July weather forecast
Kahului, HI

Weather in July

July, like June, in Kahului, Hawaii, is another warm summer month, with an average temperature fluctuating between 78.8°F (26°C) and 75.6°F (24.2°C).

Temperature

In July, the average high-temperature is practically the same as in June - a still warm 78.8°F (26°C). The average low-temperature, in Kahului, is 75.6°F (24.2°C).

Humidity

The months with the highest humidity are July and August, with an average relative humidity of 76%.

Rainfall

In Kahului, Hawaii, it is raining for 8.5 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Kahului, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Ocean temperature

In Kahului, the average water temperature is 78.4°F (25.8°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

In Kahului, the average length of the day in July is 13h and 16min.
On the first day of July, sunrise is at 5:48 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:04 pm HST.

Sunshine

In Kahului, Hawaii, the average sunshine in July is 11.2h.

UV index

The months with the highest UV index in Kahului, Hawaii, are July through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in July in Kahului?

In Kahului, Hawaii, in July, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 75.6°F (24.2°C).

What are the most humid months in Kahului?

The months with the highest humidity in Kahului, Hawaii, are July and August, with an average relative humidity of 76%.

What is the average humidity in July in Kahului?

In July, the average relative humidity is 76%.

How much does it rain in Kahului in July?

In Kahului, Hawaii, in July, it is raining for 8.5 days, with typically 0.39" (10mm) of accumulated precipitation.

What is the water temperature in July in Kahului?

In Kahului, the average seawater temperature in July is 78.4°F (25.8°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.

How many hours of daylight does Kahului have in July?

In Kahului, Hawaii, the average day length in July is 13h and 16min.

When are sunrise and sunset in July in Kahului?

In July, on the first day of the month, sunrise is at 5:48 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:04 pm HST.

How many hours of sunshine does Kahului have in July?

In Kahului, Hawaii, the average sunshine duration in July is 11.2h.

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

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

How high is the UV index in July in Kahului?

In July, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

Average temperature in July
Kahului, HI

Average temperature in July - Kahului, HI
  • Average high temperature in July: 78.8°F

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in July: 75.6°F

The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).

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Average pressure in July
Kahului, HI

Average pressure in July - Kahului, HI
  • Average pressure in July: 30"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in July
Kahului, HI

Average wind speed in July - Kahului, HI
  • Average wind speed in July: 13.5mph

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

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Average humidity in July
Kahului, HI

Average humidity in July - Kahului, HI
  • Average humidity in July: 76%

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in July
Kahului, HI

Average rainfall in July - Kahului, HI
  • Average rainfall in July: 0.39"

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in July
Kahului, HI

Average rainfall days in July - Kahului, HI
  • Average rainfall days in July: 8.5 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

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Average sea temperature in July
Kahului, HI

Average sea temperature in July - Kahului, HI
  • Average sea temperature in July: 78.5°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 (75.6°F).

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

Average daylight in July / Average sunshine in July - Kahului, HI
  • Average daylight in July: 13h and 16min

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

  • Average sunshine in July: 11h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in July
Kahului, HI

Average sunshine days in July - Kahului, HI
  • Average sunshine days in July: 16 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in July
Kahului, HI

Average UV index in July - Kahului, 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).

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Average cloud cover in July
Kahului, HI

Average cloud cover in July - Kahului, HI
  • Average cloud cover in July: 24

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).

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Average visibility in July
Kahului, HI

Average visibility in July - Kahului, 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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