Kihei, Maui weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: January – December
What is the weather like in Kihei, Maui in August?
In August, Kihei, Maui is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 26.4 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is rare: about 3 days bring 14 mm in total. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Kihei, Maui.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 99 | 98 | 96 |
| Day | 29° | 29° | 29° |
| Night | 24° | 24° | 24° |
| Sea | 26° | 26° | 27° |
| Sun | 9 h | 9 h | 8 h |
| Rain days | 2 | 3 | 2 |
More details for August
- Daylight
- 12 h 52 min06:05 – 18:57
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 37 %on average
- Hot days
- 6 days30 °C or more
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %92 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Kihei, Maui in August: quick answers
Is Kihei, Maui hot in August?
Yes. In August, Kihei, Maui is hot: daytime highs average 29 °C and nights stay around 24 °C. On about 6 days the thermometer climbs to 30 °C or more.
Can you swim in Kihei, Maui in August?
Yes. In August the sea averages 26.4 °C – lovely and warm for swimming.
Does it rain much in Kihei, Maui in August?
Rain is rare: about 3 days bring 14 mm in total.
Kihei, Maui month by month
The whole year in Kihei, MauiAll destinations: USAHawaii weather in AugustWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)