July weather forecast
Ewa Beach, HI

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Weather in July

July in Ewa Beach is characterized by the zenith of the summer heat, with high temperatures reaching 80.6°F (27°C) on average. Concomitant with the elevated temperatures is the all-time low monthly rainfall, making it the driest month of the year. The combined effect induces an overall sunny, warm climate, ideal for outdoor barbecues and picnics. Also noteworthy is the comparatively increased wind speed that brings occasional cool breezes to the warm days. The excellent sea temperature further enriches the coastal experience, encouraging water-based activities.

Temperature

The commencement of July records an average high-temperature of a still warm 80.6°F (27°C), barely varying from June's 79.7°F (26.5°C). Registering an almost steady temperature, Ewa Beach's nights in July see an average low of 75.7°F (24.3°C).

Heat index

July's mean heat index is appraised at 84.2°F (29°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In July, the average relative humidity in Ewa Beach, Hawaii, is 75%.

Rainfall

July is the month with the least rainfall in Ewa Beach. Rain falls for 11.3 days and accumulates 0.43" (11mm) of precipitation.

Ocean temperature

In Ewa Beach, in July, the average water temperature is 79.3°F (26.3°C).
Note: For any water activity, the surface water temperatures in the range of 77°F (25°C) to 84.2°F (29°C) are deemed excellent and incredibly pleasant for longer durations.

Daylight

In July, the average length of the day is 13h and 17min.
On the first day of July in Ewa Beach, sunrise is at 5:53 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:11 pm HST.

Sunshine

The average sunshine in July is 10.1h.

UV index

June through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during July leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
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Frequently asked questions

What are July temperatures in Ewa Beach?

The high-temperature, in July, in Ewa Beach, records 80.6°F (27°C), while the low-temperature is 75.7°F (24.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 84.2°F (29°C).

What is the average humidity in July in Ewa Beach?

In Ewa Beach, the average relative humidity in July is 75%.

What is the driest month in Ewa Beach?

July is the month with the least rainfall in Ewa Beach, Hawaii. Rain falls for 11.3 days and accumulates 0.43" (11mm) of precipitation.

How many days does it rain in July in Ewa Beach?

In July, in Ewa Beach, Hawaii, the rain falls for 11.3 days. Throughout July, 0.43" (11mm) of precipitation is accumulated.

How warm is the water in July in Ewa Beach?

In Ewa Beach, in July, the average water temperature is 79.3°F (26.3°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.

What is the average length of the day in July in Ewa Beach?

In Ewa Beach, the average day length in July is 13h and 17min.

When are sunrise and sunset in July in Ewa Beach?

On the first day of July in Ewa Beach, sunrise is at 5:53 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:11 pm HST.

How long on average sun shines in July in Ewa Beach?

The average sunshine duration in July in Ewa Beach is 10.1h.

What is the month with the highest UV index in Ewa Beach?

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

What is the UV index intensity in July in Ewa Beach?

The average daily maximum UV index in July in Ewa Beach, Hawaii, is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in July
Ewa Beach, HI

Average temperature in July - Ewa Beach, HI
  • Average high temperature in July: 80.6°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 July: 75.7°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).

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Average pressure in July
Ewa Beach, HI

Average pressure in July - Ewa Beach, HI
  • Average pressure in July: 30"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).

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Average wind speed in July
Ewa Beach, HI

Average wind speed in July - Ewa Beach, HI
  • Average wind speed in July: 11.9mph

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).

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Average humidity in July
Ewa Beach, HI

Average humidity in July - Ewa Beach, HI
  • Average humidity in July: 75%

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%).

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Average rainfall in July
Ewa Beach, HI

Average rainfall in July - Ewa Beach, HI
  • Average rainfall in July: 0.43"

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

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Average rainfall days in July
Ewa Beach, HI

Average rainfall days in July - Ewa Beach, HI
  • Average rainfall days in July: 11.3 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).

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Average sea temperature in July
Ewa Beach, HI

Average sea temperature in July - Ewa Beach, HI
  • Average sea temperature in July: 79.2°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 July /
Average sunshine in July
Ewa Beach, HI

Average daylight in July / Average sunshine in July - Ewa Beach, HI
  • Average daylight in July: 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 July: 10h and 1min

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).

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Average sunshine days in July
Ewa Beach, HI

Average sunshine days in July - Ewa Beach, HI
  • Average sunshine days in July: 15.3 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).

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Average UV index in July
Ewa Beach, HI

Average UV index in July - Ewa Beach, HI
  • Average UV index in July: 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).

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Average cloud cover in July
Ewa Beach, HI

Average cloud cover in July - Ewa Beach, HI
  • Average cloud cover in July: 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).

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Average visibility in July
Ewa Beach, HI

Average visibility in July - Ewa Beach, HI
  • Average visibility in July: 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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Ewa Beach, Hawaii, USA

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