June weather forecast
Ewa Beach, HI

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Weather in June

June marks the formal arrival of summer in Ewa Beach, accentuated by the longest days of the year. The reduced rainfall goes hand in hand with the exciting feel of the season. Parallely, the town sports the highest sea temperature, further enhancing the beach festivities. Donned in vivid sunlight, the city thrives in the lively atmosphere. The persistent trade winds complement the ambiance by adding a touch of pleasant freshness.

Temperature

Ewa Beach experiences an average high-temperature of a still warm 79.7°F (26.5°C) in June, subtly different from May's 78.6°F (25.9°C). Ewa Beach, during the June nights, maintains an average temperature of 74.8°F (23.8°C), closely aligned with its daytime readings.

Humidity

The months with the lowest humidity are January, April through June, August through November, with an average relative humidity of 74%.

Rainfall

In June, the rain falls for 13.3 days. Throughout June, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 172.2 rainfall days, and 12.72" (323mm) of precipitation is accumulated.

Ocean temperature

In June, the average ocean temperature in Ewa Beach is 79.2°F (26.2°C).
Note: Swimming, diving, and other water activities in the temperature range of 77°F (25°C) to 84.2°F (29°C) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

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

Sunshine

The month with the most sunshine is June, with an average of 11h of sunshine.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 7 during June leads to these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Watch out! Reflections from sand and water can surge UV radiation exposure.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

In June, the average high-temperature and low-temperature are 79.7°F (26.5°C) and 74.8°F (23.8°C) respectively.

What are the least humid months?

January, April through June, August through November, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in June?

In June, the average relative humidity is 74%.

How much does it rain in June?

In June, the rain falls for 13.3 days. Throughout June, 0.83" (21mm) of precipitation is accumulated.

What is the ocean temperature in June?

In Ewa Beach, the average seawater temperature in June is 79.2°F (26.2°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?

The month with the longest days is June, with an average of 13h and 24min of daylight.

What is the average length of the day in June?

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

What time are sunrise and sunset in June?

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?

June has the most sunshine of the year, with an average of 11h of sunshine.

How many hours of sunshine does Ewa Beach have in June?

In June, the average sunshine duration in Ewa Beach is 11h.

When is the highest UV index?

The months with the highest UV index are June through September, with an average maximum UV index of 7.

How high is the UV index in June?

In June, the average daily maximum UV index in Ewa Beach, Hawaii, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in June
Ewa Beach, HI

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

The warmest months (with the highest average high temperature) are August and September (81.5°F).
The month with the lowest average high temperature is February (74.8°F).

  • Average low temperature in June: 74.8°F

The months with the highest average low temperature are August and September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.4°F).

Average pressure in June
Ewa Beach, HI

Average pressure in June - Ewa Beach, HI
  • Average pressure in June: 30.03"Hg

The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

Average wind speed in June
Ewa Beach, HI

Average wind speed in June - Ewa Beach, HI
  • Average wind speed in June: 11.7mph

The windiest month (with the highest average wind speed) is July (11.9mph).
The calmest months (with the lowest average wind speed) are January and October (9.1mph).

Average humidity in June
Ewa Beach, HI

Average humidity in June - Ewa Beach, HI
  • Average humidity in June: 74%

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January, April, May, June, August, September, October and November (74%).

Average rainfall in June
Ewa Beach, HI

Average rainfall in June - Ewa Beach, HI
  • Average rainfall in June: 0.83"

The wettest month (with the highest rainfall) is March (1.77").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in June
Ewa Beach, HI

Average rainfall days in June - Ewa Beach, HI
  • Average rainfall days in June: 13.3 days

The month with the highest number of rainy days is March (18.1 days).
The month with the least rainy days is July (11.3 days).

Average sea temperature in June
Ewa Beach, HI

Average sea temperature in June - Ewa Beach, 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).

Average daylight in June /
Average sunshine in June
Ewa Beach, HI

Average daylight in June / Average sunshine in June - Ewa Beach, 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 0min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in June
Ewa Beach, HI

Average sunshine days in June - Ewa Beach, HI
  • Average sunshine days in June: 13.9 days

The months with the most sunshine days are July and August (15.3 days).
The month with the least sunshine days is March (6.8 days).

Average UV index in June
Ewa Beach, HI

Average UV index in June - Ewa Beach, HI
  • Average UV index in June: 7

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

Average cloud cover in June
Ewa Beach, HI

Average cloud cover in June - Ewa Beach, HI
  • Average cloud cover in June: 32

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in June
Ewa Beach, HI

Average visibility in June - Ewa Beach, 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).

Ewa Beach, Hawaii, USA

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