July weather forecastHeeia, HI
July
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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 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: 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: 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: 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: 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).
