August weather forecastKeanakolu, HI
August
Weather in August
The last month of the summer, August, is another refreshing month in Keanakolu, Hawaii, with an average temperature fluctuating between 58.3°F (14.6°C) and 67.5°F (19.7°C).Temperature
August, recognised by an average high temperature of 67.5°F (19.7°C) and a low of 58.3°F (14.6°C), is Keanakolu's warmest month.Humidity
In August, the average relative humidity in Keanakolu is 81%.Rainfall
The month with the most rainfall in Keanakolu is August, when the rain falls for 25.7 days and typically aggregates up to 4.13" (105mm) of precipitation.Daylight
In Keanakolu, the average length of the day in August is 12h and 47min.On the first day of August, sunrise is at 5:57 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 6:36 pm HST.
Sunshine
The average sunshine in August 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 value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 5 in August translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Keanakolu, 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
Keanakolu, 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
Keanakolu, 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
Keanakolu, 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
Keanakolu, 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
Keanakolu, 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
Keanakolu, HI
- Average daylight in August: 12h and 48min
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: 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
Keanakolu, 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
Keanakolu, 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
Keanakolu, 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
Keanakolu, 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).
