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 start of July sees the average high-temperature at a still agreeable 73°F (22.8°C), showing little difference from June's 72.1°F (22.3°C). In July, Naalehu's nights cool slightly to a consistent average temperature of 69.1°F (20.6°C).

Humidity

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

Rainfall

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

Daylight

In July, the average length of the day is 13h and 9min.
On the first day of July, 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.

Sunshine

In July, the average sunshine in Naalehu is 10.5h.

UV index

May through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in July?

In July, in Naalehu, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 69.1°F (20.6°C).

What is the most humid month?

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

What is the average humidity in July in Naalehu?

In Naalehu, the average relative humidity in July is 81%.

How many days does it rain in July?

In July, the rain falls for 21.2 days. Throughout July, 1.38" (35mm) of precipitation is accumulated.

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

In July, the average day length is 13h and 9min.

When is the sunrise / sunset in July?

On the first day of July, 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?

In July, the average sunshine duration is 10.5h.

What are the months with the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

Naalehu, Hawaii, USA

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