August weather forecast
Waipio Acres, HI

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Weather in August

August, the last month of the summer in Waipio Acres, is also a moderately hot month, with an average temperature fluctuating between 73.9°F (23.3°C) and 82.6°F (28.1°C).

Temperature

With average high and low temperatures of 82.6°F (28.1°C) and 73.9°F (23.3°C) respectively, August is Waipio Acres's warmest month.

Heat index

August's heat index is computed to be a tropical 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In Waipio Acres, the average relative humidity in August is 74%.

Rainfall

In Waipio Acres, Hawaii, in August, during 23.8 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Waipio Acres, during the entire year, the rain falls for 252.2 days and collects up to 22.09" (561mm) of precipitation.

Daylight

The average length of the day in August in Waipio Acres is 12h and 50min.
On the first day of August, sunrise is at 6:05 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 6:48 pm HST.

Sunshine

The average sunshine in August is 7.2h.

UV index

The months with the highest UV index in Waipio Acres are March through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Waipio Acres?

August tends to be the warmest month, with temperatures averaging a daily high of 82.6°F (28.1°C) and a low of 73.9°F (23.3°C).

Is it hot in Waipio Acres during August?

The average high-temperature, in August, in Waipio Acres, is 82.6°F (28.1°C), while the average low-temperature is 73.9°F (23.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in August in Waipio Acres?

In August, the average relative humidity in Waipio Acres, Hawaii, is 74%.

How many days does it rain in August in Waipio Acres?

In Waipio Acres, in August, during 23.8 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

How many hours of daylight does Waipio Acres have in August?

The average day length in August in Waipio Acres is 12h and 50min.

When are sunrise and sunset in August in Waipio Acres?

On the first day of August in Waipio Acres, Hawaii, sunrise is at 6:05 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 6:48 pm HST.

How long on average sun shines in August in Waipio Acres?

The average sunshine duration in August in Waipio Acres, Hawaii, is 7.2h.

When is the highest UV index in Waipio Acres?

The months with the highest UV index are March through November, with an average maximum UV index of 6.

How high is the UV index in August in Waipio Acres?

The average daily maximum UV index in August in Waipio Acres is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Waipio Acres, HI

Average temperature in August - Waipio Acres, HI
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is February (75.6°F).

  • Average low temperature in August: 73.9°F

The month with the highest average low temperature is September (74.3°F).
The coldest month (with the lowest average low temperature) is February (66.7°F).

Average pressure in August
Waipio Acres, HI

Average pressure in August - Waipio Acres, HI
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

Average wind speed in August
Waipio Acres, HI

Average wind speed in August - Waipio Acres, HI
  • Average wind speed in August: 9.4mph

The windiest months (with the highest average wind speed) are June and July (10.2mph).
The calmest month (with the lowest average wind speed) is October (7.6mph).

Average humidity in August
Waipio Acres, HI

Average humidity in August - Waipio Acres, HI
  • Average humidity in August: 74%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is September (73%).

Average rainfall in August
Waipio Acres, HI

Average rainfall in August - Waipio Acres, HI
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is July (1.26").

Average rainfall days in August
Waipio Acres, HI

Average rainfall days in August - Waipio Acres, HI
  • Average rainfall days in August: 23.8 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is January (16 days).

Average daylight in August /
Average sunshine in August
Waipio Acres, HI

Average daylight in August / Average sunshine in August - Waipio Acres, HI
  • Average daylight in August: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in August: 7h and 1min

The month with the most sunshine is June (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).

Average sunshine days in August
Waipio Acres, HI

Average sunshine days in August - Waipio Acres, HI
  • Average sunshine days in August: 3.3 days

The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is August (3.3 days).

Average UV index in August
Waipio Acres, HI

Average UV index in August - Waipio Acres, HI
  • Average UV index in August: 6

The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).

Average cloud cover in August
Waipio Acres, HI

Average cloud cover in August - Waipio Acres, HI
  • Average cloud cover in August: 51

The month with the most cloud cover is June (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 43).

Average visibility in August
Waipio Acres, HI

Average visibility in August - Waipio Acres, HI
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Waipio Acres, Hawaii, USA

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