Weather in Hilo, Hawaii Island, United States in August

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Visiting Hilo, Hawaii Island, United States in August

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 70% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright. It is a good time for sunbathing in Hilo.

August has total rainfall of 19.7cm (7.8inches) making it a bit rainy but with only moderate tropical showers. There are 15.6 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 26°C (80°F). August is an excellent month for swimming in Hilo 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.

August continues the trend of sunny days and minimal rain, making it perfect for beach activities and sunbathing. The ocean remains calm, providing excellent conditions for swimming, snorkeling, and other water activities. Surfing conditions can be good, and windsurfing and kitesurfing remain popular. Consider visiting Hilo in the months of May, June, July, September, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in Hilo in August?

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

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 70% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright. August has total rainfall of 19.7cm (7.8inches) making it a bit rainy but with only moderate tropical showers. There are 15.6 days with some rainfall so you can still enjoy the beach on the clear days.

More about August temperature and sunshine.

Can you swim in Hilo in August?

Yes, August is an excellent month for swimming in Hilo with very warm sea temperatures 26°C (80°F).

More about August sea temperatures.

Is August a good time to holiday in Hilo?

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

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 70% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright. August has total rainfall of 19.7cm (7.8inches) making it a bit rainy but with only moderate tropical showers. There are 15.6 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Hilo. Sea temperatures are a very warm 26°C (80°F). August is an excellent month for swimming in Hilo with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Hilo warm in August?

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

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

The average temperature in Hilo in August is 25°C (77°F). The average temperature is 25°C (76°F) in the previous month and 25°C (77°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Hilo in August?

The average day light hours per day in Hilo in August are 12.8. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright.

More about August sunshine.

Crowds in Hilo in August

August continues to be a busy month for beach vacations in Hilo, with warm weather and summer events. The beaches can be quite crowded during this month, especially during the weekends and the Hawaii Statehood Day holiday.

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

The average temperature in Hilo in August is 25°C (77°F). The average temperature is 25°C (76°F) in the previous month and 25°C (77°F) in the next month.

The average minimum temperature in Hilo in August is 21°C (69°F). The minimum temperature is 21°C (69°F) in the previous month and 21°C (69°F) in the next month.

Sunshine in Hilo in August

The days in August are marginally shorter than the previous month and days continue to get marginally shorter into September. During August the average day light hours are 12.8 per day in Hilo. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.0hrs making the days long and bright.

The ultraviolet index in Hilo 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 Hilo in August

The average sea water temperature in Hilo in August is 26.4°C (79.5°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 Hilo in August

August weather is wetter than the previous month. August has fewer days of rain than the previous month. The average total rainfall in Hilo in August is 19.7cm (7.8inches) and on average there are 15.6 rainy days in August making it a wet time to visit the beach.

Humidity in Hilo in August

The maximum dew point (an indicator of humidity) in Hilo in August is 21°C (70°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 Hilo in August is typically 90.8%. The maximum relative humidity is 90.7% in the previous month and 89.1% in the next month.

The average relative humidity in Hilo in August is typically 75.3%. The average relative humidity is 75.4% in the previous month and 74% in the next month.

Wind Speed in Hilo in August

The average maximum wind speed in Hilo in August is typically 24KM/H (15MPH). The average maximum wind speed is 24KM/H (15MPH) in the previous month and 23KM/H (15MPH) in the next month.

The average wind speed in Hilo in August is typically 10KM/H (6MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in Hilo in August is from the West.

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.