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 and September, when the average high-temperature reaches 81°F (27.2°C), are the warmest months.Heat index
In August, the average heat index is estimated at a hot 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The months with the highest humidity are February through April, July, August, October and December, with an average relative humidity of 76%.Rainfall
In Kaaawa, during August, the rain falls for 13.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 187.1 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Ocean temperature
In August, the average ocean temperature is 79.2°F (26.2°C).Note: For activities such as swimming and diving, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.
Daylight
The average length of the day in August in Kaaawa is 12h and 51min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:10 pm. On the last day of August, sunrise is at 6:14 am and sunset at 6:48 pm HST.
Sunshine
In August, the average sunshine is 8.7h.UV index
July through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
What are August temperatures?
What are the most humid months?
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 Kaaawa have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Kaaawa have in August?
What are the months with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Kaaawa, HI
- Average high temperature in August: 81°F
The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in August: 76.6°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).
Average pressure in August
Kaaawa, HI
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in August
Kaaawa, HI
- Average wind speed in August: 12.9mph
The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).
Average humidity in August
Kaaawa, HI
- Average humidity in August: 76%
The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).
Average rainfall in August
Kaaawa, HI
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in August
Kaaawa, HI
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).
Average sea temperature in August
Kaaawa, HI
- Average sea temperature in August: 79.2°F
The best month for swimming (with the highest average sea temperature) is September (80.1°F).
The coldest month (with the lowest average sea temperature) is March (75°F).
Average daylight in August /
Average sunshine in August
Kaaawa, HI
- Average daylight in August: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in August: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in August
Kaaawa, HI
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in August
Kaaawa, 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
Kaaawa, HI
- Average cloud cover in August: 36
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Kaaawa, 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).
Kaaawa, Hawaii, USA
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