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

The weather in Kahului during June records an average high-temperature of a still warm 77.9°F (25.5°C), closely mirroring the preceding month. Nights during June maintain a steady temperature, averaging at a still warm 74.7°F (23.7°C).

Humidity

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

Rainfall

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

Ocean temperature

In Kahului, the average seawater temperature in June is 78.3°F (25.7°C).
Note: For any water activity, having surface water temperatures from 77°F (25°C) to 84.2°F (29°C) is considered outstanding and highly delightful for lengthened periods.

Daylight

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

Sunshine

The month with the most sunshine is June, 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 vulnerability 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:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.

Frequently asked questions

What is the temperature in June?

The average high-temperature, in June, in Kahului, is 77.9°F (25.5°C), while the average low-temperature is 74.7°F (23.7°C).

What is the average humidity in June?

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

What is the driest month?

June is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.2" (5mm) of precipitation.

How much does it rain in Kahului in June?

In Kahului, during June, the rain falls for 6.6 days and regularly aggregates up to 0.2" (5mm) of precipitation.

How warm is the water in June?

In Kahului, Hawaii, the average seawater temperature in June is 78.3°F (25.7°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days?

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

How many hours of daylight does Kahului have in June?

The average day length in June is 13h and 23min.

When are sunrise and sunset in June?

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.

What month has the most sunshine?

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

How long on average sun shines in June?

In June, the average sunshine duration is 11.5h.

When is the lowest UV index?

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

What is the UV index reading in June?

In Kahului, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

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).

Kahului, Hawaii, USA

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