Waipahu Weather in January
Average highs run from 80°F on January 1 to 80°F on January 31, and lows from 63°F to 62°F. Normal precipitation for the month is 1.84 in over about 10 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 80°F
- Average low
- 62°F
- Precipitation
- 1.84 in
- Record high
- 84°FJan 31, 2005
- Record low
- 42°FJan 14, 2014
- Chance of a freeze
- 0%
- Daylight
- 10 h 52 min to 11 h 12 min
- Cloud cover
- 51%
- Humidity
- 75%
- Dew point
- 64°F
- Wind
- 12.5 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 |
|---|---|---|---|---|---|
| Jan 1 | 80°F | 63°F | 81°F 2006 | 56°F 2000 | 31% |
| Jan 2 | 80°F | 63°F | 81°F 2003 | 56°F 2002 | 31% |
| Jan 3 | 80°F | 63°F | 80°F 2000 | 56°F 1999 | 31% |
| Jan 4 | 80°F | 63°F | 83°F 2006 | 57°F 2002 | 31% |
| Jan 5 | 80°F | 63°F | 80°F 2000 | 55°F 2004 | 31% |
| Jan 6 | 80°F | 63°F | 80°F 2001 | 44°F 2014 | 31% |
| Jan 7 | 80°F | 63°F | 80°F 2008 | 53°F 2003 | 30% |
| Jan 8 | 80°F | 62°F | 83°F 2001 | 53°F 2003 | 30% |
| Jan 9 | 80°F | 62°F | 82°F 2002 | 54°F 1998 | 30% |
| Jan 10 | 80°F | 62°F | 80°F 2002 | 55°F 2003 | 30% |
| Jan 11 | 80°F | 62°F | 80°F 2001 | 54°F 1999 | 30% |
| Jan 12 | 80°F | 62°F | 82°F 2002 | 54°F 1999 | 30% |
| Jan 13 | 80°F | 62°F | 80°F 1998 | 53°F 2003 | 30% |
| Jan 14 | 80°F | 62°F | 81°F 1998 | 42°F 2014 | 30% |
| Jan 15 | 80°F | 62°F | 80°F 1998 | 58°F 1998 | 30% |
| Jan 16 | 80°F | 62°F | 82°F 1998 | 58°F 1998 | 30% |
| Jan 17 | 80°F | 62°F | 81°F 1998 | 51°F 2003 | 30% |
| Jan 18 | 80°F | 62°F | 83°F 2001 | 53°F 2009 | 30% |
| Jan 19 | 80°F | 62°F | 80°F 2005 | 58°F 2008 | 30% |
| Jan 20 | 80°F | 62°F | 82°F 1999 | 59°F 1999 | 30% |
| Jan 21 | 80°F | 62°F | 82°F 2005 | 56°F 2003 | 30% |
| Jan 22 | 80°F | 62°F | 80°F 1998 | 53°F 2003 | 30% |
| Jan 23 | 80°F | 62°F | 81°F 1998 | 51°F 2005 | 30% |
| Jan 24 | 80°F | 62°F | 82°F 1998 | 53°F 2000 | 30% |
| Jan 25 | 80°F | 62°F | 79°F 2005 | 52°F 2000 | 30% |
| Jan 26 | 80°F | 62°F | 81°F 2005 | 53°F 2000 | 30% |
| Jan 27 | 80°F | 62°F | 80°F 2003 | 56°F 1998 | 30% |
| Jan 28 | 80°F | 62°F | 83°F 2003 | 55°F 1998 | 30% |
| Jan 29 | 80°F | 62°F | 83°F 2005 | 53°F 1998 | 30% |
| Jan 30 | 80°F | 62°F | 78°F 2005 | 52°F 1998 | 30% |
| Jan 31 | 80°F | 62°F | 84°F 2005 | 47°F 1998 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- January 1
- sunrise 7:10 AM, sunset 6:02 PM
- January 31
- sunrise 7:10 AM, sunset 6:22 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 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.