Weather in Hawaii, United States in August

So you're interested in going to Hawaii, United States in August

August is a hot and rainy time for sunbathing in Hawaii. August is an excellent month for swimming in Hawaii with very warm sea temperatures. Consider visiting Hawaii in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for August.

Temperature in Hawaii in August

The average maximum temperature in Hawaii in August is 29°. The average maximum temperature is 29° in the previous month and 29° in the next month.

The average temperature in Hawaii in August is 26°. The average temperature ranges is 26° in the previous month and 26° in the next month.

The average minimum temperature in Hawaii in August is 23°. The minimum temperature is 22° in the previous month and 22° in the next month.

Sunshine in Hawaii in August

The average day light hours per day in Hawaii in August are 12.9 and there are 7.3 hours of sunshine per day on average during August making it a quite sunny month with some cloud cover.

The ultraviolet index in Hawaii 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 Hawaii in August

The average sea water temperature in Hawaii in August is 27.3° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Hawaii in August

The average total rainfall in Hawaii in August is 9.1cm and on average there are 16.7 rainy days in August making it a wet time to visit the beach.

Humidity in Hawaii in August

The maximum dew point (an indicator of humidity) in Hawaii in August is 21° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 21° in the previous month and 21° in the next month.

The average maximum relative humidity in Hawaii in August is typically 82.9%. The maximum relative humidity is 84% in the previous month and 83.8% in the next month.

The average relative humidity in Hawaii in August is typically 69.5%. The average relative humidity is 70.6% in the previous month and 70.2% in the next month.

Wind Speed in Hawaii in August

The average maximum wind speed in Hawaii in August is typically 29kmh. The average maximum wind speed is 29kmh in the previous month and 28kmh in the next month.

The average wind speed in Hawaii in August is typically 16kmh. The average wind speed is 16kmh in the previous month and 14kmh in the next month.

The average wind direction in Hawaii in August is from the East.

Monthly Averages

Suggested Beaches in August

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