August weather forecastKawaihae, HI
August
Weather in August
August continues to ride the summer wave with temperatures gently peaking from 58.3°F (14.6°C) to 67.5°F (19.7°C) in Kawaihae. A dip in sea temperatures might be noticed, but at 79.4°F (26.3°C) it still allows for pleasurable swimming and diving experiences. A notable 4.13" (105mm) of rain might be expected, creating a pleasant contrast with the summer heat. The wind, averaging at 5.5mph (8.9km/h), adds slight freshness to the air. Regardless of the slight variations, the weather remains primarily warm, perfect to indulge in tropical delights.Temperature
Kawaihae experiences its highest average temperatures in August, reaching a peak of 67.5°F (19.7°C) and a minimum of 58.3°F (14.6°C).Humidity
The average relative humidity in August in Kawaihae is 81%.Rainfall
August is the month with the most rainfall. Rain falls for 25.7 days and accumulates 4.13" (105mm) of precipitation.Ocean temperature
In August, the average ocean temperature in Kawaihae is 79.3°F (26.3°C).Note: Water temperature ranging between 77°F (25°C) and 84.2°F (29°C) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.
Daylight
The average length of the day in August is 12h and 47min.On the first day of August, sunrise is at 5:59 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 6:39 pm HST.
Sunshine
In August, the average sunshine is 8h.UV index
May through October, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay cautious! Sand and water reflections increase UV radiation potency.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kawaihae, 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
Kawaihae, 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
Kawaihae, 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
Kawaihae, 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
Kawaihae, 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
Kawaihae, 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 sea temperature in August
Kawaihae, HI
- Average sea temperature in August: 79.4°F
The best month for swimming (with the highest average sea temperature) is September (79.6°F).
The coldest month (with the lowest average sea temperature) is March (75.8°F).
Average daylight in August /
Average sunshine in August
Kawaihae, 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: 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
Kawaihae, 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
Kawaihae, 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
Kawaihae, 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
Kawaihae, 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).
