Koloa Weather in January
Average highs run from 79°F on January 1 to 78°F on January 31, and lows from 67°F to 66°F. Normal precipitation for the month is 2.78 in over about 12 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
- 79°F
- Average low
- 66°F
- Precipitation
- 2.78 in
- Record high
- 86°FJan 3, 2001
- Record low
- 50°FJan 22, 1969
- Chance of a freeze
- 0%
- Daylight
- 10 h 50 min to 11 h 11 min
- Cloud cover
- 56%
- Humidity
- 75%
- Dew point
- 65°F
- Wind
- 13.0 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 |
|---|---|---|---|---|---|
| Jan 1 | 79°F | 67°F | 84°F 1984 | 55°F 1973 | 46% |
| Jan 2 | 79°F | 67°F | 84°F 1981 | 57°F 2010 | 46% |
| Jan 3 | 79°F | 67°F | 86°F 2001 | 56°F 2015 | 45% |
| Jan 4 | 79°F | 66°F | 86°F 2001 | 54°F 2015 | 45% |
| Jan 5 | 79°F | 66°F | 83°F 1982 | 57°F 1993 | 44% |
| Jan 6 | 79°F | 66°F | 85°F 1981 | 56°F 1971 | 44% |
| Jan 7 | 79°F | 66°F | 83°F 1959 | 53°F 1971 | 43% |
| Jan 8 | 79°F | 66°F | 84°F 1987 | 53°F 1953 | 43% |
| Jan 9 | 79°F | 66°F | 83°F 1959 | 57°F 1968 | 42% |
| Jan 10 | 79°F | 66°F | 83°F 1982 | 56°F 1970 | 42% |
| Jan 11 | 79°F | 66°F | 84°F 1982 | 56°F 2011 | 42% |
| Jan 12 | 79°F | 66°F | 82°F 1959 | 55°F 1954 | 41% |
| Jan 13 | 79°F | 66°F | 83°F 1992 | 54°F 1954 | 41% |
| Jan 14 | 79°F | 66°F | 85°F 1981 | 55°F 1969 | 41% |
| Jan 15 | 79°F | 66°F | 85°F 2015 | 55°F 1959 | 41% |
| Jan 16 | 79°F | 66°F | 84°F 1956 | 54°F 2003 | 40% |
| Jan 17 | 79°F | 66°F | 83°F 1979 | 52°F 1969 | 40% |
| Jan 18 | 79°F | 66°F | 85°F 1979 | 53°F 1969 | 40% |
| Jan 19 | 79°F | 66°F | 84°F 1979 | 56°F 1954 | 40% |
| Jan 20 | 79°F | 66°F | 84°F 1962 | 51°F 1969 | 40% |
| Jan 21 | 79°F | 66°F | 83°F 1961 | 52°F 1969 | 40% |
| Jan 22 | 79°F | 66°F | 83°F 2015 | 50°F 1969 | 40% |
| Jan 23 | 79°F | 66°F | 85°F 2015 | 51°F 1969 | 40% |
| Jan 24 | 79°F | 66°F | 84°F 1981 | 54°F 1969 | 40% |
| Jan 25 | 79°F | 66°F | 83°F 1981 | 53°F 1969 | 40% |
| Jan 26 | 79°F | 66°F | 86°F 2016 | 53°F 1969 | 41% |
| Jan 27 | 79°F | 66°F | 83°F 1963 | 56°F 1969 | 41% |
| Jan 28 | 79°F | 66°F | 84°F 1995 | 57°F 1952 | 41% |
| Jan 29 | 78°F | 66°F | 85°F 2015 | 56°F 1971 | 41% |
| Jan 30 | 78°F | 66°F | 84°F 1981 | 56°F 1998 | 42% |
| Jan 31 | 78°F | 66°F | 85°F 1981 | 54°F 1985 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- January 1
- sunrise 7:17 AM, sunset 6:07 PM
- January 31
- sunrise 7:16 AM, sunset 6:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00022536 (Lihue WSO AP 1020.1), public domain. Records: NOAA GHCN-Daily, station USW00022536, 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.