Haleiwa, HI weather in December
In December, Haleiwa sees highs around 79°F and lows around 65°F: mild and often humid, with rain on most days. Rain falls on about 25 days. Pack rain gear.
- Normal high
- 79°F
- Normal low
- 65°F
- Wet days
- 25
- 5.5 in total
- Muggy days
- 14
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 80°F | 78°F |
| Normal low | 66°F | 63°F |
| Chance of a wet day | 80% | 72% |
| Sunrise / sunset | 6:54 am / 5:48 pm | 7:10 am / 6:00 pm |
| Daylight | 10.9 h | 10.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Hawaii time (no daylight saving)).
A typical December day
- 6 am71°Fdew point 64°F
- 9 am76°Fdew point 65°F
- Noon80°Fdew point 65°F
- 3 pm80°Fdew point 65°F
- 6 pm76°Fdew point 65°F
- 9 pm74°Fdew point 65°F
NOAA hourly normals (local standard time) from Honolulu Intl Airport (22 mi away); average wind 9 mph; clear or few clouds in 35% of daytime hours, mostly cloudy or overcast in 29%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph8 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more14 of 31
- Wet daysat least 0.01 in of rain or melted snow25 of 31
- Notable rainat least 0.10 in11 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain in December
Normal precipitation is 5.5 in; a dry December brings about 3.7 in and a wet one about 7.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How December varies from year to year
- Warmest December, 1991-20202020: average high 83°F
- Coolest December1997: average high 77°F
- Wettest December2003: 10.7 in
- Driest December2005: 0.4 in
- Highest reading88°F (December 11, 2019)
- Lowest reading54°F (December 15, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
December compared with November and January
| November | December | January | |
|---|---|---|---|
| Normal high | 81°F | 79°F | 78°F |
| Normal low | 67°F | 65°F | 62°F |
| Wet days | 24 | 25 | 19 |
| Comfortable days | 1 | 3 | 6 |
| Daylight | 11.1 h | 10.8 h | 11.0 h |
Highs change by -2°F from November and -1°F into January.
Nearby alternatives in December
- Drier: Honolulu, HI25 mi · high 82°F · 9 wet days
How Haleiwa ranks in December
- Normal high7th warmest of 378 cities; 6th of 7 in Hawaii
- Wet days378th driest of 378
- Comfortable days165th most of 340
What to pack for Haleiwa in December
- A rain jacket or umbrella – rain on about 25 days
Heating and cooling
December has 0 heating degree days and 209 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Haleiwa in December?
The normal high is 79°F and the normal low is 65°F. From 1991 to 2020 the hottest December reading was 88°F (most recently on December 11, 2019).
Does it rain a lot in Haleiwa in December?
About 25 days in December have at least 0.01 in of precipitation, and the normal total is 5.5 in. The wettest December in 1991-2020 was in 2003 (10.7 in); the driest was in 2005 (0.4 in).
Is December a good time to visit Haleiwa?
December ranks 9th of 12 months on our comfort score for Haleiwa (44 out of 100). It has about 3 comfortable days. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Waimea Valley 892.2 (USC00519603), 5.0 mi NE of the city center, 41 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 22 mi SSE of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Honolulu International Airport (911820-22521), 21 mi SSE of the city center, 6 ft . Hourly observations, 1991-2020.