June weather forecastKeauhou, HI
June
Weather in June
The first month of the summer, June, is still a pleasant month in Keauhou, Hawaii, with an average temperature varying between 72.1°F (22.3°C) and 68.5°F (20.3°C).Temperature
Keauhou experiences an average high-temperature of a still agreeable 72.1°F (22.3°C) with the onset of June, subtly varied from May's 71.1°F (21.7°C). The June average low temperature, marginally lower than the daytime high, records at a still agreeable 68.5°F (20.3°C).Humidity
June through September, with an average relative humidity of 81%, are the most humid months.Rainfall
In Keauhou, in June, it is raining for 19.9 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Ocean temperature
In Keauhou, the average seawater temperature in June is 78.3°F (25.7°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.
Daylight
June has the longest days of the year, with an average of 13h and 18min of daylight.On the first day of the month, sunrise is at 5:44 am and sunset at 6:59 pm. On the last day of June, sunrise is at 5:48 am and sunset at 7:06 pm HST.
Sunshine
The average sunshine in June is 10.4h.UV index
May through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during June leads to these advisories:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Keauhou, HI
- Average high temperature in June: 72.1°F
The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).
- Average low temperature in June: 68.5°F
The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).
Average pressure in June
Keauhou, HI
- Average pressure in June: 30.01"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in June
Keauhou, HI
- Average wind speed in June: 6mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in June
Keauhou, HI
- Average humidity in June: 81%
The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).
Average rainfall in June
Keauhou, HI
- Average rainfall in June: 0.94"
The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in June
Keauhou, HI
- Average rainfall days in June: 19.9 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).
Average sea temperature in June
Keauhou, HI
- Average sea temperature in June: 78.1°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (76°F).
Average daylight in June /
Average sunshine in June
Keauhou, HI
- Average daylight in June: 13h and 18min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in June: 10h and 24min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).
Average sunshine days in June
Keauhou, HI
- Average sunshine days in June: 4.3 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).
Average UV index in June
Keauhou, HI
- Average UV index in June: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover in June
Keauhou, HI
- Average cloud cover in June: 31
The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in June
Keauhou, 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).





