Kahului Weather in August
In Kahului, August brings high daytime temperatures around 29°C (84°F), with nights cooling to 24°C (75°F). Some rainfall is to be expected.
Rainfall in Kahului in August
Climate statistics over the past 30 years suggest around 8 days of rain, with 41 mm (1.6 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Kahului in August
Weather in Kahului is at its perfect in August. Highs reach 29°C (84°F), while nights settle around 24°C (75°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding. On average, it is the warmest month of the year.
Sunshine in Kahului in August
Enjoy a sunny month with about 285 hours of sunshine, the clear skies make Kahului even more beautiful.
Wind Speed in Kahului in August
Average wind conditions reach 6 m/s (12 knots) in August. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.
Average water temperature in August
The water temperature is 26°C (79°F), which most people find very comfortable. A good month for swimming and water sports.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Kahului's climate page.
Kahului Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Water Temperature
26°C (79°F)
Chance of Rain
26%
Precipitation
41 mm (1.6 in)
Rainy days
8 days
Humidity
69%
Windspeed
6 m/s (12 knots)
Sunshine
285 hours
Percentage Sunshine
72%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kahului typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Kahului in August
Browse day-by-day weather records for Kahului spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kahului historical weather extremes in August
According to our 49 years of weather records for Kahului, the following extremes were recorded between 1976 and 2025.
- The warmest day in August was on August 22, 2015, with a maximum of 36°C (97°F).
- On August 25, 2024, Kahului saw its coldest August day with temperatures maxing out at 24°C (75°F).
- The coldest night in August in Kahului was on August 30, 2022, with a minimum of 16°C (61°F).
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in Kahului in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Kahului in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Kahului's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Kahului climate overview or explore weather in the United States of America.
