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Hawaii weather in August

Planning a getaway to Hawaii this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What is the weather like in Hawaii in August?

Hawaii is a region in the United States of America. August in Hawaii generally has temperatures that range from warm to very warm, with precipitation levels ranging from low to heavy.

During the day the temperature is warm in Volcano at 24°C and very warm in Maalaea at 30°C. As night falls, temperatures generally drop to 23°C in Maalaea and 18°C in Volcano. On average, August is the warmest month of the year in Hawaii. So be prepared and pack summer clothes.

In August, precipitation varies across different areas. From low rainfall in Maunaloa with an average of 9.3 mm to heavy rainfall in Captain Cook with 662 mm. The city Kihei usually sees around 285 hours of sunlight, indicating many sunny days.

For specific regional insights in Hawaii for August, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Hawaii climate page.

Where to go in Hawaii in August

Find the average weather conditions in August for the most popular destinations in Hawaii on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Hawaii

What is the weather like in August for the 5 most popular destinations in Hawaii?

Average weather in Kihei

In August Kihei generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 23°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Kihei
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
23°C 
294 hours 
30 mm 
10 days 
30°C 
23°C 
285 hours 
32 mm 
9 days 
30°C 
23°C 
271 hours 
29 mm 
8 days 
Climate in Kihei

Average weather in Lahaina

In August Lahaina generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are perfect that month.

Lahaina
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
28°C 
24°C 
294 hours 
10 mm 
9 days 
29°C 
24°C 
285 hours 
13 mm 
9 days 
29°C 
24°C 
271 hours 
12 mm 
8 days 
Climate in Lahaina

Average weather in Honolulu

In August Honolulu generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are perfect that month.

Honolulu
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
28°C 
24°C 
306 hours 
21 mm 
9 days 
29°C 
24°C 
303 hours 
23 mm 
8 days 
29°C 
24°C 
279 hours 
24 mm 
9 days 
Climate in Honolulu

Average weather in Princeville

In August Princeville generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 24°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Princeville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
27°C 
23°C 
260 hours 
49 mm 
19 days 
28°C 
24°C 
263 hours 
49 mm 
17 days 
28°C 
24°C 
242 hours 
49 mm 
16 days 
Climate in Princeville

Average weather in Koloa

In August Koloa generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 24°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Koloa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
27°C 
23°C 
260 hours 
42 mm 
19 days 
28°C 
24°C 
263 hours 
45 mm 
17 days 
28°C 
24°C 
242 hours 
46 mm 
16 days 
Climate in Koloa

Is your destination not in the list? Have a look at other destinations in Hawaii, in the United States of America.

Is August the best time to visit Hawaii?

In our opinion, August may not be the ideal time to visit Hawaii due to the typically pleasant weather in Kihei.

Generally speaking, the best visiting conditions can be found in January, February, March, April, May, June, July, September, October, November and December offering mostly perfect weather in Kihei.

Interested in more climate information?

We have much more information about the climate in Hawaii. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.