Honolulu

Oahu Weather & Climate: the United States of America

Climate by month across Oahu, the United States of America, average temperatures, rainfall and the best time to visit.

Climate overview of Oahu

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.

Explore Oahu by month

Pick a month to see the average temperature, rainfall and sunshine in Oahu — and find the best time to visit. (based on Honolulu)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Honolulu Kahuku Kapolei Laie
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Oahu

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Honolulu 25°C (77°F) 29°C (84°F) 21°C (70°F) 24°C (75°F) 426 mm (17 in) 3,036 hours
Kahuku 25°C (77°F) 28°C (82°F) 21°C (70°F) 24°C (75°F) 534 mm (21 in) 3,036 hours
Kapolei 25°C (77°F) 28°C (82°F) 21°C (70°F) 25°C (77°F) 377 mm (15 in) 3,036 hours
Laie 25°C (77°F) 28°C (82°F) 21°C (70°F) 24°C (75°F) 538 mm (21 in) 3,036 hours

Places in Oahu, the United States of America

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Cities

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Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.