Honolulu weather in December: Honolulu, Hawaii: normal highs, lows, rain and records for December
Honolulu in December has a normal high of 82°F and a normal low of 69°F, a daily mean of 76°F, falling from 83°F on the 1st to 81°F by the 31st. Measurable precipitation falls on 9 days in a normal December, 2.18 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 21°C, 55 mm of precipitation in December.
- NOAA stationHonolulu International Airport
- Station IDUSW00022521
- Location21.32°N 157.93°W
- Elevation7 ft (2 m)
- From the center5 miles
- Population (census place)344,967
- Jan 81° 67°
- Feb 81° 67°
- Mar 81° 68°
- Apr 83° 70°
- May 85° 72°
- Jun 87° 74°
- Jul 88° 75°
- Aug 89° 76°
- Sep 88° 75°
- Oct 87° 74°
- Nov 84° 72°
- Dec 82° 69°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Honolulu in December?
The normal high is 82°F and the normal low 69°F, for a daily mean of 75.5°F. December is 2.5°F cooler than November and 1.9°F warmer than January. December is the 9th warmest month of the year in Honolulu and the 3rd wettest. Across the month the normal high falls 2°F, from 83°F on December 1 to 81°F on December 31. From one year to the next December's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 74°F and 77°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 83°F | 71°F | 29% | 10% |
| December 8 | 82°F | 70°F | 29% | 10% |
| December 15 | 82°F | 69°F | 28% | 10% |
| December 22 | 81°F | 69°F | 27% | 10% |
| December 31 | 81°F | 68°F | 26% | 10% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 83°F | 71°F | 29% | 10% | 11 h |
| December 2 | 83°F | 71°F | 29% | 10% | 11 h |
| December 3 | 83°F | 71°F | 29% | 10% | 11 h |
| December 4 | 83°F | 71°F | 29% | 10% | 10 h 50 min |
| December 5 | 83°F | 70°F | 29% | 10% | 10 h 50 min |
| December 6 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 7 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 8 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 9 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 10 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 11 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 12 | 82°F | 70°F | 29% | 10% | 10 h 50 min |
| December 13 | 82°F | 70°F | 28% | 10% | 10 h 50 min |
| December 14 | 82°F | 70°F | 28% | 10% | 10 h 50 min |
| December 15 | 82°F | 69°F | 28% | 10% | 10 h 50 min |
| December 16 | 82°F | 69°F | 28% | 10% | 10 h 50 min |
| December 17 | 82°F | 69°F | 28% | 10% | 10 h 50 min |
| December 18 | 82°F | 69°F | 28% | 10% | 10 h 50 min |
| December 19 | 82°F | 69°F | 28% | 10% | 10 h 50 min |
| December 20 | 82°F | 69°F | 27% | 10% | 10 h 50 min |
| December 21 | 82°F | 69°F | 27% | 10% | 10 h 50 min |
| December 22 | 81°F | 69°F | 27% | 10% | 10 h 50 min |
| December 23 | 81°F | 68°F | 27% | 10% | 10 h 50 min |
| December 24 | 81°F | 68°F | 27% | 10% | 10 h 50 min |
| December 25 | 81°F | 68°F | 27% | 10% | 10 h 50 min |
| December 26 | 81°F | 68°F | 27% | 10% | 10 h 50 min |
| December 27 | 81°F | 68°F | 27% | 10% | 10 h 50 min |
| December 28 | 81°F | 68°F | 27% | 10% | 10 h 50 min |
| December 29 | 81°F | 68°F | 26% | 10% | 10 h 50 min |
| December 30 | 81°F | 68°F | 26% | 10% | 10 h 50 min |
| December 31 | 81°F | 68°F | 26% | 10% | 10 h 50 min |
- Normal high
- 82°FDecember average
- Normal low
- 69°FDecember average
- Precipitation
- 2.18 inmonth total
- Days with precipitation
- 90.01 inch or more
- Daylight
- 11 h to 10 h 50 minDecember 1 to December 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00022521; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Honolulu in December?
On a given December day the chance of 0.01 inch or more is 28% on average, highest around December 1 (29%). In all, 2.18 in falls on 9 days of a normal December, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00022521.
How humid and windy is Honolulu in December?
At 3 p.m. the normal temperature is 79°F with 60% relative humidity and a dew point of 64°F; at 6 a.m. it is 69°F with 81% humidity. The wind averages 8.4 mph, most often from the east-northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 69°F | 63°F | 81% | 6.1 mph | 51% |
| 9 a.m. | 74°F | 64°F | 71% | 7.4 mph | 44% |
| noon | 79°F | 64°F | 61% | 11.2 mph | 32% |
| 3 p.m. | 79°F | 64°F | 60% | 12.1 mph | 32% |
| 6 p.m. | 75°F | 64°F | 68% | 9.9 mph | 34% |
| 9 p.m. | 73°F | 64°F | 73% | 7.7 mph | 53% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00022521. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for December in Honolulu?
The warmest December temperature on Honolulu's official record (since 1940) is 89°F, on December 13, 1977; the coldest is 54°F, on December 20, 1962. The wettest December brought 17.29 in (1987).
The December mean against the 1991-2020 normal of 75.5°F: 2021 74.5°F (−1.0), 2022 75.3°F (−0.2), 2023 74.3°F (−1.2), 2024 77.2°F (+1.7), 2025 76.2°F (+0.7). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.5°F | −1.0°F | 11.20 in |
| 2022 | 75.3°F | −0.2°F | 2.24 in |
| 2023 | 74.3°F | −1.2°F | 0.88 in |
| 2024 | 77.2°F | +1.7°F | 0.09 in |
| 2025 | 76.2°F | +0.7°F | 4.87 in |
Source: records: ACIS, NWS threaded record HNLthr; recent months: ACIS, station USW00022521. Records and recent months use complete months only.
How does December in Honolulu compare across Hawaii?
Across the 18 places PlainClimate covers in Hawaii, December normal highs run from 70°F in Kula to 83°F in Kahului; Honolulu's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.