August weather forecast
Kaaawa, HI

Weather in August

The last month of the summer, August, is another warm month in Kaaawa, Hawaii, with an average temperature fluctuating between 81°F (27.2°C) and 76.6°F (24.8°C).

Temperature

The warmest months are August and September, with an average high-temperature of 81°F (27.2°C).

Heat index

The average heat index in August is computed to be 85.6°F (29.8°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The months with the highest humidity are February through April, July, August, October and December, with an average relative humidity of 76%.

Rainfall

In Kaaawa, during August, the rain falls for 13.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Kaaawa, Hawaii, during the entire year, the rain falls for 187.1 days and collects up to 15.83" (402mm) of precipitation.

Ocean temperature

In Kaaawa, Hawaii, the average seawater temperature in August is 79.2°F (26.2°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Kaaawa, the average length of the day in August is 12h and 51min.
On the first day of August, sunrise is at 6:04 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 6:48 pm HST.

Sunshine

The average sunshine in August is 8.7h.

UV index

July through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in August transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the warmest month in Kaaawa?

Warmest months are August and September, with an average high-temperature of 81°F (27.2°C).

What is the temperature in August in Kaaawa?

In August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 76.6°F (24.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is computed to be 85.6°F (29.8°C).

What are the most humid months in Kaaawa?

February through April, July, August, October and December, with an average relative humidity of 76%, are most humid months in Kaaawa.

What is the average humidity in August in Kaaawa?

The average relative humidity in August is 76%.

How many days does it rain in August in Kaaawa?

In August, the rain falls for 13.8 days. Throughout August, 0.87" (22mm) of precipitation is accumulated.

What is the water temperature in August in Kaaawa?

In August, the average ocean temperature in Kaaawa, Hawaii, is 79.2°F (26.2°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Kaaawa have in August?

The average day length in August in Kaaawa, Hawaii, is 12h and 51min.

What time are sunrise and sunset in August in Kaaawa?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 7:10 pm. On the last day of the month, in Kaaawa, sunrise is at 6:14 am and sunset at 6:48 pm HST.

How long on average sun shines in August in Kaaawa?

In August, the average sunshine duration in Kaaawa is 8.7h.

What is the month with the highest UV index in Kaaawa?

July through September, with an average maximum UV index of 7, are months with the highest UV index in Kaaawa, Hawaii.

What is the UV index reading in August in Kaaawa?

The average daily maximum UV index in August in Kaaawa is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in August
Kaaawa, HI

Average temperature in August - Kaaawa, HI
  • Average high temperature in August: 81°F

The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).

  • Average low temperature in August: 76.6°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).

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Average pressure in August
Kaaawa, HI

Average pressure in August - Kaaawa, 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).

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Average wind speed in August
Kaaawa, HI

Average wind speed in August - Kaaawa, HI
  • Average wind speed in August: 12.9mph

The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).

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Average humidity in August
Kaaawa, HI

Average humidity in August - Kaaawa, HI
  • Average humidity in August: 76%

The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).

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Average rainfall in August
Kaaawa, HI

Average rainfall in August - Kaaawa, HI
  • Average rainfall in August: 0.87"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in August
Kaaawa, HI

Average rainfall days in August - Kaaawa, HI
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).

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Average sea temperature in August
Kaaawa, HI

Average sea temperature in August - Kaaawa, HI
  • Average sea temperature in August: 79.2°F

The best month for swimming (with the highest average sea temperature) is September (80.1°F).
The coldest month (with the lowest average sea temperature) is March (75°F).

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Average daylight in August /
Average sunshine in August
Kaaawa, HI

Average daylight in August / Average sunshine in August - Kaaawa, HI
  • Average daylight in August: 12h and 51min

The month with the longest days is June (Average daylight: 13h and 26min).
The month with the shortest days is December (Average daylight: 10h and 51min).

  • Average sunshine in August: 8.7h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in August
Kaaawa, HI

Average sunshine days in August - Kaaawa, HI
  • Average sunshine days in August: 11.7 days

The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).

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Average UV index in August
Kaaawa, HI

Average UV index in August - Kaaawa, HI
  • Average UV index in August: 7

The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).

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Average cloud cover in August
Kaaawa, HI

Average cloud cover in August - Kaaawa, HI
  • Average cloud cover in August: 36

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in August
Kaaawa, HI

Average visibility in August - Kaaawa, 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).

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