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 Wailuku, the average high-temperature in August is almost the same as in July - a still warm 79.5°F (26.4°C). In Wailuku, the average low-temperature is 76.3°F (24.6°C).Humidity
The months with the highest humidity in Wailuku are July and August, with an average relative humidity of 76%.Rainfall
In Wailuku, during 8.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, in Wailuku, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
The average length of the day in August is 12h and 49min.On the first day of August, sunrise is at 6:00 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:42 pm HST.
Sunshine
In Wailuku, the average sunshine in August is 9.2h.UV index
July through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in August in Wailuku?
What are the most humid months in Wailuku?
What is the average humidity in August in Wailuku?
How many days does it rain in August in Wailuku?
How many hours of daylight does Wailuku have in August?
When are sunrise and sunset in August in Wailuku?
How many hours of sunshine does Wailuku have in August?
What is the month with the highest UV index in Wailuku?
What is the UV index reading in August in Wailuku?
Average temperature in August
Wailuku, 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
Wailuku, 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
Wailuku, 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
Wailuku, 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
Wailuku, 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
Wailuku, 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
Wailuku, HI
- Average daylight in August: 12h and 49min
The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).
- Average sunshine in August: 9h and 12min
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
Wailuku, 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
Wailuku, 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
Wailuku, 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
Wailuku, 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).
Weather forecast for your location
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