Honolulu Temperatures: Averages by Month

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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.

All the numbers are averages, based on climate data gathered from 1981 to 2010.

Average Honolulu temperatures
High °F Low °F   High °C Low °C
80 66 January 27 19
80 66 February 27 19
81 68 March 27 20
83 69 April 28 21
85 71 May 29 22
87 73 June 31 23
88 75 July 31 24
89 75 August 32 24
89 74 September 31 24
87 73 October 30 23
84 71 November 29 22
81 68 December 27 20
84 71 Year 29 22

Days of Hot Weather in Honolulu

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 six nights a year on average have a low temperature cooler than 60.

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   17   0
February   16   0
March   22   0
April   26   0
May   30   0
June   30   1
July   31   3
August   31   7
September   30   6
October   31   2
November   28   0
December   22   0
Year 312 19
Average number of days monthly in Honolulu that stay above 60 or 70 °F
  60 °F
16 °C
70 °F
21 °C
January   29     6
February   26     5
March   30     7
April   30   13
May   31   21
June   30   28
July   31   30
August   31   30
September   30   29
October   31   28
November   30   21
December   30   11
Year 359 229
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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