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
The transition from June to July brings an average high-temperature of a still warm 80.4°F (26.9°C), barely different from June's 79.5°F (26.4°C). Honolulu navigates through July with a barely noticeable decrease in temperature at night, stabilizing at a still moderately hot 75°F (23.9°C).Humidity
In Honolulu, the average relative humidity in July is 75%.Rainfall
The month with the least rainfall in Honolulu is July, when the rain falls for 16.4 days and typically collects 0.67" (17mm) of precipitation.Ocean temperature
In Honolulu, in July, the average water temperature is 79.2°F (26.2°C).Note: Swimming, diving, and other activities in water temperatures between 77°F (25°C) and 84.2°F (29°C) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.
Daylight
In Honolulu, the average length of the day in July is 13h and 17min.On the first day of July in Honolulu, sunrise is at 5:53 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
The average sunshine in July in Honolulu, Hawaii, is 9.9h.UV index
July through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during July leads to these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Frequently asked questions
What is the temperature in July in Honolulu?
What is the average humidity in July in Honolulu?
What is the driest month in Honolulu?
How many days does it rain in July in Honolulu?
How warm is the water in July in Honolulu?
What is the average length of the day in July in Honolulu?
What time are sunrise and sunset in July in Honolulu?
How long on average sun shines in July in Honolulu?
What are the months with the highest UV index in Honolulu?
How high is the UV index in July in Honolulu?
Average temperature in July
Honolulu, 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
Honolulu, 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
Honolulu, 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
Honolulu, 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
Honolulu, 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
Honolulu, 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
Honolulu, 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
Honolulu, 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 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in July
Honolulu, 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
Honolulu, 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
Honolulu, 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
Honolulu, 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).
Honolulu, Hawaii, USA
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