June weather forecastHanalei, HI

June
Weather in June
Hanalei's weather in June serves as an archetypical representation of tropical summer, following the warming trend that starts in May. On average, Hanalei enjoys longest daylight hours compared to other months. Pressure drops slightly from 30.05" (763mm) in May to 30.04" (763mm) in June, hinting at the approaching rainy season. This does not dampen the overall sunny conditions, with the slightly higher temperatures persisting, setting the stage for July's hot weather.Temperature
June observes an average high-temperature of a still moderately hot 78.3°F (25.7°C), marking an insignificant difference from May's 76.8°F (24.9°C). Hanalei notes a steady average temperature of 73.9°F (23.3°C) during the nights of June.Humidity
June through August, October and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Hanalei, in June, it is raining for 18.8 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Ocean temperature
In Hanalei, in June, the average water temperature is 77°F (25°C).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 77°F (25°C) to 84.2°F (29°C), without any unpleasant sensations for prolonged durations.
Daylight
With an average of 13h and 30min of daylight, June has the longest days of the year.On the first day of June in Hanalei, sunrise is at 5:53 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:26 pm HST.
Sunshine
June has the most sunshine of the year, with an average of 9.7h of sunshine.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 6 in June translates into this advice:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Hanalei, HI
- Average high temperature in June: 78.3°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 June: 73.9°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 June
Hanalei, HI
- Average pressure in June: 30.04"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 June
Hanalei, HI
- Average wind speed in June: 12.1mph
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 June
Hanalei, HI
- Average humidity in June: 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 June
Hanalei, HI
- Average rainfall in June: 1.85"
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 June
Hanalei, HI
- Average rainfall days in June: 18.8 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 June
Hanalei, HI
- Average sea temperature in June: 77°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in June /
Average sunshine in June
Hanalei, HI
- Average daylight in June: 13h and 30min
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 June: 9h and 42min
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 June
Hanalei, HI
- Average sunshine days in June: 5 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 June
Hanalei, HI
- Average UV index in June: 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 June
Hanalei, HI
- Average cloud cover in June: 45
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 June
Hanalei, HI
- Average visibility in June: 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).





