Month guide · Honolulu · United States
Honolulu in August
What August is really like in Honolulu: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: DoD photo by: PH3(AW/SW) JAYME PASTORIC, USN, Public domain
Quick answer
August is a quieter month with trade-offs. Expect average highs of 32°C (90°F), lows of 24°C (75°F), about 5 rainy days and roughly 12.9 hours of daylight. The hottest month, humid when the trade winds drop; the sea is at its warmest.
Key facts
- Average high / low
- 32°C (90°F) / 24°C (75°F)
- Rainy days
- About 5
- Daylight
- About 12.9 hours
- Sea temperature
- 27°C (81°F)
- Crowds
- Busy
- Hotel prices
- High
Weather in August
August is the warmest month in Honolulu: days average 32°C (90°F) against a yearly average high of 29°C (84°F), and nights fall to about 24°C (75°F). Rain falls on roughly 5 of its 31 days. Compared with July (31°C (88°F)), August is about as warm; by September highs stay near 31°C (88°F).
- Sunrise (15 August)
- About 06:10
- Sunset (15 August)
- About 19:02
- Daylight
- About 12.9 hours
- Sea
- 27°C (81°F)
Summer (June–August). The hottest, driest months, with calm North Shore water and surf on the south shore; busy with families, with high hotel prices in July.
Crowds and prices
On a 1–5 scale, August rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in July). Book accommodation early: August is one of the pricier months.
Events in August
- Duke's OceanFest ocean-sports festival in Waikīkī (usually late August)
- Statehood Day (third Friday of August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
Mild, settled days suit walking, viewpoints and time outdoors.

Museum · Kalihi
Bishop Museum
Founded in 1889 in memory of Princess Bernice Pauahi Bishop, the state museum of natural and cultural history holds the world's largest collection of Hawaiian and Pacific artefacts.
- Time needed
- 3 hours
- Cost
- Mid-priced
- History
- Rainy day
- Kids
- Art
Neighbourhood · Chinatown
Chinatown
Buy a fresh lei on Maunakea Street for a fraction of the hotel price, then walk to Foster Botanical Garden nearby.
- Time needed
- 2 hours
- Cost
- Free
- Free
- Food
- History
- Shopping
- After dark
Museum · Makiki
Honolulu Museum of Art
Founded in 1922, the museum's galleries open onto calm courtyards and cover Asian art, including thousands of Japanese woodblock prints, Hawaiian art and European works such as Monet's Water Lilies and van Gogh's Wheat Field.
- Time needed
- 2 hours
- Cost
- Mid-priced
- Art
- Rainy day
- Off the beaten path
Neighbourhood · Kakaʻako
Kakaʻako street murals
Walk the side streets around Auahi and Pohukaina streets in the morning light, then stop at the SALT at Our Kakaʻako block for coffee.
- Time needed
- 1.5 hours
- Cost
- Free
- Free
- Art
- Photo spot
- Off the beaten path
The sea averages 27°C (81°F) — warm enough to swim. Best beaches near Honolulu.
What to pack
For highs near 32°C, lows near 24°C and 5 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; comfortable walking shoes.
Is August a good time to visit Honolulu?
A quieter month with trade-offs, with 2 notable events on the calendar. If your dates are flexible, April–May and September–October are better overall. Compare every month.
Honolulu in other months
Questions travellers ask
+Is August a good time to visit Honolulu?
It is a quieter month with trade-offs. The hottest month, humid when the trade winds drop; the sea is at its warmest.
+How warm is Honolulu in August?
Average highs are around 32°C (90°F) and lows around 24°C (75°F).
+Does it rain a lot in Honolulu in August?
Expect rain on about 5 days of the month.