June weather forecast
Honolulu, HI

Waikiki beach with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance
Waikiki beach with clear calm waters on the foot of Honolulu city, Hawaii, with the vast cityscape and mountains in the distance

Weather in June

The first month of the summer, June, is also a moderately hot month in Honolulu, Hawaii, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 74.3°F (23.5°C).

Temperature

In Honolulu, the average high-temperature in June is almost the same as in May - a still moderately hot 79.5°F (26.4°C). In June, in Honolulu, the average low-temperature is 74.3°F (23.5°C).

Humidity

The average relative humidity in June is 75%.

Rainfall

In Honolulu, it is raining for 15.6 days, with typically 0.94" (24mm) of accumulated precipitation. In Honolulu, Hawaii, 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 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.

Daylight

With an average of 13h and 25min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:09 pm. On the last day of June, in Honolulu, Hawaii, sunrise is at 5:52 am and sunset at 7:17 pm HST.

Sunshine

The month with the most sunshine in Honolulu is June, with an average of 10.8h of sunshine.

UV index

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Honolulu. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in June in Honolulu?

In Honolulu, in June, the average high-temperature is 79.5°F (26.4°C), and the average low-temperature is 74.3°F (23.5°C).

What is the average humidity in June in Honolulu?

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

How many days does it rain in June in Honolulu?

In Honolulu, Hawaii, in June, during 15.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How warm is the water in June in Honolulu?

In June, the average ocean temperature in Honolulu is 78.6°F (25.9°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 Honolulu?

With an average of 13h and 25min of daylight, June has the longest days of the year in Honolulu.

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

The average day length in June in Honolulu, Hawaii, is 13h and 25min.

When are sunrise and sunset in June in Honolulu?

On the first day of June, sunrise is at 5:48 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:17 pm HST.

What month has the most sunshine in Honolulu?

June has the most sunshine of the year in Honolulu, Hawaii, with an average of 10.8h of sunshine.

How many hours of sunshine does Honolulu have in June?

In Honolulu, the average sunshine duration in June is 10.8h.

When is the lowest UV index in Honolulu?

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Honolulu.

How high is the UV index in June in Honolulu?

In Honolulu, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in June
Honolulu, HI

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).

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Average pressure in June
Honolulu, HI

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).

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Average wind speed in June
Honolulu, HI

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).

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Average humidity in June
Honolulu, HI

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%).

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Average rainfall in June
Honolulu, HI

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").

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Average rainfall days in June
Honolulu, HI

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).

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Average sea temperature in June
Honolulu, HI

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).

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

Average daylight in June / Average sunshine in June - Honolulu, HI
  • Average daylight in June: 13h and 25min

The month with the longest days is June (Average daylight: 13h and 25min).
The month with the shortest days is December (Average daylight: 10h and 52min).

  • 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).

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Average sunshine days in June
Honolulu, HI

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).

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Average UV index in June
Honolulu, HI

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).

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Average cloud cover in June
Honolulu, HI

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).

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Average visibility in June
Honolulu, HI

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).

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