June weather forecastHaiku, HI
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Haiku, Hawaii, with an average temperature varying between 76.8°F (24.9°C) and 74.1°F (23.4°C).Temperature
As June takes hold, the average high-temperature is a still moderately hot 76.8°F (24.9°C), nearly mirroring that of the previous month. Haiku notes an average temperature descent to a still moderately hot 74.1°F (23.4°C) in June, a small shift from its daytime peak.Humidity
The average relative humidity in June is 77%.Rainfall
In Haiku, in June, it is raining for 8.8 days, with typically 0.51" (13mm) of accumulated precipitation. In Haiku, during the entire year, the rain falls for 136.7 days and collects up to 13.94" (354mm) of precipitation.Snowfall
January through August, October through December are months without snowfall in Haiku.Daylight
The month with the longest days is June, with an average of 13h and 24min of daylight.On the first day of the month, sunrise is at 5:43 am and sunset at 7:03 pm. On the last day of June, sunrise is at 5:47 am and sunset at 7:10 pm HST.
Sunshine
The months with the most sunshine are June and July, with an average of 11.3h of sunshine.UV index
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 6 in June leads to these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Haiku, HI
- Average high temperature in June: 76.8°F
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
- Average low temperature in June: 74.1°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure in June
Haiku, HI
- Average pressure in June: 30.03"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in June
Haiku, HI
- Average wind speed in June: 14.4mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity in June
Haiku, HI
- Average humidity in June: 77%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall in June
Haiku, HI
- Average rainfall in June: 0.51"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in June
Haiku, HI
- Average rainfall days in June: 8.8 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days in June
Haiku, HI
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in June /
Average sunshine in June
Haiku, 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 54min).
- Average sunshine in June: 11h and 18min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in June
Haiku, HI
- Average sunshine days in June: 14.9 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in June
Haiku, 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
Haiku, HI
- Average cloud cover in June: 25
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in June
Haiku, 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).
