August weather forecast and climate
Keauhou, HI

Weather in August

August, the last month of the summer, in Keauhou, is also an agreeable month, with average temperature ranging between max 73.2°F (22.9°C) and min 69.1°F (20.6°C).

Temperature

August and October, with an average high-temperature of 73.2°F (22.9°C), are the warmest months.

Humidity

June through September, with an average relative humidity of 81%, are most humid months in Keauhou.

Rainfall

In August, the rain falls for 21.8 days. Throughout August, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Keauhou, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Ocean temperature

In August, the average ocean temperature in Keauhou is 79.5°F (26.4°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in August is 12.8h.

Sunshine

The average sunshine in August is 8.7h.

UV index

Months with the highest UV index in Keauhou are May through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
[Resources]

FAQ

What is the warmest month in Keauhou?

August and October, with an average high-temperature of 73.2°F (22.9°C), are warmest months in Keauhou.

What are the most humid months in Keauhou?

Months with the highest humidity in Keauhou, Hawaii, are June through September, with an average relative humidity of 81%.

What is the average humidity in August in Keauhou?

In Keauhou, Hawaii, the average relative humidity in August is 81%.

How many days does it rain in August in Keauhou?

In August, in Keauhou, the rain falls for 21.8 days. Throughout August, 1.73" (44mm) of precipitation is accumulated.

How warm is the water in August in Keauhou?

In Keauhou, Hawaii, the average seawater temperature in August is 79.5°F (26.4°C). 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.

How many hours of daylight does Keauhou have in August?

The average length of the day in August in Keauhou, Hawaii, is 12.8h.

How many hours of sunshine does Keauhou have in August?

In August, the average sunshine in Keauhou is 8.7h.

What is the month with the highest UV index in Keauhou?

May through October, with an average maximum UV index of 6, are months with the highest UV index in Keauhou.

How high is the UV index in August in Keauhou?

In Keauhou, Hawaii, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in August
Keauhou, HI

Average temperature in August - Keauhou, HI
  • Average high temperature in August: 73.2°F

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

[Resources]

Average pressure in August
Keauhou, HI

Average pressure in August - Keauhou, HI
  • Average pressure in August: 29.97"

The month with the highest atmospheric pressure is April (30.04").
Months with the lowest atmospheric pressure are September and October (29.96").

[Resources]

Average wind speed in August
Keauhou, HI

Average wind speed in August - Keauhou, HI
  • Average wind speed in August: 6.1mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

[Resources]

Average humidity in August
Keauhou, HI

Average humidity in August - Keauhou, HI
  • Average humidity in August: 81%

Months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

[Resources]

Average rainfall in August
Keauhou, HI

Average rainfall in August - Keauhou, HI
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

[Resources]

Average rainfall days in August
Keauhou, HI

Average rainfall days in August - Keauhou, HI
  • Average rainfall days in August: 21.8 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

[Resources]

Average sea temperature in August
Keauhou, HI

Average sea temperature in August - Keauhou, HI
  • Average sea temperature in August: 79.5°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 (76°F).

[Resources]

Average daylight in August /
Average sunshine in August
Keauhou, HI

Average daylight in August / Average sunshine in August - Keauhou, HI
  • Average daylight in August: 12.8h

The month with the longest days is June (Average daylight: 13.3h).
The month with the shortest days is December (Average daylight: 11h).

  • Average sunshine in August: 8.7h

The month with the most sunshine is May (Average sunshine: 10.7h).
Months with the least sunshine are November and December (Average sunshine: 7.3).

[Resources]

Average sunshine days in August
Keauhou, HI

Average sunshine days in August - Keauhou, HI
  • Average sunshine days in August: 4 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

[Resources]

Average UV index in August
Keauhou, HI

Average UV index in August - Keauhou, HI
  • Average UV index in August: 6

Months with the highest UV index are May, June, July, August, September and October (UV index 6).
Months with the lowest UV index are January, February, March, April, November and December (UV index 5).

[Resources]

Average cloud cover in August
Keauhou, HI

Average cloud cover in August - Keauhou, HI
  • Average cloud cover in August: 28

The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).

[Resources]

Average visibility in August
Keauhou, HI

Average visibility in August - Keauhou, HI
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location