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
In Ewa Beach, the months of August and September are known for the peak temperatures, reaching an average high of 81.5°F (27.5°C).Heat index
During August, the heat index is appraised at a hot 86°F (30°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Know that the heat index computations account for shaded terrains and slight winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
January, April through June, August through November, with an average relative humidity of 74%, are the least humid months in Ewa Beach.Rainfall
In Ewa Beach, in August, during 12 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 172.2 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Ocean temperature
In August, the average ocean temperature is 79.7°F (26.5°C).Note: Swimming, diving, and other water activities in the temperature range of 77°F (25°C) to 84.2°F (29°C) are perceived as very enjoyable and comfortable for prolonged durations.
Daylight
In Ewa Beach, Hawaii, the average length of the day in August is 12h and 50min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:10 pm. On the last day of August, sunrise is at 6:15 am and sunset at 6:48 pm HST.
Sunshine
In Ewa Beach, the average sunshine in August is 9.2h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 7 in August leads to these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be wary! Reflections from sand and water make UV radiation more intense.
Frequently asked questions
What part of the year is the hottest in Ewa Beach?
What is the usual temperature for Ewa Beach in August?
What is the least humid month in Ewa Beach?
What is the average humidity in August in Ewa Beach?
How many days does it rain in August in Ewa Beach?
How warm is the water in August in Ewa Beach?
What is the average length of the day in August in Ewa Beach?
When is the sunrise / sunset in August in Ewa Beach?
How long on average sun shines in August in Ewa Beach?
What are the months with the highest UV index in Ewa Beach?
What is the UV index intensity in August in Ewa Beach?
Average temperature in August
Ewa Beach, HI
- Average high temperature in August: 81.5°F
The warmest months (with the highest average high temperature) are August and September (81.5°F).
The month with the lowest average high temperature is February (74.8°F).
- Average low temperature in August: 76.3°F
The months with the highest average low temperature are August and September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.4°F).
Average pressure in August
Ewa Beach, HI
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in August
Ewa Beach, HI
- Average wind speed in August: 11.3mph
The windiest month (with the highest average wind speed) is July (11.9mph).
The calmest months (with the lowest average wind speed) are January and October (9.1mph).
Average humidity in August
Ewa Beach, HI
- Average humidity in August: 74%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January, April, May, June, August, September, October and November (74%).
Average rainfall in August
Ewa Beach, HI
- Average rainfall in August: 0.67"
The wettest month (with the highest rainfall) is March (1.77").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Ewa Beach, HI
- Average rainfall days in August: 12 days
The month with the highest number of rainy days is March (18.1 days).
The month with the least rainy days is July (11.3 days).
Average sea temperature in August
Ewa Beach, HI
- Average sea temperature in August: 79.6°F
The best month for swimming (with the highest average sea temperature) is September (80.6°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in August /
Average sunshine in August
Ewa Beach, 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 54min).
- 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: 6h and 42min).
Average sunshine days in August
Ewa Beach, HI
- Average sunshine days in August: 15.3 days
The months with the most sunshine days are July and August (15.3 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in August
Ewa Beach, HI
- Average UV index in August: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 6).
Average cloud cover in August
Ewa Beach, HI
- Average cloud cover in August: 31
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Ewa Beach, 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).
Ewa Beach, Hawaii, USA
Weather forecast for your location
2. Allow the app to use your location
