The summary climate graph for Honolulu, HI shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.
The warmest month in Honolulu International, Honolulu, Hawaii is August with an average high temperature of 88.0°F. The hottest day on record was August 5 2003 when the temperature hit 96.1°F. During January the overnight temperature drops to an average of 65.9°F with the lowest temperature of 52.0°F being recorded on December 31 1990.
The warmest days on record are:
| 5 Aug 2003 | 96.1°F |
| 26 Nov 2005 | 96.1°F |
| 20 Sep 1994 | 95°F |
| 7 Oct 1984 | 93.9°F |
| 8 Sep 1986 | 93.9°F |
The warmest months on average were:
| August 1987 | 91.3°F |
| August 1994 | 91.2°F |
| September 1987 | 91°F |
| September 1994 | 90.9°F |
| August 2005 | 90.9°F |
The coldest days on record are:
| 31 Dec 1990 | 52°F |
| 20 Jan 1969 | 52.3°F |
| 9 Feb 1981 | 52.9°F |
| 12 Feb 1983 | 52.9°F |
| 1 Feb 1998 | 53.2°F |
The coldest months on average were:
| February 1983 | 60.2°F |
| February 1987 | 61°F |
| February 1986 | 61.2°F |
| January 1969 | 61.5°F |
| January 1985 | 61.6°F |
The wettest month by average rainfall in Honolulu, HI is January with an average of 3.5 inches of rain falling on 5 to 6 days.Although in December it typically rains on more days with 3.5 inches falling in 6 to 7 days. The driest month by average rainfall in Honolulu, HI is June with an average of 0.4 inches of rain falling on 5 to 6 days. Although in August it typically rains on less days with 0.6 inches falling in 4 to 5 days
The wettest days on record are:
| 30 June 1967 | 2 inches |
| 24 June 1986 | 2 inches |
| 29 June 1974 | 1.8 inches |
| 16 June 1980 | 1.1 inches |
| 6 June 2001 | 1 inches |
The wettest months on record are:
| March 1951 | 20.9 inches |
| December 1987 | 19.1 inches |
| November 1996 | 18.8 inches |
| December 1973 | 16.1 inches |
| January 1982 | 15.2 inches |
The driest months on record are:
| July 1939 | 0 inches |
| August 1939 | 0 inches |
| September 1939 | 0 inches |
| October 1939 | 0 inches |
| November 1939 | 0 inches |