July weather forecast
Kihei, HI

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Weather in July

Kihei’s weather showcases its sunniest and warmest phase in July. The seventh month witnesses a slight increase in rainfall at 0.39" (10mm), yet maintains its characteristic sunny disposition. The warm sea temperature invites travelers to participate in various water activities such as snorkeling, swimming, and paddleboarding. Longer daylight hours promise extended exploration opportunities of Hawaii's picturesque beauty.

Temperature

With July's advent, Kihei sees an average high-temperature of a still moderately hot 78.8°F (26°C), subtly shifted from June's 77.9°F (25.5°C). Nights in July showcase an average temperature of 75.6°F (24.2°C), slightly cooler than the daytime.

Humidity

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

Rainfall

In Kihei, in July, during 8.5 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Ocean temperature

In Kihei, in July, the average water temperature is 78.4°F (25.8°C).
Note: In water temperatures ranging between 77°F (25°C) and 84.2°F (29°C), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

In July, the average length of the day is 13h and 15min.
On the first day of July, sunrise is at 5:48 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:04 pm HST.

Sunshine

The average sunshine in July in Kihei is 11.2h.

UV index

The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the maximum UV index of 7 translates into these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in July?

The high-temperature, in July, in Kihei, records 78.8°F (26°C), while the low-temperature is 75.6°F (24.2°C).

What are the most humid months?

July and August, with an average relative humidity of 76%, are most humid months.

What is the average humidity in July?

The average relative humidity in July in Kihei is 76%.

How much does it rain in July?

In July, the rain falls for 8.5 days. Throughout July, 0.39" (10mm) of precipitation is accumulated.

What is the ocean temperature in July?

In Kihei, the average seawater temperature in July is 78.4°F (25.8°C). 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.

How many hours of daylight does Kihei have in July?

In July, the average day length is 13h and 15min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:48 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:04 pm HST.

How long on average sun shines in July?

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

What is the month 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 intensity in July in Kihei?

In Kihei, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Kihei, HI

Average temperature in July - Kihei, 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).

Average pressure in July
Kihei, HI

Average pressure in July - Kihei, 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).

Average wind speed in July
Kihei, HI

Average wind speed in July - Kihei, 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).

Average humidity in July
Kihei, HI

Average humidity in July - Kihei, 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%).

Average rainfall in July
Kihei, HI

Average rainfall in July - Kihei, 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").

Average rainfall days in July
Kihei, HI

Average rainfall days in July - Kihei, 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).

Average sea temperature in July
Kihei, HI

Average sea temperature in July - Kihei, 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).

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

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

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: 11h and 1min

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).

Average sunshine days in July
Kihei, HI

Average sunshine days in July - Kihei, 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).

Average UV index in July
Kihei, HI

Average UV index in July - Kihei, 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
Kihei, HI

Average cloud cover in July - Kihei, 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).

Average visibility in July
Kihei, HI

Average visibility in July - Kihei, 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).

Kihei, Hawaii, USA

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