June weather forecastKeaau, HI
June
Weather in June
June, the first month of the summer in Keaau, is a moderately hot month, with an average temperature ranging between max 73.6°F (23.1°C) and min 66.9°F (19.4°C).Temperature
The arrival of June sees an average high-temperature of a moderately hot 73.6°F (23.1°C), hardly diverging from May's 72.1°F (22.3°C). The June nights show a slight decrease to a mean low-temperature of 66.9°F (19.4°C).Humidity
The months with the lowest humidity in Keaau are January, May through July, with an average relative humidity of 78%.Rainfall
The month with the least rainfall in Keaau is June, when the rain falls for 17.3 days and typically collects 1.1" (28mm) of precipitation.Daylight
With an average of 13h and 18min of daylight, June has the longest days of the year in Keaau, Hawaii.On the first day of June, sunrise is at 5:40 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:02 pm HST.
Sunshine
The month with the most sunshine is June, with an average of 10.9h of sunshine.UV index
The months with the highest UV index are May through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 6 in June transforms into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Keaau, HI
- Average high temperature in June: 73.6°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in June: 66.9°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in June
Keaau, HI
- Average pressure in June: 30.02"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in June
Keaau, HI
- Average wind speed in June: 7.1mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in June
Keaau, HI
- Average humidity in June: 78%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in June
Keaau, HI
- Average rainfall in June: 1.1"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in June
Keaau, HI
- Average rainfall days in June: 17.3 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average daylight in June /
Average sunshine in June
Keaau, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in June
Keaau, HI
- Average sunshine days in June: 3.3 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in June
Keaau, HI
- Average UV index in June: 6
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in June
Keaau, HI
- Average cloud cover in June: 31
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in June
Keaau, 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).





