Climateby Month

Kailua-Kona, HI climate by month

NOAA 1991-2020 normals · 54 ft elevation

Kailua-Kona is warm year-round, with normal highs between 81°F in January and 87°F in August. Wet days are spread through the year, from about 3 to 6 a month. By our comfort score the best months are January, February and March.

Warmest month
87°F
August normal high
Coldest month
68°F
February normal low
Wet days a year
57
16.9 in of precipitation
Hot days a year
7
90°F or hotter

How warm is Kailua-Kona?

Normal highs range from 81°F in January to 87°F in August.

60°70°80°90° January: normal high 81°F (27°C), low 69°F (21°C) 81° 69° February: normal high 82°F (28°C), low 68°F (20°C) March: normal high 82°F (28°C), low 70°F (21°C) April: normal high 83°F (28°C), low 71°F (22°C) May: normal high 84°F (29°C), low 73°F (23°C) June: normal high 85°F (29°C), low 74°F (23°C) July: normal high 86°F (30°C), low 75°F (24°C) August: normal high 87°F (31°C), low 76°F (24°C) 87° 76° September: normal high 87°F (31°C), low 75°F (24°C) October: normal high 86°F (30°C), low 75°F (24°C) November: normal high 84°F (29°C), low 72°F (22°C) December: normal high 82°F (28°C), low 70°F (21°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Kailua-Kona?

May has the most wet days (about 6); the year brings about 17 in of precipitation.

January: 4 wet days February: 3 wet days 3 March: 5 wet days April: 4 wet days May: 6 wet days 6 June: 6 wet days July: 5 wet days August: 5 wet days September: 6 wet days October: 4 wet days November: 4 wet days December: 4 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How humid is Kailua-Kona?

Humidity data is not available for this location.

How much daylight?

Daylight ranges from about 11.0 hours in December to 13.3 hours in June.

January: 11.1 hours of daylight February: 11.5 hours of daylight March: 12.0 hours of daylight April: 12.6 hours of daylight May: 13.1 hours of daylight June: 13.3 hours of daylight 13.3 July: 13.2 hours of daylight August: 12.8 hours of daylight September: 12.3 hours of daylight October: 11.7 hours of daylight November: 11.2 hours of daylight December: 11.0 hours of daylight 11.0 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Kailua-Kona, 1991-2020
MonthHighLowPrecip.Wet daysDaylight
January 81°F69°F 1.5 in4 11.1 h
February 82°F68°F 1.1 in3 11.5 h
March 82°F70°F 1.4 in5 12.0 h
April 83°F71°F 1.2 in4 12.6 h
May 84°F73°F 1.4 in6 13.1 h
June 85°F74°F 1.4 in6 13.3 h
July 86°F75°F 1.2 in5 13.2 h
August 87°F76°F 1.8 in5 12.8 h
September 87°F75°F 1.8 in6 12.3 h
October 86°F75°F 1.5 in4 11.7 h
November 84°F72°F 0.9 in4 11.2 h
December 82°F70°F 1.6 in4 11.0 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Kailua-Kona

By our comfort score, the best months are January, February and March.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 57720
Feb 60720
Mar 57530
Apr 54230
May 54130
Jun 53030
Jul 53031
Aug 50032
Sep 48042
Oct 49031
Nov 49020
Dec 52320

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. Comfortable days here are judged by temperature only (no humidity station nearby). How the score works.

Frost dates in Kailua-Kona

Kailua-Kona is frost-free: NOAA's 1991-2020 normals record no nights at 32°F or below at Kailua Kona Ke-Ahole Airport.

Station: Kailua Kona Ke-Ahole Airport (USW00021510), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Hawaii.

Hottest and coldest readings, 1991-2020

The highest reading was 96°F (September 25, 2015); the lowest was 59°F (February 10, 2019).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Kailua-Kona

Similar climates elsewhere

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).

Distances from the city center (USGS). Methodology · Report an error