July weather forecastPrinceville, HI
July
Weather in July
July produces the highest pressure readings of the year in Princeville, with a stable average of 30.02in across the month. Though one of the hottest months, the weather conditions in July showcase the tropical summer at its finest. Regular rainfall keeps the natural landscapes vibrant and has a cooling effect, easing the summer heat. Consistent wind speeds provide a refreshing respite from the humidity. All in all, July's weather paints a classic picture of Hawaiian summers - warm, wet, and wonderfully tropical.Temperature
Princeville observes a minor difference in average high-temperatures between June's 78.3°F (25.7°C) and July's 79°F (26.1°C). During July, Princeville's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a still moderately hot 75°F (23.9°C).Humidity
The months with the highest humidity in Princeville are June through August, October and December, with an average relative humidity of 77%.Rainfall
In Princeville, in July, during 20.9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Princeville, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.Daylight
The average length of the day in July is 13h and 20min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:26 pm. On the last day of July, sunrise is at 6:09 am and sunset at 7:18 pm HST.
Sunshine
In Princeville, the average sunshine in July is 8.6h.UV index
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 6 suggests these recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Princeville, HI
- Average high temperature in July: 79°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The 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
Princeville, HI
- Average pressure in July: 30.02"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in July
Princeville, 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
Princeville, HI
- Average humidity in July: 77%
The 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
Princeville, 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
Princeville, 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 daylight in July /
Average sunshine in July
Princeville, HI
- Average daylight in July: 13h and 18min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in July: 8h and 36min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in July
Princeville, 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
Princeville, 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
Princeville, HI
- Average cloud cover in July: 44
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in July
Princeville, 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).
