Haiku Weather in August

In Haiku, August brings high daytime temperatures around 28°C (82°F), with nights cooling to 23°C (73°F). Expect quite a bit of rainfall this month.

Rainfall in Haiku in August

Looking at the last 30 years, the data shows about 8 days with rain, averaging 69 mm (2.7 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Haiku in August

Weather in Haiku is at its perfect in August. Highs reach 28°C (82°F), while nights settle around 23°C (73°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Haiku in August

The city usually sees around 285 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Haiku in August

Wind speeds average 6 m/s (12 knots) during August. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in August

At 26°C (79°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If your ideal day consists of dry skies and pleasant temperatures, January, February, April, May, June, July, August, September, October, November and December typically offer the best circumstances for Haiku.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
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• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Hawaii, check out our Haiku's climate page.

Haiku Temperature in August

Min Temperature 23°C (73°F)  

Max Temperature 28°C (82°F)  

Water Temperature 26°C (79°F) *  

Chance of Rain 28%  

Precipitation 69 mm (2.7 in)  

Rainy days 8 days  

Humidity 69% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 285 hours *  

Percentage Sunshine 72% *  

* Data from: Kahului, the United States of America (11 KM, 7 Miles).

What to Wear in Haiku in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. With water temperatures around 26°C (79°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Haiku in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Hawaii, check out our Haiku's climate page.

More climate data for Haiku

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Haiku climate overview or explore weather in Hawaii.