Climateby Month

Honolulu, HI climate by month

NOAA 1991-2020 normals · 19 ft elevation

Honolulu is warm and humid year-round, with normal highs between 81°F in January and 89°F in August. Wet days are spread through the year, from about 6 to 9 a month. The most comfortable time to visit is February, March and June.

Warmest month
89°F
August normal high
Coldest month
67°F
January normal low
Wet days a year
89
16.4 in of precipitation
Muggy days a year
212
dew point 65°F or higher

How warm is Honolulu?

Normal highs range from 81°F in January to 89°F in August.

60°70°80°90° January: normal high 81°F (27°C), low 67°F (19°C) 81° 67° February: normal high 81°F (27°C), low 67°F (19°C) March: normal high 81°F (27°C), low 68°F (20°C) April: normal high 83°F (28°C), low 70°F (21°C) May: normal high 85°F (29°C), low 72°F (22°C) June: normal high 87°F (31°C), low 74°F (23°C) July: normal high 88°F (31°C), low 75°F (24°C) August: normal high 89°F (32°C), low 76°F (24°C) 89° 76° September: normal high 88°F (31°C), low 75°F (24°C) October: normal high 87°F (31°C), low 74°F (23°C) November: normal high 84°F (29°C), low 72°F (22°C) December: normal high 82°F (28°C), low 69°F (21°C) JFMAMJJASOND

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

How rainy is Honolulu?

December has the most wet days (about 9); the year brings about 16 in of precipitation.

January: 8 wet days February: 8 wet days March: 9 wet days April: 8 wet days May: 6 wet days June: 6 wet days July: 7 wet days August: 6 wet days 6 September: 7 wet days October: 8 wet days November: 9 wet days December: 9 wet days 9 JFMAMJJASOND

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

How humid is Honolulu?

Muggy days peak in September, at about 27 days.

January: 10 muggy days February: 8 muggy days 8 March: 9 muggy days April: 10 muggy days May: 15 muggy days June: 20 muggy days July: 25 muggy days August: 27 muggy days September: 27 muggy days 27 October: 27 muggy days November: 21 muggy days December: 14 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Honolulu International Airport, 5.3 mi WNW of the city center.

How much daylight?

Daylight ranges from about 10.9 hours in December to 13.4 hours in June.

January: 11.0 hours of daylight February: 11.4 hours of daylight March: 12.0 hours of daylight April: 12.7 hours of daylight May: 13.2 hours of daylight June: 13.4 hours of daylight 13.4 July: 13.3 hours of daylight August: 12.8 hours of daylight September: 12.3 hours of daylight October: 11.7 hours of daylight November: 11.1 hours of daylight December: 10.9 hours of daylight 10.9 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Honolulu, 1991-2020
MonthHighLowPrecip.Wet daysMuggy daysDaylight
January 81°F67°F 1.8 in8 10 11.0 h
February 81°F67°F 1.9 in8 8 11.4 h
March 81°F68°F 2.4 in9 9 12.0 h
April 83°F70°F 0.8 in8 10 12.7 h
May 85°F72°F 0.8 in6 15 13.2 h
June 87°F74°F 0.5 in6 20 13.4 h
July 88°F75°F 0.5 in7 25 13.3 h
August 89°F76°F 0.8 in6 27 12.8 h
September 88°F75°F 0.9 in7 27 12.3 h
October 87°F74°F 1.5 in8 27 11.7 h
November 84°F72°F 2.3 in9 21 11.1 h
December 82°F69°F 2.2 in9 14 10.9 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 Honolulu

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

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 54530
Feb 57630
Mar 56430
Apr 54120
May 54021
Jun 54012
Jul 50017
Aug 470110
Sep 46029
Oct 47033
Nov 48030
Dec 49230

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. How the score works.

Frost dates in Honolulu

Honolulu is frost-free: NOAA's 1991-2020 normals record no nights at 32°F or below at Honolulu Intl Airport.

Station: Honolulu Intl Airport (USW00022521), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Hawaii.

Hottest and coldest readings, 1991-2020

The highest reading was 95°F (August 31, 2019); the lowest was 53°F (January 31, 1998).

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

Near Honolulu

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 4.7 mi WNW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Beretania Pump Stn 705 (USC00510211), 0.3 mi E of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Honolulu International Airport (911820-22521), 5.3 mi WNW of the city center, 6 ft . Hourly observations, 1991-2020.

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