August weather forecast
Volcano, HI

Weather in August

August, the last month of the summer in Volcano, is another warm month, with an average temperature varying between 68.9°F (20.5°C) and 75.4°F (24.1°C).

Temperature

The warmest month is August, with an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 68.9°F (20.5°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

In Volcano, it is raining for 19.5 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

Daylight

In August, the average length of the day in Volcano is 12h and 46min.
On the first day of August in Volcano, sunrise is at 5:57 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 6:36 pm HST.

Sunshine

In August, the average sunshine is 9h.

UV index

The months with the highest UV index are May through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Volcano?

August is the warmest month, with an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 68.9°F (20.5°C).

What is the average humidity in August in Volcano?

The average relative humidity in August in Volcano, Hawaii, is 79%.

How many days does it rain in August in Volcano?

In Volcano, in August, it is raining for 19.5 days, with typically 2.52" (64mm) of accumulated precipitation.

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

In Volcano, Hawaii, the average day length in August is 12h and 46min.

When is the sunrise / sunset in August in Volcano?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 6:36 pm HST.

How long on average sun shines in August in Volcano?

In Volcano, Hawaii, the average sunshine duration in August is 9h.

What are the months with the highest UV index in Volcano?

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

How high is the UV index in August in Volcano?

In Volcano, Hawaii, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Volcano, HI

Average temperature in August - Volcano, HI
  • Average high temperature in August: 75.4°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

  • Average low temperature in August: 68.9°F

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

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Average pressure in August
Volcano, HI

Average pressure in August - Volcano, HI
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in August
Volcano, HI

Average wind speed in August - Volcano, HI
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

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Average humidity in August
Volcano, HI

Average humidity in August - Volcano, HI
  • Average humidity in August: 79%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

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Average rainfall in August
Volcano, HI

Average rainfall in August - Volcano, HI
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

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Average rainfall days in August
Volcano, HI

Average rainfall days in August - Volcano, HI
  • Average rainfall days in August: 19.5 days

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

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

Average daylight in August / Average sunshine in August - Volcano, HI
  • Average daylight in August: 12h and 46min

The month with the longest days is June (Average daylight: 13h and 17min).
The month with the shortest days is December (Average daylight: 10h and 59min).

  • Average sunshine in August: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in August
Volcano, HI

Average sunshine days in August - Volcano, HI
  • Average sunshine days in August: 1.8 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

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Average UV index in August
Volcano, HI

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

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

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Average cloud cover in August
Volcano, HI

Average cloud cover in August - Volcano, HI
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

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Average visibility in August
Volcano, HI

Average visibility in August - Volcano, 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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