June weather forecast
Waipahu, HI

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Weather in June

June in Waipahu, Hawaii brings with it an increase in temperatures, peaking at an average high of 79.7°F (26.5°C). This month also marks the year's peak in terms of daylight hours, offering a generous 13.4 hours of light to the city's residents and visitors. The shift to summer is now noticeable with a decrease in the frequency of rainfall and a dip in relative humidity. June is considered the sunniest month, ideal for those looking to soak up some rays at the beach. Interestingly, wind speeds tend to increase during June, with the top speed reaching up to 14.7mph (23.7km/h), offering some respite from the warm days.

Temperature

With the advent of June, Waipahu experiences an average high-temperature of a still warm 79.7°F (26.5°C), mirroring a close resemblance to the previous month. Consistently, Waipahu reports average nighttime temperatures of 73.4°F (23°C) during June, a marginal step down from its daytime highs.

Humidity

The months with the lowest humidity are April through June and September, with an average relative humidity of 74%.

Rainfall

In Waipahu, Hawaii, in June, it is raining for 16.3 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Waipahu, there are 208.4 rainfall days, and 16.5" (419mm) of precipitation is accumulated.

Ocean temperature

In Waipahu, the average seawater temperature in June is 79.2°F (26.2°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

June has the longest days of the year in Waipahu, Hawaii, with an average of 13h and 24min of daylight.
On the first day of June, sunrise is at 5:49 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:18 pm HST.

Sunshine

June has the most sunshine of the year, with an average of 9.9h of sunshine.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Waipahu. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! UV intensity is much stronger when reflected off sand and water.
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Frequently asked questions

What is the average June temperature in Waipahu?

The average high-temperature, in June, in Waipahu, is 79.7°F (26.5°C), while the average low-temperature is 73.4°F (23°C).

What are the least humid months in Waipahu?

The months with the lowest humidity in Waipahu are April through June and September, with an average relative humidity of 74%.

What is the average humidity in June in Waipahu?

The average relative humidity in June in Waipahu, Hawaii, is 74%.

How much does it rain in Waipahu in June?

In Waipahu, during June, the rain falls for 16.3 days and regularly aggregates up to 1.06" (27mm) of precipitation.

What is the water temperature in June in Waipahu?

In June, the average ocean temperature in Waipahu, Hawaii, is 79.2°F (26.2°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Waipahu?

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

How many hours of daylight does Waipahu have in June?

In Waipahu, the average day length in June is 13h and 25min.

What time are sunrise and sunset in June in Waipahu?

On the first day of June, sunrise is at 5:49 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:18 pm HST.

What month has the most sunshine in Waipahu?

With an average of 9.9h of sunshine, June has the most sunshine of the year in Waipahu.

How long on average sun shines in June in Waipahu?

In Waipahu, Hawaii, the average sunshine duration in June is 9.9h.

When is the lowest UV index in Waipahu?

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Waipahu, Hawaii.

How high is the UV index in June in Waipahu?

In Waipahu, Hawaii, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in June
Waipahu, HI

Average temperature in June - Waipahu, HI
  • Average high temperature in June: 79.7°F

The warmest months (with the highest average high temperature) are August and September (82°F).
The months with the lowest average high temperature are February and March (75.4°F).

  • Average low temperature in June: 73.4°F

The month with the highest average low temperature is September (75°F).
The coldest month (with the lowest average low temperature) is February (68°F).

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Average pressure in June
Waipahu, HI

Average pressure in June - Waipahu, 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
Waipahu, HI

Average wind speed in June - Waipahu, HI
  • Average wind speed in June: 11.1mph

The windiest month (with the highest average wind speed) is July (11.3mph).
The calmest month (with the lowest average wind speed) is January (8.4mph).

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Average humidity in June
Waipahu, HI

Average humidity in June - Waipahu, HI
  • Average humidity in June: 74%

The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April, May, June and September (74%).

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Average rainfall in June
Waipahu, HI

Average rainfall in June - Waipahu, HI
  • Average rainfall in June: 1.06"

The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in June
Waipahu, HI

Average rainfall days in June - Waipahu, HI
  • Average rainfall days in June: 16.3 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is January (13.5 days).

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Average sea temperature in June
Waipahu, HI

Average sea temperature in June - Waipahu, HI
  • Average sea temperature in June: 79.1°F

The best month for swimming (with the highest average sea temperature) is September (80.6°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
Waipahu, HI

Average daylight in June / Average sunshine in June - Waipahu, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).

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Average sunshine days in June
Waipahu, HI

Average sunshine days in June - Waipahu, HI
  • Average sunshine days in June: 9.9 days

The month with the most sunshine days is January (12.3 days).
The month with the least sunshine days is November (6.2 days).

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Average UV index in June
Waipahu, HI

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

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

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Average cloud cover in June
Waipahu, HI

Average cloud cover in June - Waipahu, HI
  • Average cloud cover in June: 41

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 36).

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Average visibility in June
Waipahu, HI

Average visibility in June - Waipahu, 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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Waipahu, Hawaii, USA

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