The best time for visiting Honolulu is in the months prior to winter, that is, from September to November. At this time, the hotel rates, airline prices and even the temperatures are mild. Generally, the temperature of Honolulu temperatures doesn’tclimb more than the low 80s in the winter (it is the island's peak surfing and tourist season).However, if you do not mind a little humidity, you can probably find a much affordable good deal in the summer months between May to August.