June weather forecast
Kahului, HI

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Weather in June

June can be regarded as the onset of the true tropical summer in Kahului, with temperatures sailing from 74.7°F (23.7°C) to 77.9°F (25.5°C). Abundant sunshine, lenient winds, and controlled humidity accentuate the allure of the beachside city. Despite being the summer, the heat is not overwhelming. Rainfall continues being scarce, further adding to the weather's allure. It is indeed an ideal month to experience the outdoor vibrancy of Kahului.

Temperature

Kahului indicates an average high-temperature of a still moderately hot 77.9°F (25.5°C) in June, showing minor variation from May's 77°F (25°C). In Kahului, the month of June records an average minimum temperature of 74.7°F (23.7°C), a slight dip from the daily highs.

Humidity

In Kahului, the average relative humidity in June is 75%.

Rainfall

The month with the least rainfall in Kahului is June, when the rain falls for 6.6 days and typically collects 0.2" (5mm) of precipitation.

Ocean temperature

In Kahului, Hawaii, in June, the average water temperature is 78.3°F (25.7°C).
Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.

Daylight

June has the longest days of the year, with an average of 13h and 24min of daylight.
On the first day of June, sunrise is at 5:44 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:11 pm HST.

Sunshine

June has the most sunshine of the year, with an average of 11.5h of sunshine.

UV index

The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during June translates into the following guidance:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The mirror effect of sand and water ups the UV radiation strength.
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Frequently asked questions

What is the usual temperature for Kahului in June?

Kahului in June has an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 74.7°F (23.7°C).

What is the average humidity in June in Kahului?

In June, the average relative humidity is 75%.

What is the driest month in Kahului?

The month with the least rainfall in Kahului is June, when the rain falls for 6.6 days and typically collects 0.2" (5mm) of precipitation.

How many days does it rain in June in Kahului?

In Kahului, in June, during 6.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

What is the water temperature in June in Kahului?

In Kahului, the average seawater temperature in June is 78.3°F (25.7°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Kahului?

June has the longest days of the year in Kahului, with an average of 13h and 24min of daylight.

What is the average length of the day in June in Kahului?

In June, the average day length in Kahului, Hawaii, is 13h and 23min.

When is the sunrise / sunset in June in Kahului?

On the first day of June in Kahului, sunrise is at 5:44 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:11 pm HST.

What month has the most sunshine in Kahului?

The month with the most sunshine in Kahului is June, with an average of 11.5h of sunshine.

How long on average sun shines in June in Kahului?

In Kahului, the average sunshine duration in June is 11.5h.

What is the month with the lowest UV index in Kahului?

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kahului, Hawaii.

What is the UV index reading in June in Kahului?

The average daily maximum UV index in June in Kahului is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Kahului, HI

Average temperature in June - Kahului, HI
  • Average high temperature in June: 77.9°F

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in June: 74.7°F

The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).

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Average pressure in June
Kahului, HI

Average pressure in June - Kahului, HI
  • Average pressure in June: 30.03"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).

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Average wind speed in June
Kahului, HI

Average wind speed in June - Kahului, HI
  • Average wind speed in June: 13.6mph

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

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Average humidity in June
Kahului, HI

Average humidity in June - Kahului, HI
  • Average humidity in June: 75%

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in June
Kahului, HI

Average rainfall in June - Kahului, HI
  • Average rainfall in June: 0.2"

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in June
Kahului, HI

Average rainfall days in June - Kahului, HI
  • Average rainfall days in June: 6.6 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

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Average sea temperature in June
Kahului, HI

Average sea temperature in June - Kahului, HI
  • Average sea temperature in June: 78.2°F

The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).

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Average daylight in June /
Average sunshine in June
Kahului, HI

Average daylight in June / Average sunshine in June - Kahului, HI
  • Average daylight in June: 13h and 2min

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 3min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in June
Kahului, HI

Average sunshine days in June - Kahului, HI
  • Average sunshine days in June: 19.9 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in June
Kahului, HI

Average UV index in June - Kahului, HI
  • Average UV index in June: 6

The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

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Average cloud cover in June
Kahului, HI

Average cloud cover in June - Kahului, HI
  • Average cloud cover in June: 21

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).

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Average visibility in June
Kahului, HI

Average visibility in June - Kahului, 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).

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Kahului, Hawaii, USA

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