Climateby Month

Kihei, HI weather in December

NOAA 1991-2020 normals and daily records · Kihei all year

December in Kihei: warm and often humid, with frequent rain. Highs 83°F, lows 66°F, about 10 days with rain.

Normal high
83°F
Normal low
66°F
Wet days
10
2.8 in total
Muggy days
12
dew point 65°F+

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high84°F83°F
Normal low67°F64°F
Chance of a wet day33%30%
Sunrise / sunset6:45 am / 5:43 pm7:02 am / 5:55 pm
Daylight11.0 h10.9 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

  1. 6 am68°Fdew point 62°F
  2. 9 am75°Fdew point 65°F
  3. Noon80°Fdew point 65°F
  4. 3 pm80°Fdew point 65°F
  5. 6 pm75°Fdew point 65°F
  6. 9 pm72°Fdew point 65°F

NOAA hourly normals (local standard time) from Kahului Airport (10 mi away); average wind 11 mph; clear or few clouds in 47% of daytime hours, mostly cloudy or overcast in 18%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph11 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more12 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in4 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 2.8 in; a dry December brings about 1.0 in and a wet one about 3.4 in (25th and 75th percentiles). About 1 day brings 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 87°F
  • Coolest December2007: average high 79°F
  • Wettest December1996: 10.2 in
  • Driest December2005: 0.1 in
  • Highest reading90°F (December 29, 2020)
  • Lowest reading55°F (December 7, 2010)

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 high86°F83°F82°F
Normal low68°F66°F64°F
Wet days9108
Comfortable days015
Daylight11.2 h10.9 h11.0 h

Highs change by -3°F from November and -1°F into January.

Nearby alternatives in December

How Kihei ranks in December

  • Normal high1st warmest of 378 cities; 1st of 7 in Hawaii
  • Wet days225th driest of 378
  • Comfortable days208th most of 340

What to pack for Kihei in December

  • A rain jacket or umbrella – rain on about 10 days
  • A swimsuit – about 11 beach days

Heating and cooling

December has 0 heating degree days and 298 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How hot is Kihei in December?

The normal high is 83°F and the normal low is 66°F. From 1991 to 2020 the hottest December reading was 90°F (most recently on December 29, 2020).

Does it rain a lot in Kihei in December?

About 10 days in December have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest December in 1991-2020 was in 1996 (10.2 in); the driest was in 2005 (0.1 in).

Is December a good time to visit Kihei?

December ranks 9th of 12 months on our comfort score for Kihei (48 out of 100). It has about 1 comfortable day. The best months are February, May and June.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Kahului Airport (USW00022516), 10 mi N of the city center, 51 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Kihei 311 (USC00514489), 2.6 mi NNE of the city center, 158 ft (147 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Kahului Airport (911900-22516), 9.3 mi N of the city center, 46 ft . Hourly observations, 1991-2020.