August weather forecast
Kalaoa, HI

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Weather in August

August in Kalaoa sees the highest temperatures of the year, with the average reaching up to 78.4°F (25.8°C). This peak in the temperature turns the spotlight on the warm tropical climate of Hawaii. Sunlight hours experience a slight decrease, a precursor to fall's shorter days and longer nights. The manageable average rainfall keeps the month endurable despite the high temperatures. Similar to July, the weather remains characteristically tropical with humidity steadily high.

Temperature

August proves to be the warmest month, recording an average peak temperature of 78.4°F (25.8°C) and a minimum temperature of 74.8°F (23.8°C).

Humidity

The months with the highest humidity are June through August, with an average relative humidity of 77%.

Rainfall

In Kalaoa, during August, the rain falls for 11.3 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Kalaoa, during the entire year, the rain falls for 136 days and collects up to 8.5" (216mm) of precipitation.

Daylight

In August, the average length of the day is 12h and 47min.
On the first day of August, sunrise is at 6:00 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 6:39 pm HST.

Sunshine

In Kalaoa, Hawaii, the average sunshine in August is 9.4h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

August, with average temperatures reaching a high of 78.4°F (25.8°C) and a low of 74.8°F (23.8°C), is the warmest month.

What are August temperatures?

The high-temperature, in August, in Kalaoa, is 78.4°F (25.8°C), while the low-temperature averages to 74.8°F (23.8°C).

What are the most humid months?

The months with the highest humidity are June through August, with an average relative humidity of 77%.

What is the average humidity in August?

The average relative humidity in August is 77%.

How many days does it rain in August?

In Kalaoa, in August, during 11.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

How many hours of daylight does Kalaoa have in August?

In August, the average day length is 12h and 47min.

When are sunrise and sunset in August?

On the first day of August in Kalaoa, sunrise is at 6:00 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 6:39 pm HST.

How long on average sun shines in August?

The average sunshine duration in August is 9.4h.

What are the months with the highest UV index?

January through December, with an average maximum UV index of 6, are months with the highest UV index.

When is the lowest UV index?

The months with the lowest UV index are January through December, with an average maximum UV index of 6.

What is the UV index intensity in August in Kalaoa?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Kalaoa, HI

Average temperature in August - Kalaoa, HI
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).

  • Average low temperature in August: 74.8°F

The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).

Average pressure in August
Kalaoa, HI

Average pressure in August - Kalaoa, HI
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in August
Kalaoa, HI

Average wind speed in August - Kalaoa, HI
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).

Average humidity in August
Kalaoa, HI

Average humidity in August - Kalaoa, HI
  • Average humidity in August: 77%

The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).

Average rainfall in August
Kalaoa, HI

Average rainfall in August - Kalaoa, HI
  • Average rainfall in August: 0.51"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
Kalaoa, HI

Average rainfall days in August - Kalaoa, HI
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).

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

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

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in August
Kalaoa, HI

Average sunshine days in August - Kalaoa, HI
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).

Average UV index in August
Kalaoa, HI

Average UV index in August - Kalaoa, HI
  • Average UV index in August: 6

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

Average cloud cover in August
Kalaoa, HI

Average cloud cover in August - Kalaoa, HI
  • Average cloud cover in August: 18

The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).

Average visibility in August
Kalaoa, HI

Average visibility in August - Kalaoa, 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).

Kalaoa, Hawaii, USA

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