June weather forecastKoloa, HI
June
Weather in June
June, the first month of the summer in Koloa, is also a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 73.9°F (23.3°C).Temperature
Koloa observes an average high-temperature of a still warm 78.3°F (25.7°C) in June, barely different from 76.8°F (24.9°C) in May. In Koloa, nights during June observe an average temperature decrease to a still moderately hot 73.9°F (23.3°C).Humidity
June through August, October and December, with an average relative humidity of 77%, are the most humid months in Koloa.Rainfall
In Koloa, in June, during 18.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Koloa, Hawaii, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.Daylight
The month with the longest days is June, with an average of 13h and 30min of daylight.On the first day of the month, sunrise is at 5:54 am and sunset at 7:17 pm. On the last day of June, sunrise is at 5:58 am and sunset at 7:25 pm HST.
Sunshine
With an average of 9.7h of sunshine, June has the most sunshine of the year.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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In June, the maximum UV index of 6 suggests this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Koloa, 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
Koloa, 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
Koloa, 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
Koloa, 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
Koloa, 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
Koloa, 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 daylight in June /
Average sunshine in June
Koloa, 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
Koloa, 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
Koloa, 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
Koloa, 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
Koloa, 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).
