Honolulu

Hawaii Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Hawaii, the United States of America in August.

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Kihei Lahaina Honolulu Princeville

Planning a getaway to Hawaii, the United States of America 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 to Expect in Hawaii in August

Hawaii, the United States of America 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.

Temperatures

During the day the temperature is warm in Volcano at 24°C (75°F) and very warm in Maalaea at 30°C (86°F). As night falls, temperatures generally drop to 23°C (73°F) in Maalaea and 18°C (64°F) in Volcano. On average, August is the warmest month of the year in Hawaii, the United States of America. So be prepared and pack summer clothes.

To explore the conditions in Hawaii, the United States of America in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Maunaloa with an average of 9.3 mm (0.4 in) to heavy rainfall in Captain Cook with 662 mm (26 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Kihei sees close to 285 hours of sunlight, making it great for sun lovers.

Explore Hawaii by month

Pick a month to see the average temperature, rainfall and sunshine in Hawaii — and find the best time to visit. (based on Kihei)

January26°C (79°F) February26°C (79°F) March26°C (79°F) April27°C (81°F) May28°C (82°F) June29°C (84°F) This monthJuly30°C (86°F) August30°C (86°F) September30°C (86°F) October29°C (84°F) November28°C (82°F) December27°C (81°F)
Best Time to Visit Hawaii →

Best Places to Visit in Hawaii in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hawaii.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Hawaii

What is the weather like in August for some of the most popular destinations in Hawaii, the United States of America?

Temperature range in Hawaii (August)

Precipitation variation in Hawaii (August)

Kihei

In August Kihei generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
294 hours
285 hours
271 hours
Monthly rainfall
30 mm (1.2 in)
32 mm (1.3 in)
29 mm (1.1 in)
Monthly rainy days
10 days
9 days
8 days
Weather conditions
perfect
pleasant
perfect
Climate in Kihei →

Lahaina

In August Lahaina generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
294 hours
285 hours
271 hours
Monthly rainfall
10 mm (0.4 in)
13 mm (0.5 in)
12 mm (0.5 in)
Monthly rainy days
9 days
9 days
8 days
Weather conditions
perfect
perfect
perfect
Climate in Lahaina →

Honolulu

In August Honolulu generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
306 hours
303 hours
279 hours
Monthly rainfall
21 mm (0.8 in)
23 mm (0.9 in)
24 mm (0.9 in)
Monthly rainy days
9 days
8 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Honolulu →

Princeville

In August Princeville generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
260 hours
263 hours
242 hours
Monthly rainfall
49 mm (1.9 in)
49 mm (1.9 in)
49 mm (1.9 in)
Monthly rainy days
19 days
17 days
16 days
Weather conditions
perfect
perfect
perfect
Climate in Princeville →

Koloa

In August Koloa generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
260 hours
263 hours
242 hours
Monthly rainfall
42 mm (1.7 in)
45 mm (1.8 in)
46 mm (1.8 in)
Monthly rainy days
19 days
17 days
16 days
Weather conditions
perfect
perfect
perfect
Climate in Koloa →

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

Popular cities in August

Day & night temperatures, rainfall and average weather in Hawaii in August.

City Weather Day temp Night temp Rainfall
Kihei 30°C (86°F) 23°C (73°F) 32 mm (1.3 in)
Lahaina 29°C (84°F) 24°C (75°F) 13 mm (0.5 in)
Honolulu 29°C (84°F) 24°C (75°F) 23 mm (0.9 in)
Princeville 28°C (82°F) 24°C (75°F) 49 mm (1.9 in)
Koloa 28°C (82°F) 24°C (75°F) 45 mm (1.8 in)
Kapaa 28°C (82°F) 24°C (75°F) 69 mm (2.7 in)

Hawaii weather in August: frequently asked questions

What is the weather like in Hawaii, the United States of America in August?

Hawaii, the United States of America typically experiences tolerable weather in August, part of the season. Daytime highs in Kihei average around 30°C (86°F), and temperatures drop to about 23°C (73°F) at night.

What is the average temperature in Hawaii, the United States of America in August?

Daytime temperatures in Kihei peak at roughly 30°C (86°F) in August, dropping to about 23°C (73°F) overnight.

Does Hawaii, the United States of America get a lot of rain in August?

Not particularly. Kihei averages just 32 mm (1.3 in) of rain in August, making it a mostly dry month for Hawaii, the United States of America.

Is August a Good Time to Visit Hawaii, the United States of America?

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

Generally speaking, the best visiting conditions can be found in January, February, March, April, May, June, October, November and December offering mostly perfect weather in Kihei. On the other hand, the month of August tends to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Hawaii.

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.

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