Over the course of the year, the temperature in Honolulu typically varies from 68°F to 87°F and is rarely below 63°F or above 89°F. The hot season lasts for 111 days, from June 26 to October 15, with an average daily high temperature above 85°F. The hottest day of the year is August 23, with an average high of 87°F and low of 76°F.