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
Lahaina's transition from July to August introduces an average high-temperature of a still warm 79.3°F (26.3°C), marking an insignificant variation from the 78.8°F (26°C). Night temperatures during August in Lahaina experience a slight downturn, averaging a still warm 76.5°F (24.7°C).Humidity
In August, the average relative humidity in Lahaina, Hawaii, is 76%.Rainfall
In Lahaina, during August, the rain falls for 7.9 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 112.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Ocean temperature
In Lahaina, the average seawater temperature in August is 79.5°F (26.4°C).Note: Swimming, diving, and other activities in water temperatures between 77°F (25°C) and 84.2°F (29°C) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.
Daylight
The average length of the day in August is 12h and 49min.On the first day of August in Lahaina, Hawaii, sunrise is at 6:01 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 6:43 pm HST.
Sunshine
In Lahaina, the average sunshine in August is 9.1h.UV index
The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 7 suggests this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lahaina in August?
What is the average humidity in August in Lahaina?
How many days does it rain in August in Lahaina?
What is the ocean temperature in August in Lahaina?
How many hours of daylight does Lahaina have in August?
What time are sunrise and sunset in August in Lahaina?
How long on average sun shines in August in Lahaina?
When is the highest UV index in Lahaina?
What is the UV index intensity in August in Lahaina?
Average temperature in August
Lahaina, HI
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in August: 76.5°F
The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).
Average pressure in August
Lahaina, HI
- Average pressure in August: 29.98"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
Lahaina, 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 (10.6mph).
Average humidity in August
Lahaina, HI
- Average humidity in August: 76%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).
Average rainfall in August
Lahaina, HI
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Lahaina, HI
- Average rainfall days in August: 7.9 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).
Average sea temperature in August
Lahaina, HI
- Average sea temperature in August: 79.6°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (76°F).
Average daylight in August /
Average sunshine in August
Lahaina, 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in August
Lahaina, HI
- Average sunshine days in August: 17.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in August
Lahaina, HI
- Average UV index in August: 7
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in August
Lahaina, HI
- Average cloud cover in August: 28
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in August
Lahaina, 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).
Lahaina, Hawaii, USA
Weather forecast for your location
2. Allow the app to use your location