Kailua Weather in August

August in Kailua typically sees daytime highs of 28°C (82°F) and nighttime lows of 24°C (75°F). Expect some rainfall during the month.

Rainfall in Kailua in August

Climate statistics over the past 30 years suggest around 7 days of rain, with 32 mm (1.3 in) average for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Kailua in August

Kailua in August has perfect weather. Days reach 28°C (82°F) and nights cool to 24°C (75°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Kailua in August

The month enjoys around 303 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Kailua in August

Wind speeds average 5 m/s (10 knots) during August. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in August

With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Kailua's climate page.

Kailua Temperature in August

Min Temperature 24°C (75°F)  

Max Temperature 28°C (82°F)  

Water Temperature 27°C (81°F) *  

Chance of Rain 23%  

Precipitation 32 mm (1.3 in)  

Rainy days 7 days  

Humidity 64% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 303 hours *  

Percentage Sunshine 76% *  

* Data from: Honolulu, the United States of America (20 KM, 12 Miles).

What to Wear in Kailua in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Kailua in August

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

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 the United States of America, check out our Kailua's climate page.

More climate data for Kailua

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Kailua climate overview or explore weather in the United States of America.