Oahu in the United States of America sees its peak temperatures in August (29°C (84°F)) and its coolest in February (24°C (75°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Honolulu, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Oahu offers pleasant conditions in January, February, March, April, May, November and December, with temperatures typically ranging from 25°C (77°F) to 27°C (81°F).
When it comes to rainfall, Oahu maintains fairly consistent rainfall patterns throughout the year, with December seeing 55 mm (2.2 in) and July receiving 20 mm (0.8 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for July, when daylight hours are at their peak.