August weather forecast
Kapalua, HI

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Weather in August

August in Kapalua, Hawaii, showcases very minor fluctuations in climatic conditions compared to the previous month of July. The temperatures are relatively high, heat indexes and temperature highs do not display much deviation, and daylight hours start to reduce marginally. Despite this minor reduction in daylight hours, the intensity of sunlight remains high. In correlation with past trends, sea temperature holds at a high level in August, and wind speed shows trivial yet noticeable increments.

Temperature

The advent of August in Kapalua denotes an average high-temperature of a still moderately hot 79.3°F (26.3°C), subtly different from July's 78.8°F (26°C). In Kapalua, August is characterized by an average low-temperature of 76.5°F (24.7°C), indicating a minor drop from daytime highs.

Humidity

In Kapalua, the average relative humidity in August is 76%.

Rainfall

In Kapalua, in August, during 7.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Ocean temperature

In Kapalua, the average seawater temperature in August is 78.8°F (26°C).
Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.

Daylight

The average length of the day in August in Kapalua is 12h and 49min.
On the first day of August in Kapalua, Hawaii, sunrise is at 6:00 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 6:43 pm HST.

Sunshine

The average sunshine in August in Kapalua, Hawaii, is 9.1h.

UV index

The months with the highest UV index in Kapalua are July through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 7 during August morphs into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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Frequently asked questions

What are August temperatures in Kapalua?

In August, the average high-temperature and low-temperature in Kapalua are 79.3°F (26.3°C) and 76.5°F (24.7°C) respectively.

What is the average humidity in August in Kapalua?

In August, the average relative humidity is 76%.

How much does it rain in Kapalua in August?

In Kapalua, during August, the rain falls for 7.9 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How warm is the water in August in Kapalua?

In Kapalua, the average seawater temperature in August is 78.8°F (26°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August in Kapalua?

The average day length in August in Kapalua, Hawaii, is 12h and 49min.

When are sunrise and sunset in August in Kapalua?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 6:43 pm HST.

How many hours of sunshine does Kapalua have in August?

The average sunshine duration in August is 9.1h.

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

July through October, with an average maximum UV index of 7, are months with the highest UV index in Kapalua.

What is the UV index intensity in August in Kapalua?

In August, the average daily maximum UV index in Kapalua, Hawaii, is 7. A UV Index of 6 to 7 symbolizes a high health threat 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
Kapalua, HI

Average temperature in August - Kapalua, HI
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in August: 76.5°F

The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).

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Average pressure in August
Kapalua, HI

Average pressure in August - Kapalua, HI
  • Average pressure in August: 29.98"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
Kapalua, HI

Average wind speed in August - Kapalua, HI
  • Average wind speed in August: 13.5mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

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Average humidity in August
Kapalua, HI

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

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).

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Average rainfall in August
Kapalua, HI

Average rainfall in August - Kapalua, HI
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in August
Kapalua, HI

Average rainfall days in August - Kapalua, HI
  • Average rainfall days in August: 7.9 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

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Average sea temperature in August
Kapalua, HI

Average sea temperature in August - Kapalua, HI
  • Average sea temperature in August: 79°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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

Average daylight in August / Average sunshine in August - Kapalua, 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: 9h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in August
Kapalua, HI

Average sunshine days in August - Kapalua, HI
  • Average sunshine days in August: 17.7 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in August
Kapalua, HI

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

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

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Average cloud cover in August
Kapalua, HI

Average cloud cover in August - Kapalua, HI
  • Average cloud cover in August: 28

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in August
Kapalua, HI

Average visibility in August - Kapalua, 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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Kapalua, Hawaii, USA

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