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
July's commencement is accompanied by an average high-temperature of a still moderately hot 81.1°F (27.3°C), diverging marginally from June's 79.7°F (26.5°C). In July, Pearl City's nights cool slightly to a consistent average temperature of 74.5°F (23.6°C).Heat index
The heat index value for July is computed to be a tropical 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in July is 75%.Rainfall
The month with the least rainfall is July, when the rain falls for 16.4 days and typically collects 0.71" (18mm) of precipitation.Ocean temperature
In July, the average ocean temperature in Pearl City is 79.2°F (26.2°C).Note: Swimming, diving, and other water activities in the temperature range of 77°F (25°C) to 84.2°F (29°C) are perceived as very enjoyable and comfortable for prolonged durations.
Daylight
In July, the average length of the day is 13h and 17min.On the first day of July, sunrise is at 5:53 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:11 pm HST.
Sunshine
The average sunshine in July is 9.3h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in July?
What is the average humidity in July?
What is the driest month?
How much does it rain in July?
What is the water temperature in July?
What is the average length of the day in July?
When are sunrise and sunset in July?
How many hours of sunshine does Pearl City have in July?
What is the month with the lowest UV index?
What is the UV index intensity in July?
Average temperature in July
Pearl City, HI
- Average high temperature in July: 81.1°F
The warmest months (with the highest average high temperature) are August and September (82°F).
The months with the lowest average high temperature are February and March (75.4°F).
- Average low temperature in July: 74.5°F
The month with the highest average low temperature is September (75°F).
The coldest month (with the lowest average low temperature) is February (68°F).
Average pressure in July
Pearl City, 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
Pearl City, HI
- Average wind speed in July: 11.3mph
The windiest month (with the highest average wind speed) is July (11.3mph).
The calmest month (with the lowest average wind speed) is January (8.4mph).
Average humidity in July
Pearl City, 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 April, May, June and September (74%).
Average rainfall in July
Pearl City, HI
- Average rainfall in July: 0.71"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in July
Pearl City, HI
- Average rainfall days in July: 16.4 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is January (13.5 days).
Average sea temperature in July
Pearl City, 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
Pearl City, 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 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in July
Pearl City, HI
- Average sunshine days in July: 9.8 days
The month with the most sunshine days is January (12.3 days).
The month with the least sunshine days is November (6.2 days).
Average UV index in July
Pearl City, HI
- Average UV index in July: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in July
Pearl City, HI
- Average cloud cover in July: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in July
Pearl City, 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).
Pearl City, Hawaii, USA
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