August weather forecast
Hana, HI

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Weather in August

In August, the weather in Hana, Hawaii, elegantly plateaus, creating an immersive tropical spectacle. This month sees further escalation in sea temperatures and extracted daylight. A drop in rainfall and cloud cover offers a brilliant display of sunlight, unrivaled in the preceding months. However, reversing the trend from July, the wind's speed intensifies, breathing a lively gust into the warm August air.

Temperature

Hana's August showcases an average high-temperature of a still moderately hot 78.6°F (25.9°C), hardly distinct from July's 77.5°F (25.3°C). August nights reveal a minor deviation from daytime highs, with a mean low-temperature of 75.7°F (24.3°C).

Humidity

July and August, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Hana, in August, it is raining for 10.8 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Hana, there are 136.7 rainfall days, and 13.94" (354mm) of precipitation is accumulated.

Snowfall

In Hana, snow does not fall in January through August, October through December.

Ocean temperature

In Hana, Hawaii, in August, the average water temperature is 79.2°F (26.2°C).
Note: For any water activity, surface water temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

In August, the average length of the day is 12h and 49min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:01 pm. On the last day of August, sunrise is at 6:07 am and sunset at 6:40 pm HST.

Sunshine

In Hana, the average sunshine in August is 9.2h.

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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice! The Sun's UV exposure elevates with sand and water reflections.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Hana?

The high-temperature in Hana, Hawaii, during August is 78.6°F (25.9°C) and the low-temperature is 75.7°F (24.3°C).

What are the most humid months in Hana?

July and August, with an average relative humidity of 78%, are most humid months in Hana.

What is the average humidity in August in Hana?

The average relative humidity in August in Hana, Hawaii, is 78%.

How much does it rain in Hana in August?

In Hana, Hawaii, during August, the rain falls for 10.8 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow in Hana?

In Hana, snow does not fall in January through August, October through December.

Does it snow in Hana in August?

In Hana, in August, it doesn't snow. In September, it regularly snows.

What is the ocean temperature in August in Hana?

In Hana, Hawaii, the average seawater temperature in August is 79.2°F (26.2°C). 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.

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

In Hana, Hawaii, the average day length in August is 12h and 49min.

When are sunrise and sunset in August in Hana?

On the first day of August in Hana, Hawaii, sunrise is at 5:58 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 6:40 pm HST.

How many hours of sunshine does Hana have in August?

In August, the average sunshine duration in Hana, Hawaii, is 9.2h.

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

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

How high is the UV index in August in Hana?

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

Average temperature in August
Hana, HI

Average temperature in August - Hana, HI
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).

  • Average low temperature in August: 75.7°F

The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).

Average pressure in August
Hana, HI

Average pressure in August - Hana, 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
Hana, HI

Average wind speed in August - Hana, HI
  • Average wind speed in August: 14.1mph

The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).

Average humidity in August
Hana, HI

Average humidity in August - Hana, HI
  • Average humidity in August: 78%

The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).

Average rainfall in August
Hana, HI

Average rainfall in August - Hana, HI
  • Average rainfall in August: 0.59"

The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in August
Hana, HI

Average rainfall days in August - Hana, HI
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).

Average snowfall days in August
Hana, HI

Average snowfall days in August - Hana, HI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

Average sea temperature in August
Hana, HI

Average sea temperature in August - Hana, HI
  • Average sea temperature in August: 79.1°F

The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.5°F).

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

Average daylight in August / Average sunshine in August - Hana, 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 months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in August
Hana, HI

Average sunshine days in August - Hana, HI
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).

Average UV index in August
Hana, HI

Average UV index in August - Hana, 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).

Average cloud cover in August
Hana, HI

Average cloud cover in August - Hana, HI
  • Average cloud cover in August: 26

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).

Average visibility in August
Hana, HI

Average visibility in August - Hana, 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).

Hana, Hawaii, USA

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