June weather forecastWaialua, HI
June
Weather in June
June, the first month of the summer in Waialua, is still a warm month, with an average temperature ranging between min 74.1°F (23.4°C) and max 79.9°F (26.6°C).Temperature
Waialua's average high-temperature in June is a still warm 79.9°F (26.6°C), indicating a subtle variation from May. A modest nighttime temperature average of 74.1°F (23.4°C) characterizes June.Humidity
The average relative humidity in June is 75%.Rainfall
In Waialua, during June, the rain falls for 15.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 190.2 rainfall days, and 11.65" (296mm) of precipitation is accumulated.Ocean temperature
In Waialua, in June, the average water temperature is 78.4°F (25.8°C).Note: Between 77°F (25°C) and 84.2°F (29°C), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
With an average of 13h and 24min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:49 am and sunset at 7:11 pm. On the last day of June, sunrise is at 5:53 am and sunset at 7:19 pm HST.
Sunshine
The month with the most sunshine is June, with an average of 9.9h of sunshine.UV index
The months with the lowest UV index are January through June, August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In June, a regular UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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
Waialua, 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).





