August weather forecast and climate
Hana, HI

Weather in August

August, the last month of the summer, in Hana, is another warm month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 75.7°F (24.3°C).

Temperature

In Hana, the average high-temperature is practically the same as in July - a still moderately hot 78.6°F (25.9°C). In Hana, in August, the average low-temperature is 75.7°F (24.3°C).

Humidity

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

Rainfall

In August, in Hana, the rain falls for 10.8 days. Throughout August, 0.59" (15mm) of precipitation is accumulated. In Hana, Hawaii, during the entire year, the rain falls for 136.7 days and collects up to 13.94" (354mm) of precipitation.

Snowfall

January through August, October through December are months without snowfall.

Ocean temperature

In August, the average ocean temperature is 79.2°F (26.2°C).
Note: 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.

Daylight

In August, the average length of the day is 12.8h.

Sunshine

The average sunshine in August is 9.2h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

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?

January through August, October through December are months without snowfall in Hana.

Does it snow in Hana in August?

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

How warm is the water in August in Hana?

In August, the average ocean temperature in Hana is 79.2°F (26.2°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 Hana?

The average length of the day in August in Hana, Hawaii, is 12.8h.

How long on average sun shines in August in Hana?

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

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

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

What is the UV index reading in August in Hana?

In Hana, Hawaii, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in August
Hana, HI

Average temperature in August - Hana, HI
  • Average high temperature in August: 25.9°C

The warmest month (with the highest average high temperature) is September (26.1°C).
The month with the lowest average high temperature is March (22.7°C).

  • Average low temperature in August: 24.3°C

The month with the highest average low temperature is September (24.5°C).
The coldest month (with the lowest average low temperature) is March (21°C).

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Average pressure in August
Hana, HI

Average pressure in August - Hana, HI
  • Average pressure in August: 1015.5mbar

The month with the highest atmospheric pressure is April (1017.8mbar).
The month with the lowest atmospheric pressure is October (1014.9mbar).

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Average wind speed in August
Hana, HI

Average wind speed in August - Hana, HI
  • Average wind speed in August: 22.7km/h

The windiest month (with the highest average wind speed) is June (23.2km/h).
The calmest month (with the lowest average wind speed) is January (17.6km/h).

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Average humidity in August
Hana, HI

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

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

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Average rainfall in August
Hana, HI

Average rainfall in August - Hana, HI
  • Average rainfall in August: 15mm

The wettest month (with the highest rainfall) is October (55mm).
The driest month (with the least rainfall) is September (11mm).

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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).

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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).
Months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average sea temperature in August
Hana, HI

Average sea temperature in August - Hana, HI
  • Average sea temperature in August: 26.2°C

The best month for swimming (with the highest average sea temperature) is September (26.3°C).
The coldest month (with the lowest average sea temperature) is March (24.1°C).

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

Average daylight in August / Average sunshine in August - Hana, HI
  • Average daylight in August: 12.8h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in August: 9.2h

Months with the most sunshine are June and July (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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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).

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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).
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
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).

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Average visibility in August
Hana, HI

Average visibility in August - Hana, HI
  • Average visibility in August: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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