Kauai County Weather in December
Average highs run from 83°F on December 1 to 80°F on December 31, and lows from 68°F to 66°F. Normal precipitation for the month is 3.45 in over about 7 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 82°F
- Average low
- 67°F
- Precipitation
- 3.45 in
- Record high
- 88°FDec 1, 1984
- Record low
- 53°FDec 20, 1969
- Chance of a freeze
- 0%
- Daylight
- 10 h 54 min to 10 h 49 min
- Cloud cover
- 58%
- Humidity
- 76%
- Dew point
- 67°F
- Wind
- 14.3 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 |
|---|---|---|---|---|---|
| Dec 1 | 83°F | 68°F | 88°F 1984 | 61°F 1972 | 20% |
| Dec 2 | 83°F | 68°F | 88°F 1991 | 59°F 1985 | 20% |
| Dec 3 | 83°F | 68°F | 86°F 1971 | 60°F 1989 | 20% |
| Dec 4 | 83°F | 68°F | 86°F 1971 | 58°F 1968 | 20% |
| Dec 5 | 83°F | 68°F | 88°F 1984 | 58°F 1968 | 21% |
| Dec 6 | 82°F | 68°F | 87°F 1971 | 58°F 1968 | 21% |
| Dec 7 | 82°F | 68°F | 88°F 1971 | 60°F 1982 | 21% |
| Dec 8 | 82°F | 67°F | 88°F 1994 | 60°F 2002 | 21% |
| Dec 9 | 82°F | 67°F | 88°F 1971 | 59°F 1972 | 21% |
| Dec 10 | 82°F | 67°F | 86°F 1984 | 55°F 1997 | 21% |
| Dec 11 | 82°F | 67°F | 85°F 1970 | 60°F 1971 | 22% |
| Dec 12 | 82°F | 67°F | 86°F 1984 | 59°F 1972 | 22% |
| Dec 13 | 82°F | 67°F | 86°F 1970 | 60°F 1968 | 22% |
| Dec 14 | 82°F | 67°F | 88°F 1970 | 59°F 1985 | 22% |
| Dec 15 | 82°F | 67°F | 87°F 1986 | 59°F 1969 | 22% |
| Dec 16 | 82°F | 67°F | 87°F 1986 | 57°F 1989 | 23% |
| Dec 17 | 82°F | 67°F | 85°F 1970 | 59°F 1969 | 23% |
| Dec 18 | 82°F | 67°F | 87°F 1987 | 59°F 1988 | 23% |
| Dec 19 | 81°F | 67°F | 86°F 1984 | 60°F 1975 | 23% |
| Dec 20 | 81°F | 67°F | 87°F 1970 | 53°F 1969 | 24% |
| Dec 21 | 81°F | 67°F | 87°F 1970 | 53°F 1969 | 24% |
| Dec 22 | 81°F | 67°F | 86°F 1970 | 58°F 1983 | 24% |
| Dec 23 | 81°F | 67°F | 84°F 1984 | 61°F 1969 | 24% |
| Dec 24 | 81°F | 67°F | 86°F 2011 | 60°F 1975 | 24% |
| Dec 25 | 81°F | 67°F | 85°F 2011 | 60°F 2005 | 24% |
| Dec 26 | 81°F | 66°F | 83°F 1970 | 58°F 1968 | 25% |
| Dec 27 | 81°F | 66°F | 85°F 1970 | 60°F 1973 | 25% |
| Dec 28 | 81°F | 66°F | 86°F 2009 | 58°F 1968 | 25% |
| Dec 29 | 80°F | 66°F | 84°F 1994 | 57°F 1968 | 25% |
| Dec 30 | 80°F | 66°F | 84°F 1988 | 56°F 1968 | 25% |
| Dec 31 | 80°F | 66°F | 86°F 1994 | 59°F 1990 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- December 1
- sunrise 7:01 AM, sunset 5:55 PM
- December 31
- sunrise 7:18 AM, sunset 6:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00022501 (Barking Sands), public domain. Records: NOAA GHCN-Daily, station USW00022501, 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.