Climateby Month

Kailua-Kona, HI weather in January

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

Expect warm, mostly dry weather in Kailua-Kona in January, with highs near 81°F and lows near 69°F. Rain falls on about 4 days.

Normal high
81°F
Normal low
69°F
Wet days
4
1.5 in total
Daylight
11.1 h

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high82°F81°F
Normal low69°F68°F
Chance of a wet day12%12%
Sunrise / sunset6:58 am / 5:56 pm6:59 am / 6:15 pm
Daylight11.0 h11.3 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)7 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)26 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 January, counted from daily records for each year 1991-2020.

Rain in January

Normal precipitation is 1.5 in; a dry January brings about 0.3 in and a wet one about 2.0 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.

How January varies from year to year

  • Warmest January, 1991-20202006: average high 83°F
  • Coolest January2000: average high 80°F
  • Wettest January2004: 4.9 in
  • Driest January2001: no measurable precipitation
  • Highest reading88°F (January 21, 2017)
  • Lowest reading60°F (January 23, 2014)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

January compared with December and February

DecemberJanuaryFebruary
Normal high82°F81°F82°F
Normal low70°F69°F68°F
Wet days443
Comfortable days377
Daylight11.0 h11.1 h11.5 h

Highs change by -1°F from December and +1°F into February.

How Kailua-Kona ranks in January

  • Normal high2nd warmest of 378 cities; 2nd of 7 in Hawaii
  • Wet days19th driest of 378

What to pack for Kailua-Kona in January

  • A swimsuit – about 26 beach days

Heating and cooling

January has 0 heating degree days and 310 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Kailua-Kona in January?

The normal high is 81°F and the normal low is 69°F. From 1991 to 2020 the hottest January reading was 88°F (January 21, 2017).

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

About 4 days in January have at least 0.01 in of precipitation, and the normal total is 1.5 in. The wettest January in 1991-2020 was in 2004 (4.9 in); the driest was in 2001, with no measurable precipitation.

Is January a good time to visit Kailua-Kona?

January ranks 2nd of 12 months on our comfort score for Kailua-Kona (57 out of 100). It has about 7 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).