July weather forecast
Naalehu, HI

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Weather in July

With the arrival of July, Naalehu reaches the peak of its warm weather. Precipitation comes down a notch from June, allowing more clear days for outdoor activities. As for the temperature, it takes a subtle leap, crossing the threshold of 72°F (22.2°C). Despite the shift in weather metrics, the overall environment remains as pleasant as always, perfect for exploration and enjoyment of the breathtaking natural landscapes that Naalehu offers.

Temperature

The beginning of July in Naalehu records an average high-temperature of a still agreeable 73°F (22.8°C), almost echoing the conditions of the previous month. Naalehu maintains a minor drop in temperature during July nights, with averages of 69.1°F (20.6°C).

Humidity

The months with the highest humidity in Naalehu are June through September, with an average relative humidity of 81%.

Rainfall

In Naalehu, in July, it is raining for 21.2 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Naalehu, Hawaii, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Daylight

In July, the average length of the day in Naalehu, Hawaii, is 13h and 9min.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:04 pm. On the last day of July, in Naalehu, sunrise is at 5:59 am and sunset at 6:58 pm HST.

Sunshine

The average sunshine in July is 10.5h.

UV index

The months with the highest UV index in Naalehu, Hawaii, are May through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 during July leads to these advisories:
Deter overexposure. Protecting against the sun's effects is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the average July temperature in Naalehu?

During July, Naalehu experiences an average high-temperature of 73°F (22.8°C) and a low-temperature of 69.1°F (20.6°C).

What are the most humid months in Naalehu?

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

What is the average humidity in July in Naalehu?

In July, the average relative humidity is 81%.

How much does it rain in Naalehu in July?

In Naalehu, Hawaii, in July, during 21.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

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

The average day length in July in Naalehu, Hawaii, is 13h and 9min.

When are sunrise and sunset in July in Naalehu?

On the first day of July in Naalehu, Hawaii, sunrise is at 5:48 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:58 pm HST.

How many hours of sunshine does Naalehu have in July?

The average sunshine duration in July is 10.5h.

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

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

How high is the UV index in July in Naalehu?

In Naalehu, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Naalehu, HI

Average temperature in July - Naalehu, 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
Naalehu, HI

Average pressure in July - Naalehu, HI
  • Average pressure in July: 29.99"Hg

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

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Average wind speed in July
Naalehu, HI

Average wind speed in July - Naalehu, 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
Naalehu, HI

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

The 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
Naalehu, HI

Average rainfall in July - Naalehu, 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
Naalehu, HI

Average rainfall days in July - Naalehu, 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 daylight in July /
Average sunshine in July
Naalehu, HI

Average daylight in July / Average sunshine in July - Naalehu, HI
  • Average daylight in July: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

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Average sunshine days in July
Naalehu, HI

Average sunshine days in July - Naalehu, 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
Naalehu, HI

Average UV index in July - Naalehu, HI
  • Average UV index in July: 6

The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The 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
Naalehu, HI

Average cloud cover in July - Naalehu, 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
Naalehu, HI

Average visibility in July - Naalehu, 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).

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Naalehu, Hawaii, USA

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