June weather forecast and climate
Halawa, HI

Weather in June

The first month of the summer, June, is still a warm month in Halawa, Hawaii, with average temperature ranging between max 80.6°F (27°C) and min 66.2°F (19°C).

Temperature

In June, the average high-temperature remains the same as in May - a still moderately hot 80.6°F (27°C). In June, the average low-temperature is 66.2°F (19°C).

Rainfall

The month with the least rainfall is June when the rain falls for 7 days and typically collects 1.85" (47mm) of precipitation.

Ocean temperature

In Halawa, Hawaii, the average seawater temperature is 77°F (25°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

The month with the longest days in Halawa is June, with an average of 13.4h of daylight.

Sunshine

Months with the most sunshine are May through September, with an average of 9h of sunshine.

UV index

June through August, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the driest month in Halawa?

The month with the least rainfall in Halawa is June when the rain falls for 7 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Halawa in June?

In June, in Halawa, Hawaii, the rain falls for 7 days. Throughout June, 1.85" (47mm) of precipitation is accumulated.

What is the water temperature in June in Halawa?

In Halawa, Hawaii, in June, the average water temperature is 77°F (25°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 Halawa?

The month with the longest days is June, with an average of 13.4h of daylight.

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

In Halawa, Hawaii, the average length of the day in June is 13.4h.

What is the month with the most sunshine in Halawa?

Months with the most sunshine in Halawa are May through September, with an average of 9h of sunshine.

How long on average sun shines in June in Halawa?

In Halawa, the average sunshine in June is 9h.

When is the highest UV index in Halawa?

June through August, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in June in Halawa?

In June, the average daily maximum UV index is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.

Average temperature in June
Halawa, HI

Average temperature in June - Halawa, HI
  • Average high temperature in June: 81°F

The warmest months (with the highest average high temperature) are July, August, September and October (82°F).
Months with the lowest average high temperature are January, February and March (77°F).

  • Average low temperature in June: 66°F

The month with the highest average low temperature is August (68°F).
The coldest months (with the lowest average low temperature) are January, February and March (61°F).

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Average rainfall in June
Halawa, HI

Average rainfall in June - Halawa, HI
  • Average rainfall in June: 1.9"

The wettest month (with the highest rainfall) is January (7.4").
The driest month (with the least rainfall) is June (1.9").

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Average rainfall days in June
Halawa, HI

Average rainfall days in June - Halawa, HI
  • Average rainfall days in June: 7 days

Months with the highest number of rainy days are January, March, April and December (12 days).
Months with the least rainy days are June and September (7 days).

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Average sea temperature in June
Halawa, HI

Average sea temperature in June - Halawa, HI
  • Average sea temperature in June: 77°F

The best month for swimming (with the highest average sea temperature) is September (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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

Average daylight in June / Average sunshine in June - Halawa, HI
  • Average daylight in June: 13.4h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in June: 9h

Months with the most sunshine are May, June, July, August and September (Average sunshine: 9h).
Months with the least sunshine are January, February, November and December (Average sunshine: 7).

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Average UV index in June
Halawa, HI

Average UV index in June - Halawa, HI
  • Average UV index in June: 12

Months with the highest UV index are June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

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