August weather forecast
Hakalau, HI

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Hakalau, Hawaii, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 75.4°F (24.1°C).

Temperature

In Hakalau, August is the month with the highest recorded average temperatures, measuring a high of 75.4°F (24.1°C) and a low of 68.9°F (20.5°C).

Humidity

In Hakalau, the average relative humidity in August is 79%.

Rainfall

In Hakalau, in August, it is raining for 19.5 days, with typically 2.52" (64mm) of accumulated precipitation. In Hakalau, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.

Daylight

In August, the average length of the day is 12h and 47min.
On the first day of August, sunrise is at 5:56 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:36 pm HST.

Sunshine

In August, the average sunshine is 9h.

UV index

May through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What month is the hottest?

August, with an average high of 75.4°F (24.1°C) and a low of 68.9°F (20.5°C), signifies the warmest month of the year in Hakalau.

What is the temperature in August in Hakalau?

The high-temperature, in August, in Hakalau, is 75.4°F (24.1°C), while the low-temperature averages to 68.9°F (20.5°C).

What is the average humidity in August?

In Hakalau, the average relative humidity in August is 79%.

How many days does it rain in August in Hakalau?

In Hakalau, during August, the rain falls for 19.5 days and regularly aggregates up to 2.52" (64mm) of precipitation.

How many hours of daylight does Hakalau have in August?

In August, the average day length in Hakalau is 12h and 47min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:56 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:36 pm HST.

How many hours of sunshine does Hakalau have in August?

In August, the average sunshine duration is 9h.

When is the highest UV index?

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

What is the UV index intensity in August?

In Hakalau, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Hakalau, HI

Average temperature in August - Hakalau, 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).

Average pressure in August
Hakalau, HI

Average pressure in August - Hakalau, 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).

Average wind speed in August
Hakalau, HI

Average wind speed in August - Hakalau, 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).

Average humidity in August
Hakalau, HI

Average humidity in August - Hakalau, 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%).

Average rainfall in August
Hakalau, HI

Average rainfall in August - Hakalau, 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").

Average rainfall days in August
Hakalau, HI

Average rainfall days in August - Hakalau, 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).

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

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

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • 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).

Average sunshine days in August
Hakalau, HI

Average sunshine days in August - Hakalau, 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).

Average UV index in August
Hakalau, HI

Average UV index in August - Hakalau, 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).

Average cloud cover in August
Hakalau, HI

Average cloud cover in August - Hakalau, 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).

Average visibility in August
Hakalau, HI

Average visibility in August - Hakalau, 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).

Hakalau, Hawaii, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location