August weather forecast
Kalaheo, HI

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Weather in August

The last month of the summer, August, is another warm month in Kalaheo, Hawaii, with an average temperature fluctuating between 75.7°F (24.3°C) and 79.5°F (26.4°C).

Temperature

The advent of August brings an average high-temperature of a still warm 79.5°F (26.4°C), exhibiting minor difference from the previous month. Kalaheo's August nights witness minimal differential from the daytime temperatures, with averages of 75.7°F (24.3°C).

Humidity

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

Rainfall

In Kalaheo, during August, the rain falls for 21.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, in Kalaheo, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Daylight

In Kalaheo, the average length of the day in August is 12h and 52min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:17 pm. On the last day of August, sunrise is at 6:21 am and sunset at 6:55 pm HST.

Sunshine

In Kalaheo, the average sunshine in August is 8.4h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are August temperatures in Kalaheo?

An average high-temperature, in August, in Kalaheo, is 79.5°F (26.4°C) and the average low-temperature is 75.7°F (24.3°C).

What is the most humid month in Kalaheo?

The months with the highest humidity in Kalaheo, Hawaii, are June through August, October and December, with an average relative humidity of 77%.

What is the average humidity in August in Kalaheo?

In August, the average relative humidity is 77%.

How much does it rain in Kalaheo in August?

In Kalaheo, Hawaii, in August, it is raining for 21.1 days, with typically 1.89" (48mm) of accumulated precipitation.

How many hours of daylight does Kalaheo have in August?

The average day length in August in Kalaheo, Hawaii, is 12h and 52min.

What time are sunrise and sunset in August in Kalaheo?

In August, on the first day of the month, sunrise is at 6:11 am and sunset at 7:17 pm. On the last day of the month, in Kalaheo, sunrise is at 6:21 am and sunset at 6:55 pm HST.

How long on average sun shines in August in Kalaheo?

The average sunshine duration in August in Kalaheo is 8.4h.

What is the month with the lowest UV index in Kalaheo?

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

What is the UV index intensity in August in Kalaheo?

In August, the average daily maximum UV index in Kalaheo is 6. A UV Index reading of 6 to 7 represents 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
Kalaheo, HI

Average temperature in August - Kalaheo, HI
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in August: 75.7°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

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Average pressure in August
Kalaheo, HI

Average pressure in August - Kalaheo, HI
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

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Average wind speed in August
Kalaheo, HI

Average wind speed in August - Kalaheo, HI
  • Average wind speed in August: 12.1mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

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Average humidity in August
Kalaheo, HI

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

The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

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Average rainfall in August
Kalaheo, HI

Average rainfall in August - Kalaheo, HI
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").

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Average rainfall days in August
Kalaheo, HI

Average rainfall days in August - Kalaheo, HI
  • Average rainfall days in August: 21.1 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).

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

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

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in August: 8h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

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Average sunshine days in August
Kalaheo, HI

Average sunshine days in August - Kalaheo, HI
  • Average sunshine days in August: 2.9 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

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Average UV index in August
Kalaheo, HI

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

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

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Average cloud cover in August
Kalaheo, HI

Average cloud cover in August - Kalaheo, HI
  • Average cloud cover in August: 44

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).

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Average visibility in August
Kalaheo, HI

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

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