July weather forecast
Ewa, HI

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Weather in July

July, the same as June, is a moderately hot summer month in Ewa, Hawaii, with an average temperature ranging between min 75.7°F (24.3°C) and max 80.6°F (27°C).

Temperature

The transition into July notes an average high-temperature of a still moderately hot 80.6°F (27°C), revealing a mild distinction from the 79.7°F (26.5°C) in June. In the month of July, Ewa experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of 75.7°F (24.3°C).

Heat index

The heat index value during July is evaluated at 84.2°F (29°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

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

Rainfall

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

Daylight

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

Sunshine

In Ewa, the average sunshine in July is 10.1h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 7 during July, leads to the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the usual temperature for Ewa in July?

During July, Ewa experiences an average high-temperature of 80.6°F (27°C) and a low-temperature of 75.7°F (24.3°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in July?

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

What is the driest month?

The month with the least rainfall is July, when the rain falls for 11.3 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in July?

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

What is the average length of the day in July?

The average day length in July is 13h and 17min.

When are sunrise and sunset in July?

On the first day of July, 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?

The average sunshine duration in July is 10.1h.

When is the highest UV index?

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

What is the UV index reading in July in Ewa?

In July, the average daily maximum UV index in Ewa is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Ewa, HI

Average temperature in July - Ewa, 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).

Average pressure in July
Ewa, HI

Average pressure in July - Ewa, 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).

Average wind speed in July
Ewa, HI

Average wind speed in July - Ewa, 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).

Average humidity in July
Ewa, HI

Average humidity in July - Ewa, 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%).

Average rainfall in July
Ewa, HI

Average rainfall in July - Ewa, 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").

Average rainfall days in July
Ewa, HI

Average rainfall days in July - Ewa, 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).

Average daylight in July /
Average sunshine in July
Ewa, HI

Average daylight in July / Average sunshine in July - Ewa, 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).

Average sunshine days in July
Ewa, HI

Average sunshine days in July - Ewa, 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).

Average UV index in July
Ewa, HI

Average UV index in July - Ewa, 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).

Average cloud cover in July
Ewa, HI

Average cloud cover in July - Ewa, 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).

Average visibility in July
Ewa, HI

Average visibility in July - Ewa, 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).

Ewa, Hawaii, USA

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