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Weather in August in The Big Island

Are you planning a trip a to The Big Island in August and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in The Big Island in August?

The Big Island is a region in the United States of America. August in The Big Island generally has warm temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum temperatures are warm and range from 24°C in Volcano to 28°C in Hapuna Beach. Nighttime temperatures generally drop to 21°C in Hapuna Beach and 18°C in Volcano.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Hawi with an average of 32 mm to heavy rainfall in Captain Cook with 662 mm.

Average sunshine

The days are mostly sunny, with an average total of around 280 hours of sunshine in Kailua-Kona. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

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

Where to go in The Big Island in August

Find more information for the most popular destinations in the The Big Island on the map below. Click on a destination dot for more detailes.

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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

What is the weather like in August for the 5 most popular destinations in The Big Island?

Kailua-Kona

In August Kailua-Kona generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are poor that month.

Kailua-Kona
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
<<  
25°C 
21°C 
290 hours 
432 mm 
19 days 
poor 
26°C 
22°C 
280 hours 
422 mm 
18 days 
poor 
26°C 
22°C 
260 hours 
356 mm 
16 days 
poor 
Climate in Kailua-Kona

Waikoloa

In August Waikoloa generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.

Waikoloa
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 
20°C 
290 hours 
327 mm 
20 days 
poor 
27°C 
20°C 
280 hours 
341 mm 
19 days 
poor 
27°C 
20°C 
260 hours 
296 mm 
17 days 
poor 
Climate in Waikoloa

Hapuna Beach

In August Hapuna Beach generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are poor that month.

Hapuna Beach
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 
20°C 
290 hours 
258 mm 
20 days 
28°C 
21°C 
280 hours 
272 mm 
19 days 
poor 
28°C 
21°C 
260 hours 
238 mm 
17 days 
Climate in Hapuna Beach

Kaupulehu

In August Kaupulehu generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are poor that month.

Kaupulehu
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
<<  
26°C 
22°C 
290 hours 
347 mm 
19 days 
poor 
27°C 
22°C 
280 hours 
345 mm 
18 days 
poor 
26°C 
22°C 
260 hours 
302 mm 
16 days 
poor 
Climate in Kaupulehu

Kalaoa

In August Kalaoa generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are poor that month.

Kalaoa
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
<<  
25°C 
21°C 
290 hours 
408 mm 
19 days 
poor 
26°C 
22°C 
280 hours 
400 mm 
18 days 
poor 
26°C 
22°C 
260 hours 
349 mm 
16 days 
poor 
Climate in Kalaoa

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

Is August the best time to visit The Big Island?

In our opinion, August may not be the ideal time to visit The Big Island due to the typically poor weather in Kailua-Kona.

On average, the best time to visit The Big Island is in January, February and December with generally pleasant weather in Kailua-Kona. On the other hand, the months of April, May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in The Big Island. 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 travel conditions. Find out where to go with our weather planner.