July weather forecast
Heeia, HI

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Weather in July

July, like June, in Heeia, Hawaii, is a moderately hot summer month, with an average temperature ranging between max 79.9°F (26.6°C) and min 75.7°F (24.3°C).

Temperature

The arrival of July sees an average high-temperature of a still warm 79.9°F (26.6°C), hardly diverging from June's 78.8°F (26°C). Nights in July cool down in Heeia, indicating a minor disparity from daytime highs with an average low-temperature of 75.7°F (24.3°C).

Humidity

The months with the highest humidity in Heeia are February through April, July, August, October and December, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall in Heeia, Hawaii, is July, when the rain falls for 13.9 days and typically collects 0.71" (18mm) of precipitation.

Ocean temperature

In July, the average ocean temperature is 79.2°F (26.2°C).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 77°F (25°C) to 84.2°F (29°C) is very pleasurable for extended periods, without any discomfort.

Daylight

In Heeia, Hawaii, the average length of the day in July is 13h and 17min.
On the first day of July, sunrise is at 5:52 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:10 pm HST.

Sunshine

In Heeia, Hawaii, the average sunshine in July is 9.9h.

UV index

The months with the highest UV index in Heeia are July through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 7 during July translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average July temperature in Heeia?

In Heeia, in July, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 75.7°F (24.3°C).

What is the most humid month in Heeia?

February through April, July, August, October and December, with an average relative humidity of 76%, are most humid months.

What is the average humidity in July in Heeia?

In July, the average relative humidity is 76%.

What is the driest month in Heeia?

The month with the least rainfall in Heeia is July, when the rain falls for 13.9 days and typically collects 0.71" (18mm) of precipitation.

How much does it rain in Heeia in July?

In Heeia, in July, it is raining for 13.9 days, with typically 0.71" (18mm) of accumulated precipitation.

What is the ocean temperature in July in Heeia?

In Heeia, in July, the average water temperature is 79.2°F (26.2°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 Heeia have in July?

In July, the average day length in Heeia is 13h and 17min.

When is the sunrise / sunset in July in Heeia?

In July, on the first day of the month, sunrise is at 5:52 am and sunset at 7:17 pm. On the last day of the month, in Heeia, sunrise is at 6:04 am and sunset at 7:10 pm HST.

How long on average sun shines in July in Heeia?

In July, the average sunshine duration in Heeia is 9.9h.

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

July through September, with an average maximum UV index of 7, are months with the highest UV index in Heeia, Hawaii.

How high is the UV index in July in Heeia?

In July, the average daily maximum UV index in Heeia, Hawaii, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in July
Heeia, HI

Average temperature in July - Heeia, HI
  • Average high temperature in July: 79.9°F

The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).

  • Average low temperature in July: 75.7°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).

Average pressure in July
Heeia, HI

Average pressure in July - Heeia, 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
Heeia, HI

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

The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).

Average humidity in July
Heeia, HI

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

The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).

Average rainfall in July
Heeia, HI

Average rainfall in July - Heeia, HI
  • Average rainfall in July: 0.71"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").

Average rainfall days in July
Heeia, HI

Average rainfall days in July - Heeia, HI
  • Average rainfall days in July: 13.9 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).

Average sea temperature in July
Heeia, HI

Average sea temperature in July - Heeia, HI
  • Average sea temperature in July: 79.1°F

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

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

Average daylight in July / Average sunshine in July - Heeia, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in July
Heeia, HI

Average sunshine days in July - Heeia, HI
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).

Average UV index in July
Heeia, HI

Average UV index in July - Heeia, HI
  • Average UV index in July: 7

The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).

Average cloud cover in July
Heeia, HI

Average cloud cover in July - Heeia, HI
  • Average cloud cover in July: 36

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in July
Heeia, HI

Average visibility in July - Heeia, 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).

Heeia, Hawaii, USA

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