 0.74 in
- Record high
- 91°FAug 7, 2006
- Record low
- 62°FAug 10, 1999
- Chance of a freeze
- 0%
- 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 | 86°F | 71°F | 88°F 2002 | 64°F 1999 | 11% |
| Aug 2 | 86°F | 71°F | 86°F 1997 | 63°F 1999 | 11% |
| Aug 3 | 86°F | 70°F | 85°F 1999 | 63°F 1999 | 11% |
| Aug 4 | 86°F | 70°F | 85°F 1998 | 63°F 2003 | 11% |
| Aug 5 | 86°F | 70°F | 85°F 1999 | 65°F 1997 | 11% |
| Aug 6 | 86°F | 70°F | 86°F 2003 | 64°F 2000 | 11% |
| Aug 7 | 86°F | 70°F | 91°F 2006 | 66°F 2000 | 11% |
| Aug 8 | 86°F | 70°F | 85°F 2001 | 64°F 1999 | 11% |
| Aug 9 | 86°F | 70°F | 87°F 1997 | 63°F 1999 | 11% |
| Aug 10 | 86°F | 70°F | 90°F 1998 | 62°F 1999 | 11% |
| Aug 11 | 86°F | 70°F | 87°F 1997 | 64°F 1999 | 11% |
| Aug 12 | 86°F | 70°F | 89°F 2003 | 64°F 1997 | 11% |
| Aug 13 | 86°F | 70°F | 86°F 1998 | 64°F 1997 | 11% |
| Aug 14 | 86°F | 70°F | 85°F 1997 | 64°F 1997 | 11% |
| Aug 15 | 86°F | 70°F | 88°F 1997 | 64°F 1997 | 11% |
| Aug 16 | 86°F | 70°F | 84°F 2002 | 64°F 1998 | 11% |
| Aug 17 | 86°F | 70°F | 85°F 2000 | 64°F 1998 | 11% |
| Aug 18 | 86°F | 70°F | 90°F 2004 | 64°F 1998 | 11% |
| Aug 19 | 86°F | 70°F | 89°F 1998 | 63°F 1999 | 11% |
| Aug 20 | 86°F | 70°F | 85°F 1997 | 63°F 1999 | 12% |
| Aug 21 | 86°F | 70°F | 87°F 1997 | 65°F 1999 | 12% |
| Aug 22 | 85°F | 70°F | 85°F 2005 | 63°F 2005 | 12% |
| Aug 23 | 85°F | 70°F | 89°F 2005 | 66°F 2005 | 12% |
| Aug 24 | 85°F | 70°F | 84°F 1998 | 65°F 2006 | 13% |
| Aug 25 | 85°F | 70°F | 85°F 2002 | 65°F 2000 | 13% |
| Aug 26 | 85°F | 70°F | 86°F 2006 | 63°F 2001 | 13% |
| Aug 27 | 85°F | 70°F | 86°F 2001 | 65°F 2001 | 13% |
| Aug 28 | 85°F | 70°F | 86°F 2006 | 65°F 1998 | 13% |
| Aug 29 | 85°F | 70°F | 87°F 2001 | 64°F 1998 | 14% |
| Aug 30 | 85°F | 70°F | 87°F 2002 | 66°F 2013 | 14% |
| Aug 31 | 85°F | 70°F | 86°F 2002 | 66°F 2010 | 14% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- August 1
- sunrise 6:06 AM, sunset 7:12 PM
- August 31
- sunrise 6:16 AM, sunset 6:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00515758 (Makaha Ctry Club 800.3), public domain. Records: NOAA GHCN-Daily, station USC00518838, 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.