Haʻikū Weather in December
Average highs run from 84°F on December 1 to 83°F on December 31, and lows from 67°F to 64°F. Normal precipitation for the month is 2.80 in over about 10 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
- 83°F
- Average low
- 66°F
- Precipitation
- 2.80 in
- Record high
- 90°FDec 2, 1983
- Record low
- 52°FDec 18, 1983
- Chance of a freeze
- 0%
- Daylight
- 10 h 57 min to 10 h 53 min
- Cloud cover
- 56%
- Humidity
- 78%
- Dew point
- 66°F
- Wind
- 14.5 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 |
|---|---|---|---|---|---|
| Dec 1 | 84°F | 67°F | 89°F 1955 | 57°F 2012 | 32% |
| Dec 2 | 84°F | 67°F | 90°F 1983 | 59°F 1956 | 32% |
| Dec 3 | 84°F | 67°F | 89°F 2020 | 58°F 1962 | 32% |
| Dec 4 | 84°F | 67°F | 89°F 1955 | 58°F 1958 | 33% |
| Dec 5 | 84°F | 67°F | 89°F 2020 | 58°F 1971 | 33% |
| Dec 6 | 84°F | 67°F | 90°F 1995 | 55°F 2010 | 33% |
| Dec 7 | 84°F | 67°F | 90°F 1956 | 55°F 1986 | 33% |
| Dec 8 | 84°F | 67°F | 88°F 1980 | 57°F 2010 | 33% |
| Dec 9 | 84°F | 67°F | 89°F 2020 | 58°F 2009 | 33% |
| Dec 10 | 84°F | 67°F | 90°F 2023 | 56°F 1972 | 33% |
| Dec 11 | 84°F | 67°F | 89°F 2023 | 56°F 2004 | 33% |
| Dec 12 | 84°F | 66°F | 89°F 2019 | 56°F 2004 | 32% |
| Dec 13 | 83°F | 66°F | 90°F 1991 | 55°F 1972 | 32% |
| Dec 14 | 83°F | 66°F | 89°F 2020 | 57°F 2002 | 32% |
| Dec 15 | 83°F | 66°F | 87°F 2024 | 57°F 2004 | 32% |
| Dec 16 | 83°F | 66°F | 90°F 1960 | 56°F 1969 | 32% |
| Dec 17 | 83°F | 66°F | 87°F 1984 | 56°F 1983 | 32% |
| Dec 18 | 83°F | 66°F | 89°F 1971 | 52°F 1983 | 32% |
| Dec 19 | 83°F | 66°F | 87°F 1980 | 56°F 1973 | 32% |
| Dec 20 | 83°F | 66°F | 87°F 1979 | 58°F 1962 | 31% |
| Dec 21 | 83°F | 65°F | 90°F 2025 | 56°F 1969 | 31% |
| Dec 22 | 83°F | 65°F | 87°F 1961 | 53°F 1969 | 31% |
| Dec 23 | 83°F | 65°F | 88°F 2019 | 53°F 1969 | 31% |
| Dec 24 | 83°F | 65°F | 90°F 1992 | 54°F 1962 | 31% |
| Dec 25 | 83°F | 65°F | 87°F 1992 | 58°F 1971 | 31% |
| Dec 26 | 83°F | 65°F | 87°F 2020 | 56°F 1971 | 31% |
| Dec 27 | 83°F | 65°F | 88°F 2020 | 56°F 1968 | 30% |
| Dec 28 | 83°F | 65°F | 87°F 1958 | 55°F 1967 | 30% |
| Dec 29 | 83°F | 65°F | 90°F 2020 | 58°F 1965 | 30% |
| Dec 30 | 83°F | 64°F | 86°F 1995 | 57°F 1998 | 30% |
| Dec 31 | 83°F | 64°F | 85°F 2005 | 53°F 1984 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- December 1
- sunrise 6:46 AM, sunset 5:43 PM
- December 31
- sunrise 7:02 AM, sunset 5:55 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00022516 (Kahului AP), public domain. Records: NOAA GHCN-Daily, station USW00022516, 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.