Honolulu weather in August

August in Honolulu averages 89°F by day and 76°F at night, with 0.8 inches of precipitation. It is the 1st-warmest and 8th-wettest month of the year here.

HonoluluHawaiiPop. 341,868
Average high
89°F+1° vs July
Average low
76°F0 nights below freezing
Precipitation
0.8 in1 days with 0.1 in. or more
Snow
0.0 in10 days at 90°F+

Is August a good time to visit Honolulu?

August is hot. Average highs reach 89°F, with about 10 days at 90°F or more. The most comfortable months overall are November to May.

On August 15 the sun rises at 6:10 am and sets at 7:01 pm, giving 12h 51m of daylight. Daylight all year.

What to pack for Honolulu in August

  • Light, breathable clothes, a hat and sunscreen; carry water

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

August nearby

CityDistanceHighLowPrecip.
Honolulu89°F76°F0.8 in
Daly City, CA2391 mi64°F55°F0.1 in
Santa Rosa, CA2395 mi83°F53°F0.0 in
San Francisco, CA2395 mi68°F56°F0.1 in
San Mateo, CA2395 mi73°F56°F0.0 in
Redwood City, CA2397 mi81°F57°F0.0 in
Richmond, CA2402 mi72°F56°F0.1 in

Frequently asked questions

What is the weather like in Honolulu in August?

In August, Honolulu averages a high of 89°F and a low of 76°F, with 0.8 inches of precipitation (NOAA 1991-2020 normals).

Is August a good time to visit Honolulu?

August is hot in Honolulu, with average highs of 89°F. Plan outdoor time for mornings and evenings.

Does it snow in Honolulu in August?

Rarely. The August snowfall normal is under half an inch.

Before and after: Honolulu in July and Honolulu in September. All twelve months: Honolulu weather by month.

NOAA NCEI 1991-2020 climate normals, station Honolulu Intl. Airport, HI, 4.7 miles from the city center; snowfall from Waikiki 717.2, HI.