June weather forecastHaleiwa, HI
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Haleiwa, Hawaii, with an average temperature varying between 79.9°F (26.6°C) and 74.1°F (23.4°C).Temperature
The advent of June denotes an average high-temperature of a still moderately hot 79.9°F (26.6°C), subtly different from May's 78.6°F (25.9°C). Haleiwa's June nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still moderately hot 74.1°F (23.4°C).Humidity
The average relative humidity in June in Haleiwa is 75%.Rainfall
In Haleiwa, in June, it is raining for 15.9 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 190.2 rainfall days, and 11.65" (296mm) of precipitation is accumulated.Ocean temperature
In Haleiwa, in June, the average water temperature is 78.4°F (25.8°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.
Daylight
The month with the longest days is June, with an average of 13h and 24min of daylight.On the first day of June in Haleiwa, sunrise is at 5:49 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:19 pm HST.
Sunshine
The month with the most sunshine in Haleiwa is June, with an average of 9.9h of sunshine.UV index
The months with the lowest UV index in Haleiwa are January through June, August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In June, the UV index of 6 transforms into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! The reflection of water and sand augments UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Haleiwa, HI
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is September (81.7°F).
The month with the lowest average high temperature is February (75°F).
- Average low temperature in June: 74.1°F
The months with the highest average low temperature are August and September (75.7°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in June
Haleiwa, HI
- Average pressure in June: 30.03"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).
Average wind speed in June
Haleiwa, HI
- Average wind speed in June: 11.5mph
The windiest month (with the highest average wind speed) is July (11.6mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in June
Haleiwa, HI
- Average humidity in June: 75%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are May and September (74%).
Average rainfall in June
Haleiwa, HI
- Average rainfall in June: 0.79"
The wettest months (with the highest rainfall) are February and October (1.34").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in June
Haleiwa, HI
- Average rainfall days in June: 15.9 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is January (12.5 days).
Average sea temperature in June
Haleiwa, HI
- Average sea temperature in June: 78.4°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 (75.2°F).
Average daylight in June /
Average sunshine in June
Haleiwa, HI
- Average daylight in June: 13h and 24min
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 48min).
- Average sunshine in June: 9h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in June
Haleiwa, HI
- Average sunshine days in June: 8.5 days
The month with the most sunshine days is January (12.9 days).
The month with the least sunshine days is September (6.5 days).
Average UV index in June
Haleiwa, HI
- Average UV index in June: 6
The months with the highest UV index are July and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, October, November and December (UV index 6).
Average cloud cover in June
Haleiwa, HI
- Average cloud cover in June: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are January and September (Cloud cover 37).
Average visibility in June
Haleiwa, 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).





