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
In August, the average high-temperature registers at a still moderately hot 79.5°F (26.4°C), nearly identical to July's 78.8°F (26°C). The nights of August are characterized by an average low-temperature of 76.3°F (24.6°C), subtly descending from daytime highs.Humidity
July and August, with an average relative humidity of 76%, are the most humid months.Rainfall
In Waikapu, in August, during 8.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Waikapu, during the entire year, the rain falls for 103.4 days and collects up to 6.57" (167mm) of precipitation.Daylight
The average length of the day in August is 12h and 49min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:04 pm. On the last day of August, sunrise is at 6:09 am and sunset at 6:42 pm HST.
Sunshine
In August, the average sunshine is 9.2h.UV index
July through October, with an average maximum UV index of 7, are months with the highest UV index in Waikapu. 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: The maximum daily UV index, 7 in August, converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Waikapu in August?
What is the most humid month?
What is the average humidity in August?
How much does it rain in August?
How many hours of daylight does Waikapu have in August?
What time are sunrise and sunset in August in Waikapu?
How many hours of sunshine does Waikapu have in August?
What is the month with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Waikapu, HI
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in August: 76.3°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in August
Waikapu, 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
Waikapu, HI
- Average wind speed in August: 13.4mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in August
Waikapu, HI
- Average humidity in August: 76%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in August
Waikapu, HI
- Average rainfall in August: 0.43"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in August
Waikapu, HI
- Average rainfall days in August: 8.7 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average daylight in August /
Average sunshine in August
Waikapu, HI
- Average daylight in August: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in August: 9h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in August
Waikapu, HI
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in August
Waikapu, HI
- Average UV index in August: 7
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in August
Waikapu, HI
- Average cloud cover in August: 24
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in August
Waikapu, 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).
Waikapu, Hawaii, USA
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