August weather forecast
Wainiha, HI

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Weather in August

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

Temperature

August brings an average high-temperature of a still moderately hot 79.5°F (26.4°C), nearly identical to the preceding month. Consistently, Wainiha reports average nighttime temperatures of 75.7°F (24.3°C) during August, a marginal step down from its daytime highs.

Humidity

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

Rainfall

In Wainiha, in August, during 21.1 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Daylight

In Wainiha, the average length of the day in August is 12h and 52min.
On the first day of August, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:55 pm HST.

Sunshine

The average sunshine in August is 8.4h.

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 estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in August transforms into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What are August temperatures?

In Wainiha, in August, the average high-temperature 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?

The months with the highest humidity are June through August, October and December, 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 Wainiha, in August, it is raining for 21.1 days, with typically 1.89" (48mm) of accumulated precipitation.

How many hours of daylight does Wainiha have in August?

In August, the average day length is 12h and 52min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:55 pm HST.

How many hours of sunshine does Wainiha have in August?

In August, the average sunshine duration in Wainiha is 8.4h.

What are the months with the lowest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Wainiha, HI

Average temperature in August - Wainiha, 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).

Average pressure in August
Wainiha, HI

Average pressure in August - Wainiha, 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).

Average wind speed in August
Wainiha, HI

Average wind speed in August - Wainiha, 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).

Average humidity in August
Wainiha, HI

Average humidity in August - Wainiha, 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%).

Average rainfall in August
Wainiha, HI

Average rainfall in August - Wainiha, 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").

Average rainfall days in August
Wainiha, HI

Average rainfall days in August - Wainiha, 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).

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

Average daylight in August / Average sunshine in August - Wainiha, 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).

Average sunshine days in August
Wainiha, HI

Average sunshine days in August - Wainiha, 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).

Average UV index in August
Wainiha, HI

Average UV index in August - Wainiha, 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
Wainiha, HI

Average cloud cover in August - Wainiha, 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).

Average visibility in August
Wainiha, HI

Average visibility in August - Wainiha, 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).

Wainiha, Hawaii, USA

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