Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average temperatures reach their apex in August, averaging 67.5°F (19.7°C) at the high end and 58.3°F (14.6°C) at the low end.Humidity
The average relative humidity in August is 81%.Rainfall
August is the month with the most rainfall. Rain falls for 25.7 days and accumulates 4.13" (105mm) of precipitation.Daylight
In August, the average length of the day is 12h and 47min.On the first day of August, sunrise is at 5:58 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 6:38 pm HST.
Sunshine
In August, the average sunshine is 8h.UV index
The months with the highest UV index are May through October, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
What are the temperatures in August?
What is the average humidity in August?
What is the rainiest month?
How many days does it rain in August?
What is the average length of the day in August?
When are sunrise and sunset in August in Waiaka?
How many hours of sunshine does Waiaka have in August?
When is the highest UV index?
What is the UV index intensity in August in Waiaka?
Average temperature in August
Waiaka, HI
- Average high temperature in August: 67.5°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in August
Waiaka, 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
Waiaka, HI
- Average wind speed in August: 5.5mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity in August
Waiaka, HI
- Average humidity in August: 81%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in August
Waiaka, HI
- Average rainfall in August: 4.13"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in August
Waiaka, HI
- Average rainfall days in August: 25.7 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average daylight in August /
Average sunshine in August
Waiaka, 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: 10h and 54min).
- Average sunshine in August: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in August
Waiaka, HI
- Average sunshine days in August: 2.3 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index in August
Waiaka, HI
- Average UV index in August: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in August
Waiaka, HI
- Average cloud cover in August: 40
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in August
Waiaka, 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).
Waiaka, Hawaii, USA
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