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
The arrival of August in Kahului is marked by an average high-temperature of a still moderately hot 79.5°F (26.4°C), bearing a close resemblance to July. Kahului records a negligible downturn from daytime temperatures, averaging a low of 76.3°F (24.6°C) in the month of August.Humidity
The months with the highest humidity are July and August, with an average relative humidity of 76%.Rainfall
In Kahului, in August, it is raining for 8.7 days, with typically 0.43" (11mm) of accumulated precipitation. In Kahului, during the entire year, the rain falls for 103.4 days and collects up to 6.57" (167mm) of precipitation.Ocean temperature
In August, the average ocean temperature is 79.3°F (26.3°C).Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Daylight
The average length of the day in August is 12h and 49min.On the first day of August, sunrise is at 6:00 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:42 pm HST.
Sunshine
In August, the average sunshine is 9.2h.UV index
July through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 7 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning 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. Experience reduced UV exposure by about half when donning a wide-brim hat. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What are the most humid months in Kahului?
What is the average humidity in August in Kahului?
How much does it rain in August?
How warm is the water in August?
How many hours of daylight does Kahului have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Kahului have in August?
When is the highest UV index in Kahului?
How high is the UV index in August?
Average temperature in August
Kahului, HI
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in August: 76.3°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in August
Kahului, HI
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in August
Kahului, HI
- Average wind speed in August: 13.4mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in August
Kahului, HI
- Average humidity in August: 76%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in August
Kahului, HI
- Average rainfall in August: 0.43"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in August
Kahului, HI
- Average rainfall days in August: 8.7 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average sea temperature in August
Kahului, HI
- Average sea temperature in August: 79.4°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).
Average daylight in August /
Average sunshine in August
Kahului, 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 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in August
Kahului, HI
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in August
Kahului, 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
Kahului, HI
- Average cloud cover in August: 24
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in August
Kahului, 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).
Kahului, Hawaii, USA
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