July weather forecast
Kaanapali, HI

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Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii
Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii

Weather in July

Road to the peak of the summer, July marks the most humid month with a relative humidity of 77%. Even with the increased humidity, the almost negligible rainfall of 0.35" (9mm) keeps the temperatures tolerable. The surge in UV indexes to 7, along with steady sea temperatures, demands ample sunscreen for beach days. The hot, humid daytime conditions are balanced by slightly cooler, comfortable nights.

Temperature

Kaanapali marks the onset of July with an average high-temperature of a still warm 78.8°F (26°C), subtly divergent from June's 77.9°F (25.5°C). Kaanapali's nights throughout July are marked by an average low temperature of 75.7°F (24.3°C), a minor drop from the day's high.

Humidity

The most humid month is July, with an average relative humidity of 77%.

Rainfall

July is the month with the least rainfall in Kaanapali. Rain falls for 7.8 days and accumulates 0.35" (9mm) of precipitation.

Ocean temperature

In Kaanapali, in July, the average water temperature is 78.6°F (25.9°C).
Note: Water activities in surface temperatures between 77°F (25°C) and 84.2°F (29°C) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

In Kaanapali, the average length of the day in July is 13h and 16min.
On the first day of July, sunrise is at 5:49 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:05 pm HST.

Sunshine

The average sunshine in July is 10.9h.

UV index

The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during July translates into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Kaanapali in July?

The high-temperature during July is 78.8°F (26°C) and the low-temperature is 75.7°F (24.3°C).

What is the most humid month in Kaanapali?

The most humid month is July, with an average relative humidity of 77%.

What is the average humidity in July?

The average relative humidity in July is 77%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.35" (9mm) of precipitation.

How much does it rain in July?

In Kaanapali, during July, the rain falls for 7.8 days and regularly aggregates up to 0.35" (9mm) of precipitation.

How warm is the water in July?

In Kaanapali, Hawaii, 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?

The average day length in July is 13h and 16min.

When is the sunrise / sunset in July in Kaanapali?

On the first day of July, sunrise is at 5:49 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:05 pm HST.

How many hours of sunshine does Kaanapali have in July?

In July, the average sunshine duration is 10.9h.

What are the months with the highest UV index?

July through October, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in July?

The average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in July
Kaanapali, HI

Average temperature in July - Kaanapali, HI
  • Average high temperature in July: 78.8°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 July: 75.7°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 July
Kaanapali, HI

Average pressure in July - Kaanapali, HI
  • Average pressure in July: 30.01"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 July
Kaanapali, HI

Average wind speed in July - Kaanapali, HI
  • Average wind speed in July: 13.9mph

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 July
Kaanapali, HI

Average humidity in July - Kaanapali, HI
  • Average humidity in July: 77%

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 July
Kaanapali, HI

Average rainfall in July - Kaanapali, HI
  • Average rainfall in July: 0.35"

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 July
Kaanapali, HI

Average rainfall days in July - Kaanapali, HI
  • Average rainfall days in July: 7.8 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 July
Kaanapali, HI

Average sea temperature in July - Kaanapali, HI
  • Average sea temperature in July: 78.6°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 July /
Average sunshine in July
Kaanapali, HI

Average daylight in July / Average sunshine in July - Kaanapali, HI
  • Average daylight in July: 13h and 2min

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 July: 10h and 5min

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 July
Kaanapali, HI

Average sunshine days in July - Kaanapali, HI
  • Average sunshine days in July: 17.5 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 July
Kaanapali, HI

Average UV index in July - Kaanapali, HI
  • Average UV index in July: 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 July
Kaanapali, HI

Average cloud cover in July - Kaanapali, HI
  • Average cloud cover in July: 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 July
Kaanapali, HI

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

Kaanapali, Hawaii, USA

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