June weather forecast
Kailua, HI

Weather in June

June, the first month of the summer in Kailua, is still a warm month, with an average temperature fluctuating between 78.4°F (25.8°C) and 75.4°F (24.1°C).

Temperature

In June, the average high-temperature is essentially the same as in May - a still warm 78.4°F (25.8°C). In Kailua, the average low-temperature is 75.4°F (24.1°C).

Humidity

The months with the highest humidity are April, June through August and December, with an average relative humidity of 76%.

Rainfall

In Kailua, during 11.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Kailua, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.

Ocean temperature

In June, the average ocean temperature is 78.6°F (25.9°C).
Note: 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.

Daylight

June has the longest days of the year, with an average of 13h and 25min of daylight.
On the first day of June in Kailua, 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.

Sunshine

The month with the most sunshine in Kailua is June, with an average of 11.2h of sunshine.

UV index

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kailua. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in June transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Kailua?

The average high-temperature, in June, in Kailua, Hawaii, is 78.4°F (25.8°C), while the average low-temperature is 75.4°F (24.1°C).

What is the most humid month in Kailua?

The months with the highest humidity are April, June through August and December, with an average relative humidity of 76%.

What is the average humidity in June in Kailua?

The average relative humidity in June in Kailua, Hawaii, is 76%.

How much does it rain in Kailua in June?

In Kailua, during June, the rain falls for 11.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

What is the ocean temperature in June in Kailua?

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

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

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

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

When is the sunrise / sunset in June in Kailua?

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

What month has the most sunshine in Kailua?

June has the most sunshine of the year in Kailua, Hawaii, with an average of 11.2h of sunshine.

How many hours of sunshine does Kailua have in June?

In Kailua, the average sunshine duration in June is 11.2h.

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

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

What is the UV index reading in June in Kailua?

The average daily maximum UV index in June in Kailua is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in June
Kailua, HI

Average temperature in June - Kailua, HI
  • Average high temperature in June: 78.4°F

The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).

  • Average low temperature in June: 75.4°F

The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).

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Average pressure in June
Kailua, HI

Average pressure in June - Kailua, 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
Kailua, HI

Average wind speed in June - Kailua, HI
  • Average wind speed in June: 13.8mph

The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).

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Average humidity in June
Kailua, HI

Average humidity in June - Kailua, HI
  • Average humidity in June: 76%

The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in June
Kailua, HI

Average rainfall in June - Kailua, HI
  • Average rainfall in June: 0.79"

The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").

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Average rainfall days in June
Kailua, HI

Average rainfall days in June - Kailua, HI
  • Average rainfall days in June: 11.3 days

The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).

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Average sea temperature in June
Kailua, HI

Average sea temperature in June - Kailua, 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
Kailua, HI

Average daylight in June / Average sunshine in June - Kailua, 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: 11h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in June
Kailua, HI

Average sunshine days in June - Kailua, HI
  • Average sunshine days in June: 13.6 days

The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).

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Average UV index in June
Kailua, HI

Average UV index in June - Kailua, 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
Kailua, HI

Average cloud cover in June - Kailua, HI
  • Average cloud cover in June: 29

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).

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Average visibility in June
Kailua, HI

Average visibility in June - Kailua, 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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