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 sea temperature 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
August is the warmest month, with the temperature often reaching an average high of 80.8°F (27.1°C) and an average low of 76.1°F (24.5°C).Heat index
In August, the average heat index is computed to be 84.2°F (29°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
February through April, June through August, October and December, with an average relative humidity of 75%, are the most humid months in Hanapepe.Rainfall
In Hanapepe, in August, during 13.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 172.7 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Ocean temperature
In August, the average ocean temperature is 79.9°F (26.6°C).Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
In August, the average length of the day is 12h and 52min.On the first day of August, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:55 pm HST.
Sunshine
The average sunshine in August is 9.2h.UV index
The months with the highest UV index are July through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 7 in August translates into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! Sand and water surfaces escalate the UV intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
What is the average August temperature?
What is the most humid month?
What is the average humidity in August?
How much does it rain in August?
What is the ocean temperature in August?
How many hours of daylight does Hanapepe have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Hanapepe have in August?
What are the months with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Hanapepe, HI
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The months with the lowest average high temperature are February and March (73.4°F).
- Average low temperature in August: 76.1°F
The month with the highest average low temperature is September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in August
Hanapepe, HI
- Average pressure in August: 30"Hg
The months with the highest atmospheric pressure are March and April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in August
Hanapepe, HI
- Average wind speed in August: 9.6mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is May (8.6mph).
Average humidity in August
Hanapepe, HI
- Average humidity in August: 75%
The months with the highest relative humidity are February, March, April, June, July, August, October and December (75%).
The months with the lowest relative humidity are January, May, September and November (74%).
Average rainfall in August
Hanapepe, HI
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in August
Hanapepe, HI
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is January (11.5 days).
Average sea temperature in August
Hanapepe, HI
- Average sea temperature in August: 79.8°F
The best month for swimming (with the highest average sea temperature) is September (80.5°F).
The coldest month (with the lowest average sea temperature) is March (75.4°F).
Average daylight in August /
Average sunshine in August
Hanapepe, HI
- Average daylight in August: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in August: 9h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in August
Hanapepe, HI
- Average sunshine days in August: 11.2 days
The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in August
Hanapepe, HI
- Average UV index in August: 7
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in August
Hanapepe, HI
- Average cloud cover in August: 30
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are January and September (Cloud cover 28).
Average visibility in August
Hanapepe, 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).
Hanapepe, Hawaii, USA
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