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
At the start of August, Hanalei's average high-temperature reaches a still warm 79.5°F (26.4°C), subtly different from the preceding month. During the nights of August, the average low-temperature in Hanalei holds at a still warm 75.7°F (24.3°C).Humidity
June through August, October and December, with an average relative humidity of 77%, are the most humid months in Hanalei.Rainfall
In Hanalei, in August, during 21.1 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Hanalei, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Ocean temperature
In Hanalei, the average seawater temperature in August is 78.8°F (26°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.
Daylight
In August, the average length of the day in Hanalei is 12h and 52min.On the first day of August in Hanalei, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 6:55 pm HST.
Sunshine
The average sunshine in August is 8.4h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Hanalei. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The Sun's UV exposure elevates with sand and water reflections.
Frequently asked questions
What is the temperature in August in Hanalei?
What are the most humid months in Hanalei?
What is the average humidity in August in Hanalei?
How many days does it rain in August in Hanalei?
What is the ocean temperature in August in Hanalei?
What is the average length of the day in August in Hanalei?
What time are sunrise and sunset in August in Hanalei?
How many hours of sunshine does Hanalei have in August?
What is the month with the lowest UV index in Hanalei?
What is the UV index reading in August in Hanalei?
Average temperature in August
Hanalei, HI
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in August: 75.7°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in August
Hanalei, HI
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in August
Hanalei, HI
- Average wind speed in August: 12.1mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in August
Hanalei, HI
- Average humidity in August: 77%
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in August
Hanalei, HI
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in August
Hanalei, HI
- Average rainfall days in August: 21.1 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average sea temperature in August
Hanalei, 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
Hanalei, 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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in August
Hanalei, HI
- Average sunshine days in August: 2.9 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in August
Hanalei, HI
- Average UV index in August: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in August
Hanalei, HI
- Average cloud cover in August: 44
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in August
Hanalei, 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).
Hanalei, Hawaii, USA
Weather forecast for your location
2. Allow the app to use your location
