June weather forecastHonolulu, HI
June
Weather in June
June indicates an onset of summer months in Honolulu. The weather continues to warm up, with a decline in rainfall, reducing to 0.94" (24mm), suggesting the arrival of drier days. Cloud cover remains consistent with May, allowing greater sunlight exposure and making for beautiful sunrise and sunset scenes. The overall weather makes June a desirable time for enjoying outdoor activities and experiencing the rich culture Honolulu has to offer.Temperature
With the advent of June, Honolulu experiences an average high-temperature of a still moderately hot 79.5°F (26.4°C), mirroring a close resemblance to the previous month. The nights of June anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 74.3°F (23.5°C).Humidity
In Honolulu, the average relative humidity in June is 75%.Rainfall
In Honolulu, during June, the rain falls for 15.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Honolulu, during the entire year, the rain falls for 197.2 days and collects up to 14.61" (371mm) of precipitation.Ocean temperature
In Honolulu, the average seawater temperature in June is 78.6°F (25.9°C).Note: For swimming, diving, and enjoying other water activities, the range of 77°F (25°C) to 84.2°F (29°C) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.
Daylight
The month with the longest days is June, with an average of 13h and 24min of daylight.On the first day of June, sunrise is at 5:48 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:17 pm HST.
Sunshine
The month with the most sunshine is June, with an average of 10.8h of sunshine.UV index
The months with the lowest UV index are January through June, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in June translates into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Honolulu, HI
- Average high temperature in June: 79.5°F
The warmest month (with the highest average high temperature) is September (81.5°F).
The months with the lowest average high temperature are February and March (75°F).
- Average low temperature in June: 74.3°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in June
Honolulu, 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
Honolulu, HI
- Average wind speed in June: 11.8mph
The windiest month (with the highest average wind speed) is July (12.1mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in June
Honolulu, 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 April, May, September and November (74%).
Average rainfall in June
Honolulu, HI
- Average rainfall in June: 0.94"
The wettest months (with the highest rainfall) are March and October (1.81").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in June
Honolulu, HI
- Average rainfall days in June: 15.6 days
The months with the highest number of rainy days are March and October (18 days).
The month with the least rainy days is January (12.6 days).
Average sea temperature in June
Honolulu, HI
- Average sea temperature in June: 78.6°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in June /
Average sunshine in June
Honolulu, 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: 10h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in June
Honolulu, HI
- Average sunshine days in June: 9.8 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is October (6.3 days).
Average UV index in June
Honolulu, HI
- Average UV index in June: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in June
Honolulu, HI
- Average cloud cover in June: 35
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are January and September (Cloud cover 33).
Average visibility in June
Honolulu, 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).
