August weather forecastPapaikou, HI
August
Weather in August
The last month of the summer, August, is another warm month in Papaikou, Hawaii, with an average temperature varying between 68.9°F (20.5°C) and 75.4°F (24.1°C).Temperature
Papaikou's temperatures tend to reach their peak averages in August, with a high of 75.4°F (24.1°C) and a low of 68.9°F (20.5°C).Humidity
In August, the average relative humidity is 79%.Rainfall
In Papaikou, Hawaii, in August, during 19.5 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Papaikou, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.Ocean temperature
In August, the average ocean temperature is 79.2°F (26.2°C).Note: For engaging in water activities including swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are perceived as perfect, providing pleasure for extended durations.
Daylight
The average length of the day in August is 12h and 47min.On the first day of August, sunrise is at 5:56 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:35 pm HST.
Sunshine
The average sunshine in August is 9h.UV index
The months with the highest UV index are May through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Papaikou, HI
- Average high temperature in August: 75.4°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in August: 68.9°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in August
Papaikou, 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
Papaikou, HI
- Average wind speed in August: 7.6mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in August
Papaikou, HI
- Average humidity in August: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in August
Papaikou, HI
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in August
Papaikou, HI
- Average rainfall days in August: 19.5 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average sea temperature in August
Papaikou, HI
- Average sea temperature in August: 79.1°F
The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in August /
Average sunshine in August
Papaikou, 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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in August
Papaikou, HI
- Average sunshine days in August: 1.8 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in August
Papaikou, HI
- Average UV index in August: 6
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in August
Papaikou, HI
- Average cloud cover in August: 33
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in August
Papaikou, 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).
