August weather forecastMaunaloa, HI
August
Weather in August
In August, the town of Maunaloa, Hawaii experiences peak temperatures, reaching up to 80.2°F (26.8°C). As the month advances, the amount of daylight begins to diminish, signaling the end of summer. The trade winds decrease their intensity without disappearing entirely, adding a soothing touch to hot days. However, pressure shifts suggest an incoming change in weather patterns, so prepare for more dynamic conditions. Despite the heat, sea temperatures rise, promising warm, inviting waters for swimmers and surfers alike.Temperature
Peak temperatures are observed in August and September, averaging a high-temperature of 80.2°F (26.8°C).Humidity
April through August, with an average relative humidity of 76%, are the most humid months.Rainfall
In Maunaloa, during August, the rain falls for 9 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Ocean temperature
In Maunaloa, in August, the average water temperature is 78.8°F (26°C).Note: For engaging in any water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
In August, the average length of the day is 12h and 50min.On the first day of August, sunrise is at 6:02 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 6:45 pm HST.
Sunshine
In Maunaloa, Hawaii, the average sunshine in August is 9.4h.UV index
June through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes 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:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. 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
Average temperature in August
Maunaloa, HI
- Average high temperature in August: 80.2°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in August: 77°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in August
Maunaloa, 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
Maunaloa, HI
- Average wind speed in August: 13.5mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in August
Maunaloa, HI
- Average humidity in August: 76%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in August
Maunaloa, HI
- Average rainfall in August: 0.43"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in August
Maunaloa, HI
- Average rainfall days in August: 9 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature in August
Maunaloa, HI
- Average sea temperature in August: 79°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in August /
Average sunshine in August
Maunaloa, HI
- Average daylight in August: 12h and 48min
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 24min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in August
Maunaloa, HI
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in August
Maunaloa, HI
- Average UV index in August: 7
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in August
Maunaloa, HI
- Average cloud cover in August: 24
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in August
Maunaloa, 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).
