Weather in Hawaii Island, United States in August

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Visiting Hawaii Island, United States in August

August has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.7 hours of sunshine per day. August has total rainfall of 7.3cm (2.9inches) making it mostly dry with only intermittent light showers. There are only 11 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Hawaii Island. Sea temperatures are a very warm 27°C (80°F). August is an excellent month for swimming in Hawaii Island with very comfortable temperatures for bathing all day.

Consider visiting Hawaii Island in the months of June, July, September, October, for the best beach weather.

Also consider one of our other suggestions for August.

Can you sunbathe in Hawaii Island in August?

Yes, August is a good time for sunbathing in Hawaii Island.

August has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.7 hours of sunshine per day. August has total rainfall of 7.3cm (2.9inches) making it mostly dry with only intermittent light showers. There are only 11 days with some rainfall so you can still enjoy the beach on the majority of days.

More about August temperature and sunshine.

Can you swim in Hawaii Island in August?

Yes, August is an excellent month for swimming in Hawaii Island with very warm sea temperatures 27°C (80°F).

More about August sea temperatures.

Is August a good time to holiday in Hawaii Island?

Yes, August is a good time for a holiday in Hawaii Island.

August has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.7 hours of sunshine per day. August has total rainfall of 7.3cm (2.9inches) making it mostly dry with only intermittent light showers. There are only 11 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Hawaii Island. Sea temperatures are a very warm 27°C (80°F). August is an excellent month for swimming in Hawaii Island with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Hawaii Island warm in August?

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

The average maximum temperature in Hawaii Island in August is 29°C (85°F). The average maximum temperature is 29°C (84°) in the previous month and 29°C (85°F) in the next month.

The average temperature in Hawaii Island in August is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 26°C (79°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Hawaii Island in August?

The average day light hours per day in Hawaii Island in August are 12.8. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.7 hours of sunshine per day.

More about August sunshine.

Temperature in Hawaii Island in August

The average maximum temperature in Hawaii Island in August is 29°C (85°F). The average maximum temperature is 29°C (84°F) in the previous month and 29°C (85°F) in the next month.

The average temperature in Hawaii Island in August is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 26°C (79°F) in the next month.

The average minimum temperature in Hawaii Island in August is 23°C (73°F). The minimum temperature is 23°C (73°F) in the previous month and 23°C (73°F) in the next month.

Sunshine in Hawaii Island in August

During August the average day light hours are 12.8 per day in Hawaii Island. The sunshine percentage is 60% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.7 hours of sunshine per day.

The ultraviolet index in Hawaii Island in August is typically 13.4 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 Hawaii Island in August

The average sea water temperature in Hawaii Island in August is 26.8°C (80.2°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Hawaii Island in August

The average total rainfall in Hawaii Island in August is 7.3cm (2.9inches) and on average there are 11 rainy days in August making it a pretty wet time to visit the beach.

Humidity in Hawaii Island in August

The maximum dew point (an indicator of humidity) in Hawaii Island in August is 21°C (71°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 21°C (70°F) in the previous month and 21°C (21°F) in the next month.

The average maximum relative humidity in Hawaii Island in August is typically 81.4%. The maximum relative humidity is 82% in the previous month and 80.2% in the next month.

The average relative humidity in Hawaii Island in August is typically 68.8%. The average relative humidity is 69.4% in the previous month and 67.9% in the next month.

Wind Speed in Hawaii Island in August

The average maximum wind speed in Hawaii Island in August is typically 23KM/H (15MPH). The average maximum wind speed is 23KM/H (14MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind speed in Hawaii Island in August is typically 11KM/H (7MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Hawaii Island in August is from the South-Southwest.

Monthly Averages

Suggested Beaches in August

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