20-Year Climate Average
Maui, Hawaii, United States Weather in August
Normal High
85°F
Normal Low
75°F
Rainy Days
~7 of the month
Chance of Rain
23%
Humidity
67%
UV index
Not available
Daylight
12.8 hours
Peak wind
17 mph
Usually good for: beaches and outdoor dining, outdoor events.
Based on August climate records from 2006–2025 (Open-Meteo Historical Weather Archive). These are planning averages, not a forecast. Data: Open-Meteo.com, CC BY 4.0.
Current conditions
Forecast versus the climate baseline
77°F
It currently feels like 81°F with 73% humidity, a 67°F dew point and 5 mph wind. Climate averages describe the month; this live reading is what matters for plans today.
82° / 75° · 41% rain
90° / 75° · 39% rain
88° / 76° · 93% rain
Best Months to Visit Maui, Hawaii, United States
Ranked by historical rainy-day frequency — the driest months over the past 20 years.
Methodology
Monthly values use the 2001–2020 observation period. Temperature, precipitation, humidity or dew point, wind, UV and daylight are shown only when the selected source provides them; unavailable fields are never estimated or silently replaced. These are planning normals, not guarantees for a specific trip.
What is the weather like in Maui, Hawaii, United States in August?
The 20-year average high in Maui, Hawaii, United States in August is 85°F, with a low around 75°F and about 7 rainy days.