June weather forecastHilo, HI
June
Weather in June
June's arrival in Hilo signals the start of summer, with pleasant weather that encourages vibrant outdoor life and activities. June’s striking feature is the lengthened daylight hours that bring out the city's beauty in heightened splendor. The heartening quantity of sunshine adds a special golden touch to the city's panoramic landscapes, providing an exhilarating ambiance for locals and visitors. The temperate sea invites both swimmers and surfers alike to engage in their preferred water pursuits. June's weather truly enhances the vivacity of Hilo.Temperature
The average high-temperature in June, at a moderately hot 73.6°F (23.1°C), reveals a modest deviation from May's 72.1°F (22.3°C). Hilo sees a gentle drop from the daily peak temperature in June, with an average low settling at a refreshing 66.9°F (19.4°C).Humidity
The months with the lowest humidity in Hilo are January, May through July, with an average relative humidity of 78%.Rainfall
June is the month with the least rainfall in Hilo. Rain falls for 17.3 days and accumulates 1.1" (28mm) of precipitation.Ocean temperature
In Hilo, in June, the average water temperature is 77.7°F (25.4°C).Note: Water activities in surface temperatures between 77°F (25°C) and 84.2°F (29°C) are seen as exceptional and extremely agreeable for lengthened time spans.
Daylight
With an average of 13h and 18min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:40 am and sunset at 6:55 pm. On the last day of June, sunrise is at 5:45 am and sunset at 7:03 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 in Hilo are May through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Hilo, 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
Hilo, 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
Hilo, 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
Hilo, 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
Hilo, 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
Hilo, 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 sea temperature in June
Hilo, HI
- Average sea temperature in June: 77.7°F
The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in June /
Average sunshine in June
Hilo, 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
Hilo, 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
Hilo, 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
Hilo, 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
Hilo, 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).
