Weather in Kailua, United States in August

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Visiting Kailua, United States in August

August is one of the best months to visit Kailua for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in August is marginally warmer than the previous month and temperatures continue to rise slightly into September. August has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.

August has total rainfall of 2.4cm (0.9inches) making it mostly dry with very rare light showers although there are 19.8 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much.

Sea temperatures are a very warm 27°C (81°F). August is an excellent month for swimming in Kailua with very comfortable temperatures for bathing all day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Also consider visiting Kailua in one of the other best months of June, July, September, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in Kailua in August?

Yes, August is a good time for sunbathing in Kailua.

August has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. August has total rainfall of 2.4cm (0.9inches) making it mostly dry with very rare light showers although there are 19.8 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much.

More about August temperature and sunshine.

Can you swim in Kailua in August?

Yes, August is an excellent month for swimming in Kailua with very warm sea temperatures 27°C (81°F).

More about August sea temperatures.

Is August a good time to holiday in Kailua?

Yes, August is a good time for a holiday in Kailua.

August has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day. August has total rainfall of 2.4cm (0.9inches) making it mostly dry with very rare light showers although there are 19.8 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much. Sea temperatures are a very warm 27°C (81°F). August is an excellent month for swimming in Kailua with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Kailua warm in August?

Yes, Kailua is very warm and perfect for sunbathing on clear days in August.

The average maximum temperature in Kailua in August is 29°C (84°F). The average maximum temperature is 28°C (83°) in the previous month and 29°C (84°F) in the next month.

The average temperature in Kailua in August is 27°C (80°F). The average temperature is 26°C (79°F) in the previous month and 27°C (80°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Kailua in August?

The average day light hours per day in Kailua in August are 12.9. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.

More about August sunshine.

Temperature in Kailua in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise slightly into September. The average maximum temperature in Kailua in August is 29°C (84°F). The average maximum temperature is 28°C (83°F) in the previous month and 29°C (84°F) in the next month.

The average temperature in Kailua in August is 27°C (80°F). The average temperature is 26°C (79°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in Kailua in August is 24°C (75°F). The minimum temperature is 24°C (75°F) in the previous month and 24°C (75°F) in the next month.

Sunshine in Kailua in August

The days in August are marginally shorter than the previous month and days continue to get slightly shorter into September. August has less hours of sunshine than the previous month and hours of sunshine continue to drop slightly into September. During August the average day light hours are 12.9 per day in Kailua. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.1 hours of sunshine per day.

The ultraviolet index in Kailua in August is typically 13.1 during August. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Kailua in August

The average sea water temperature in Kailua in August is 27.3°C (81.1°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Rainfall in Kailua in August

August weather is marginally drier than the previous month and rainfall continues to drop slightly into September. August has a couple of less days of rain than the previous month and rainy days continue to drop slightly into September. The average total rainfall in Kailua in August is 2.4cm (0.9inches) and on average there are 19.8 rainy days in August making it a wet time to visit the beach.

Humidity in Kailua in August

The maximum dew point (an indicator of humidity) in Kailua in August is 22°C (72°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 22°C (72°F) in the previous month and 22°C (22°F) in the next month.

The average maximum relative humidity in Kailua in August is typically 85.2%. The maximum relative humidity is 85.8% in the previous month and 84.9% in the next month.

The average relative humidity in Kailua in August is typically 73.3%. The average relative humidity is 74.1% in the previous month and 73.3% in the next month.

Wind Speed in Kailua in August

The average maximum wind speed in Kailua in August is typically 22KM/H (14MPH). The average maximum wind speed is 23KM/H (14MPH) in the previous month and 20KM/H (12MPH) in the next month.

The average wind speed in Kailua in August is typically 13KM/H (8MPH). The average wind speed is 14KM/H (8MPH) in the previous month and 12KM/H (7MPH) in the next month.

The average wind direction in Kailua in August is from the East-Northeast.

Monthly Averages

Suggested Beaches in August

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.