July weather forecastAiea, HI
July
Weather in July
July is undisputedly a summer month in Aiea where the climate reaches its warmest period. However, the Hawaiian respect for natural moderation ensures that 'warm' does not translate into 'uncomfortably hot.' Along with the extended daylight hours, the wind speed slightly increases, bringing the fresh ocean air inland. The most striking characteristic of July, however, is the highest sea temperature of the year, 79.1°F (26.2°C), turning the beaches into a haven for residents and tourists.Temperature
The introduction of July sees an average high-temperature of a still warm 80.4°F (26.9°C), hardly deviating from June. In July, Aiea experiences a marginal drop in temperature, with averages of 75°F (23.9°C) at night.Humidity
In July, the average relative humidity in Aiea is 75%.Rainfall
July is the month with the least rainfall. Rain falls for 16.4 days and accumulates 0.67" (17mm) of precipitation.Ocean temperature
In Aiea, the average seawater temperature in July is 79.2°F (26.2°C).Note: For water activities like swimming, diving, and more, temperatures ranging between 77°F (25°C) and 84.2°F (29°C) offer superior comfort and enjoyment for lengthy 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
In July, the average sunshine is 9.9h.UV index
The months with the highest UV index are July through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 7 during July morphs into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Aiea, HI
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is September (81.5°F).
The months with the lowest average high temperature are February and March (75°F).
- Average low temperature in July: 75°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in July
Aiea, 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
Aiea, HI
- Average wind speed in July: 12.1mph
The windiest month (with the highest average wind speed) is July (12.1mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in July
Aiea, 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, September and November (74%).
Average rainfall in July
Aiea, HI
- Average rainfall in July: 0.67"
The wettest months (with the highest rainfall) are March and October (1.81").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in July
Aiea, HI
- Average rainfall days in July: 16.4 days
The months with the highest number of rainy days are March and October (18 days).
The month with the least rainy days is January (12.6 days).
Average sea temperature in July
Aiea, 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
Aiea, HI
- Average daylight in July: 13h and 18min
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 54min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in July
Aiea, HI
- Average sunshine days in July: 8.8 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is October (6.3 days).
Average UV index in July
Aiea, 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
Aiea, HI
- Average cloud cover in July: 35
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are January and September (Cloud cover 33).
Average visibility in July
Aiea, 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).
