Climateby Month

Kailua-Kona, HI weather in December

NOAA 1991-2020 normals and daily records · Kailua-Kona all year

Expect warm, mostly dry weather in Kailua-Kona in December, with highs near 82°F and lows near 70°F. Rain falls on about 4 days.

Normal high
82°F
Normal low
70°F
Wet days
4
1.6 in total
Daylight
11.0 h

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high83°F82°F
Normal low71°F69°F
Chance of a wet day12%12%
Sunrise / sunset6:42 am / 5:43 pm6:58 am / 5:55 pm
Daylight11.0 h11.0 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)).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)3 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)27 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow4 of 31
  • Notable rainat least 0.10 in2 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 1.6 in; a dry December brings about 0.2 in and a wet one about 1.4 in (25th and 75th percentiles). About 1 day brings half an inch or more.

How December varies from year to year

  • Warmest December, 1991-20202020: average high 84°F
  • Coolest December1998: average high 81°F
  • Wettest December2007: 10.3 in
  • Driest December2000: no measurable precipitation
  • Highest reading89°F (December 13, 2014)
  • Lowest reading61°F (December 28, 1999)

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

NovemberDecemberJanuary
Normal high84°F82°F81°F
Normal low72°F70°F69°F
Wet days444
Comfortable days037
Daylight11.2 h11.0 h11.1 h

Highs change by -2°F from November and -1°F into January.

How Kailua-Kona ranks in December

  • Normal high2nd warmest of 378 cities; 2nd of 7 in Hawaii
  • Wet days12th driest of 378

What to pack for Kailua-Kona in December

  • A swimsuit – about 27 beach days

Heating and cooling

December has 0 heating degree days and 346 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How hot is Kailua-Kona in December?

The normal high is 82°F and the normal low is 70°F. From 1991 to 2020 the hottest December reading was 89°F (most recently on December 13, 2014).

Does it rain a lot in Kailua-Kona in December?

About 4 days in December have at least 0.01 in of precipitation, and the normal total is 1.6 in. The wettest December in 1991-2020 was in 2007 (10.3 in); the driest was in 2000, with no measurable precipitation.

Is December a good time to visit Kailua-Kona?

December ranks 8th of 12 months on our comfort score for Kailua-Kona (52 out of 100). It has about 3 comfortable days (judged by temperature only). The best months are January, February and March.

Where the numbers come from

  • Temperature and frost dates: Kailua Kona Ke-Ahole Airport (USW00021510), 7.7 mi NNW of the city center, 43 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall and snow depth: Honokohau Harbor 68.14 (USC00511880), 3.4 mi NW of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
  • Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).