Honolulu in August
Hot and still busy
By Daan · Last reviewed October 2026
The short answer
August is a reasonable month in Honolulu — with trade-offs.
August is the warmest month, with summer crowds thinning toward the end.
August in detail
What August actually feels like
- Weather
- 24–32°C
- Warm and dry, the warmest month.
- Crowds
- Moderate–High
- Busy early, easing late in the month.
- Prices
- $$$
- Rates ease late in the month.
+Warmest sea of the year.
–Summer crowds linger.
My tip for August
Late August is calmer than early August.
- Beach
- Snorkeling
How August compares
Against the other eleven months
5th of 12 overall in Honolulu, 1st for weather, 6th for space, 6th for value. The emptiest month is September; the best value is May.
See all twelve months for HonoluluPlan around
What’s on in Honolulu in August
- Summer family season
- School holidays fill Waikiki and push prices up again.
- Hurricane season
- Direct hits are rare, but check forecasts if a storm is tracking toward Hawaii.
June–August
June–November
Not set on August?
Even stronger months in Honolulu
Also good in August
Weather
Weather in Honolulu in August
In August Honolulu averages a high of 32°C (90°F) and a low of 24°C (75°F), with about 21 mm of rain or snow over 6 wet days. The warmest month is August (around 32°C) and the coolest is January (around 27°C); the wettest month is March.
- Average high
- 32°C
- 90°F
- Average low
- 24°C
- 75°F
- Precipitation
- 21 mm
- Wet days
- 6
Climate data: NOAA (Honolulu International Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
Honolulu in August: the questions people ask
- Is August a good time to visit Honolulu?
- August is a reasonable month in Honolulu — with trade-offs. It ranks 5 of 12 months in Honolulu overall (1 for weather, 6 for space, 6 for value). The main upside: Warmest sea of the year. The main downside: Summer crowds linger.
- What is the weather like in Honolulu in August?
- Average highs are around 32°C and lows around 24°C. Expect about 21 mm of rain or snow over roughly 6 wet days. Warm and dry, the warmest month. For comparison, the warmest month is August (around 32°C) and the coolest is January (around 27°C).
- Is Honolulu crowded in August?
- Crowds are moderate–high. Busy early, easing late in the month. The quietest month is September.
- How expensive is Honolulu in August?
- Prices are at level 3 of 5 ($$$). Rates ease late in the month. The best-value month is May.
- When is the best time to visit Honolulu?
- In the CrowdFreeViews month scores, September is the best month overall (August ranks 5 of 12). The quietest month is September and the best value is May.