Honolulu Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Honolulu, Hawaii during each month of the year.

The average high and low temperatures are listed below monthly and annually for Honolulu, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 80 or 90 °F each month in Honolulu, scroll down farther. There are also monthly and yearly counts of nights with warm temperatures.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Honolulu, 2010 to 2019
High °F Low °F   High °C Low °C
81 67 January 27 20
81 68 February 27 20
81 68 March 27 20
83 71 April 28 21
85 72 May 29 22
86 74 June 30 23
88 75 July 31 24
88 76 August 31 24
88 75 September 31 24
87 74 October 30 23
84 72 November 29 22
82 70 December 28 21
84 72 Year 29 22
30-year temperature averages for Honolulu, 1991 to 2020
High °F Low °F   High °C Low °C
81 67 January 27 19
81 67 February 27 20
81 68 March 27 20
83 70 April 28 21
85 72 May 29 22
87 74 June 31 23
88 75 July 31 24
89 76 August 32 24
88 75 September 31 24
87 74 October 31 23
84 72 November 29 22
82 69 December 28 21
85 72 Year 29 22

Days of Hot Weather in Honolulu

Well over half the days from December to March in Honolulu have temperatures reaching at least 80 degrees Fahrenheit. Most nights then cool down to below 70, but no less than 50 degrees. Indeed only four nights a year on average have a low temperature of 60 °F or less.

From May to October in Honolulu, daytime highs are consistently above 79 °F, and occasionally get into the 90s. Ninety-degree weather is mostly likely to happen in August and September. Seldom then do the nights have temperatures lower than 70 degrees.

Days per month in Honolulu of at least 80 or 90 °F
  80 °F
27 °C
90 °F
32 °C
January 21 0
February 20 0
March 24 0
April 28 0
May 30 1
June 30 2
July 31 7
August 31 10
September 30 9
October 31 3
November 29 0
December 26 0
Year 330 32
Average number of days monthly in Honolulu that drop to 60 or 70 °F or below
  60 °F
16 °C
70 °F
21 °C
January 2 26
February 1 24
March 1 24
April 0 16
May 0 10
June 0 1
July 0 1
August 0 1
September 0 1
October 0 3
November 0 9
December 0 19
Year 4 133
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Hawaii Temperatures
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