Honolulu

Oahu Weather in August

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

Considering a trip to Oahu, the United States of America this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Oahu in August

Oahu, the United States of America is a region in the United States of America. August in Oahu generally has warm temperatures, with precipitation levels ranging from low to moderate.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 24°C (75°F) in Honolulu. In Oahu, the United States of America, August typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

For specific regional insights in Oahu, the United States of America, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Kapolei with an average of 18 mm (0.7 in) to moderate rainfall in Laie with 34 mm (1.3 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Honolulu sees close to 303 hours of sunlight, making it great for sun lovers.

Explore Oahu by month

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

Best Places to Visit in Oahu in August

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

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 Oahu

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

Temperature range in Oahu (August)

Precipitation variation in Oahu (August)

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
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

Kahuku

In August Kahuku 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
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°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
33 mm (1.3 in)
34 mm (1.3 in)
33 mm (1.3 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions

Kapolei

In August Kapolei generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
24°C (75°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
306 hours
303 hours
279 hours
Monthly rainfall
15 mm (0.6 in)
18 mm (0.7 in)
19 mm (0.7 in)
Monthly rainy days
10 days
8 days
9 days
Weather conditions

Laie

In August Laie 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
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°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
34 mm (1.3 in)
34 mm (1.3 in)
33 mm (1.3 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Honolulu 29°C (84°F) 24°C (75°F) 23 mm (0.9 in)
Kahuku 28°C (82°F) 24°C (75°F) 34 mm (1.3 in)
Kapolei 28°C (82°F) 25°C (77°F) 18 mm (0.7 in)
Laie 28°C (82°F) 24°C (75°F) 34 mm (1.3 in)

Oahu weather in August: frequently asked questions

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

August in Oahu, the United States of America brings perfect weather. In Honolulu, daytime temperatures are typically around 29°C (84°F) and nighttime lows hover near 24°C (75°F).

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

In Honolulu, the average daytime high in August is 29°C (84°F), while nighttime temperatures drop to around 24°C (75°F).

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

Not particularly. Honolulu averages just 23 mm (0.9 in) of rain in August, making it a mostly dry month for Oahu, the United States of America.

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

Given the typically perfect weather conditions in Honolulu, August might be a good time to visit Oahu, the United States of America. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Oahu, the United States of America is in with generally perfect weather in Honolulu.

Interested in more climate information?

We have much more information about the climate in Oahu.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.