Kapaau Weather in August
Average highs run from 88°F on August 1 to 88°F on August 31, and lows from 75°F to 75°F. Normal precipitation for the month is 0.80 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
- 89°F
- Average low
- 75°F
- Precipitation
- 0.80 in
- Record high
- 68°FAug 2, 2024
- Record low
- 31°FAug 1, 2008
- Chance of a freeze
- 0%
- Days of 90°F or more
- 3.0
- Daylight
- 13 h 02 min to 12 h 32 min
- Cloud cover
- 55%
- Humidity
- 75%
- Dew point
- 71°F
- Wind
- 11.0 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 | 88°F | 75°F | 67°F 2023 | 31°F 2008 | 8% |
| Aug 2 | 89°F | 75°F | 68°F 2024 | 37°F 2008 | 8% |
| Aug 3 | 89°F | 76°F | 67°F 2024 | 34°F 2022 | 8% |
| Aug 4 | 89°F | 76°F | 67°F 2011 | 34°F 2022 | 8% |
| Aug 5 | 89°F | 76°F | 66°F 2024 | 36°F 2022 | 8% |
| Aug 6 | 89°F | 76°F | 65°F 2025 | 34°F 2008 | 8% |
| Aug 7 | 89°F | 76°F | 64°F 2018 | 37°F 2022 | 8% |
| Aug 8 | 89°F | 76°F | 65°F 2023 | 35°F 2021 | 8% |
| Aug 9 | 89°F | 76°F | 65°F 2023 | 33°F 2011 | 8% |
| Aug 10 | 89°F | 76°F | 63°F 2012 | 34°F 2021 | 9% |
| Aug 11 | 89°F | 76°F | 64°F 2017 | 37°F 2011 | 9% |
| Aug 12 | 89°F | 76°F | 66°F 2017 | 33°F 2023 | 9% |
| Aug 13 | 89°F | 76°F | 65°F 2019 | 37°F 2023 | 9% |
| Aug 14 | 89°F | 76°F | 66°F 2013 | 35°F 2023 | 9% |
| Aug 15 | 89°F | 75°F | 65°F 2011 | 33°F 2023 | 9% |
| Aug 16 | 89°F | 75°F | 63°F 2019 | 37°F 2008 | 9% |
| Aug 17 | 89°F | 75°F | 63°F 2024 | 34°F 2008 | 9% |
| Aug 18 | 89°F | 75°F | 64°F 2011 | 33°F 2012 | 9% |
| Aug 19 | 89°F | 75°F | 62°F 2010 | 37°F 2014 | 10% |
| Aug 20 | 89°F | 75°F | 66°F 2007 | 37°F 2016 | 10% |
| Aug 21 | 89°F | 75°F | 65°F 2015 | 36°F 2012 | 10% |
| Aug 22 | 89°F | 75°F | 64°F 2010 | 36°F 2012 | 10% |
| Aug 23 | 89°F | 75°F | 64°F 2019 | 33°F 2012 | 10% |
| Aug 24 | 89°F | 75°F | 64°F 2019 | 34°F 2012 | 10% |
| Aug 25 | 88°F | 75°F | 66°F 2013 | 33°F 2020 | 10% |
| Aug 26 | 88°F | 75°F | 64°F 2019 | 35°F 2022 | 11% |
| Aug 27 | 88°F | 75°F | 65°F 2010 | 35°F 2022 | 11% |
| Aug 28 | 88°F | 75°F | 63°F 2020 | 35°F 2016 | 11% |
| Aug 29 | 88°F | 75°F | 67°F 2023 | 34°F 2019 | 11% |
| Aug 30 | 88°F | 75°F | 62°F 2006 | 34°F 2011 | 11% |
| Aug 31 | 88°F | 75°F | 67°F 2026 | 33°F 2008 | 11% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- August 1
- sunrise 5:58 AM, sunset 7:00 PM
- August 31
- sunrise 6:07 AM, sunset 6:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00518422 (Puukohola Heiau 98.1), public domain. Records: NOAA GHCN-Daily, station USW00021514, 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.