Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Haleiwa's transition from June to July introduces an average high-temperature of a still moderately hot 80.8°F (27.1°C), marking an insignificant variation from the 79.9°F (26.6°C). Throughout the nights in July, Haleiwa notes an average low of 75.2°F (24°C), a small dip from the daytime peak.Heat index
The heat index for July is evaluated at 84.2°F (29°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In Haleiwa, the average relative humidity in July is 75%.Rainfall
July is the month with the least rainfall. Rain falls for 16.6 days and accumulates 0.63" (16mm) of precipitation.Ocean temperature
In Haleiwa, the average seawater temperature in July is 78.6°F (25.9°C).Note: Water temperature ranging from 77°F (25°C) to 84.2°F (29°C) is seen as very warm and delightful by everyone. During these temperatures, water activities become enjoyable, without causing discomfort for extended periods.
Daylight
The average length of the day in July in Haleiwa is 13h and 18min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:19 pm. On the last day of July, in Haleiwa, Hawaii, sunrise is at 6:05 am and sunset at 7:12 pm HST.
Sunshine
In July, the average sunshine in Haleiwa is 9.2h.UV index
The months with the highest UV index are July and September, 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 rays for the average person.Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Haleiwa in July?
What is the average humidity in July in Haleiwa?
What is the driest month in Haleiwa?
How much does it rain in Haleiwa in July?
How warm is the water in July in Haleiwa?
What is the average length of the day in July in Haleiwa?
When are sunrise and sunset in July in Haleiwa?
How many hours of sunshine does Haleiwa have in July?
When is the highest UV index in Haleiwa?
What is the UV index reading in July in Haleiwa?
Average temperature in July
Haleiwa, HI
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is September (81.7°F).
The month with the lowest average high temperature is February (75°F).
- Average low temperature in July: 75.2°F
The months with the highest average low temperature are August and September (75.7°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in July
Haleiwa, HI
- Average pressure in July: 30.01"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).
Average wind speed in July
Haleiwa, HI
- Average wind speed in July: 11.6mph
The windiest month (with the highest average wind speed) is July (11.6mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in July
Haleiwa, HI
- Average humidity in July: 75%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are May and September (74%).
Average rainfall in July
Haleiwa, HI
- Average rainfall in July: 0.63"
The wettest months (with the highest rainfall) are February and October (1.34").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in July
Haleiwa, HI
- Average rainfall days in July: 16.6 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is January (12.5 days).
Average sea temperature in July
Haleiwa, HI
- Average sea temperature in July: 78.7°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (75.2°F).
Average daylight in July /
Average sunshine in July
Haleiwa, 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 48min).
- Average sunshine in July: 9h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in July
Haleiwa, HI
- Average sunshine days in July: 6.8 days
The month with the most sunshine days is January (12.9 days).
The month with the least sunshine days is September (6.5 days).
Average UV index in July
Haleiwa, HI
- Average UV index in July: 7
The months with the highest UV index are July and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, October, November and December (UV index 6).
Average cloud cover in July
Haleiwa, HI
- Average cloud cover in July: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are January and September (Cloud cover 37).
Average visibility in July
Haleiwa, 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).
Haleiwa, Hawaii, USA
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