July weather forecast and climate
Wailua, HI
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
In July, the average high-temperature is practically the same as in June - a still moderately hot 79°F (26.1°C). The average low-temperature, in July, is 75°F (23.9°C).Humidity
June through August, October and December, with an average relative humidity of 77%, are most humid months.Rainfall
In Wailua, during 20.9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Ocean temperature
In Wailua, Hawaii, the average seawater temperature is 78.8°F (26°C).Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.
Daylight
The average length of the day in Wailua is 13.3h.Sunshine
In July, the average sunshine in Wailua is 8.6h.UV index
Months with the lowest UV index in Wailua are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
FAQ
What are the most humid months in Wailua?
What is the average humidity in July in Wailua?
How many days does it rain in July in Wailua?
What is the water temperature in July in Wailua?
What is the average length of the day in July in Wailua?
How many hours of sunshine does Wailua have in July?
When is the lowest UV index in Wailua?
What is the UV index reading in July in Wailua?
Average temperature in July
Wailua, HI
- Average high temperature in July: 79°F
The warmest month (with the highest average high temperature) is September (79.7°F).
Months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in July: 75°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in July
Wailua, HI
- Average pressure in July: 30.02"
The month with the highest atmospheric pressure is April (30.07").
Months with the lowest atmospheric pressure are September and October (29.98").
Average wind speed in July
Wailua, HI
- Average wind speed in July: 12.3mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in July
Wailua, HI
- Average humidity in July: 77%
Months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in July
Wailua, HI
- Average rainfall in July: 1.77"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in July
Wailua, HI
- Average rainfall days in July: 20.9 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average sea temperature in July
Wailua, 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 (74.8°F).
Average daylight in July /
Average sunshine in July
Wailua, HI
- Average daylight in July: 13.3h
The month with the longest days is June (Average daylight: 13.5h).
The month with the shortest days is December (Average daylight: 10.8h).
- Average sunshine in July: 8.6h
The month with the most sunshine is June (Average sunshine: 9.7h).
The month with the least sunshine is November (Average sunshine: 6.2h).
Average sunshine days in July
Wailua, HI
- Average sunshine days in July: 3.9 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in July
Wailua, HI
- Average UV index in July: 6
The month with the highest UV index is September (UV index 7).
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
Wailua, HI
- Average cloud cover in July: 44
The month with the most cloud cover is March (Cloud cover 47).
Months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in July
Wailua, HI
- Average visibility in July: 6mi
Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Weather forecast for your location
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location
