July weather forecast
Keauhou, HI

Weather in July

July, like June, is another pleasant summer month in Keauhou, Hawaii, with average temperature fluctuating between 69.1°F (20.6°C) and 73°F (22.8°C).

Temperature

In July, the average high-temperature is almost the same as in June - a still pleasant 73°F (22.8°C). The average low-temperature, in Keauhou, is 69.1°F (20.6°C).

Humidity

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

Rainfall

In Keauhou, in July, during 21.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Keauhou, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Ocean temperature

In Keauhou, the average water temperature is 78.6°F (25.9°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 is 13.2h.

Sunshine

The average sunshine in July is 10.5h.

UV index

May through October, with an average maximum UV index of 6, are months with the highest UV index in Keauhou. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the most humid month in Keauhou?

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

What is the average humidity in July in Keauhou?

The average relative humidity in July in Keauhou is 81%.

How much does it rain in Keauhou in July?

In Keauhou, Hawaii, in July, it is raining for 21.2 days, with typically 1.38" (35mm) of accumulated precipitation.

What is the ocean temperature in July in Keauhou?

In Keauhou, in July, the average water temperature is 78.6°F (25.9°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in July in Keauhou?

In Keauhou, the average length of the day in July is 13.2h.

How many hours of sunshine does Keauhou have in July?

The average sunshine in July in Keauhou, Hawaii, is 10.5h.

When is 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, Hawaii.

How high is the UV index in July in Keauhou?

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

Average temperature in July
Keauhou, HI

Average temperature in July - Keauhou, HI
  • Average high temperature in July: 73°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 July: 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).

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Average pressure in July
Keauhou, HI

Average pressure in July - Keauhou, HI
  • Average pressure in July: 29.99"

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

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Average wind speed in July
Keauhou, HI

Average wind speed in July - Keauhou, HI
  • Average wind speed in July: 5.8mph

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).

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Average humidity in July
Keauhou, HI

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

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

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Average rainfall in July
Keauhou, HI

Average rainfall in July - Keauhou, HI
  • Average rainfall in July: 1.38"

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

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Average rainfall days in July
Keauhou, HI

Average rainfall days in July - Keauhou, HI
  • Average rainfall days in July: 21.2 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).

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Average sea temperature in July
Keauhou, HI

Average sea temperature in July - Keauhou, HI
  • Average sea temperature in July: 78.6°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).

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

Average daylight in July / Average sunshine in July - Keauhou, HI
  • Average daylight in July: 13.2h

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 July: 10.5h

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).

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Average sunshine days in July
Keauhou, HI

Average sunshine days in July - Keauhou, HI
  • Average sunshine days in July: 4.5 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).

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Average UV index in July
Keauhou, HI

Average UV index in July - Keauhou, HI
  • Average UV index in July: 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).

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Average cloud cover in July
Keauhou, HI

Average cloud cover in July - Keauhou, HI
  • Average cloud cover in July: 30

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

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Average visibility in July
Keauhou, HI

Average visibility in July - Keauhou, HI
  • Average visibility in July: 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).

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