August weather forecast
Glendale, AZ

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The scenic and watery landscape of Glendale town in Arizona
The scenic and watery landscape of Glendale town in Arizona

Weather in August

Despite entering the final segment of summer in August, heat reigns supreme in Glendale, resulting in continued elevated nighttime temperatures of 83.7°F. This tampered nocturnal relief persists for the majority of summer nights. Nevertheless, a light decline in the domination of the sun begins to take place. A slight decline in daylight hours is accompanied by the scaling back of the UV index to 8. Unexpectedly, this month overtakes its predecessor as the wettest month, with 1.18" of rainfall.

Temperature

With the arrival of August, Glendale's average high-temperature registers at a still very hot 100.9°F, indicating a subtle variation from the previous month. During the month of August, the temperature generally drops to a low average of 83.7°F.

Humidity

The average relative humidity in August is 30%.

Rainfall

August is the month with the most rainfall in Glendale. Rain falls for 10.1 days and accumulates 1.18" of precipitation.

Daylight

In Glendale, Arizona, the average length of the day in August is 13h and 22min.
On the first day of the month, sunrise is at 5:41 am and sunset at 7:28 pm. On the last day of August, in Glendale, sunrise is at 6:02 am and sunset at 6:55 pm MST.

Sunshine

The average sunshine in August in Glendale is 11.9h.

UV index

June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index value of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 8 in August translates into this advice:
Always stay safe. Unprotected skin and eyes can get damaged rapidly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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FAQ

How hot is it in Glendale in August?

August temperatures in Glendale, Arizona, vary between a high-temperature of 100.9°F and a low-temperature of 83.7°F.

What is the average humidity in August in Glendale?

In August, the average relative humidity in Glendale, Arizona, is 30%.

What is the wettest month in Glendale?

The month with the most rainfall in Glendale, Arizona, is August, when the rain falls for 10.1 days and typically aggregates up to 1.18" of precipitation.

How many days does it rain in August in Glendale?

In August, in Glendale, the rain falls for 10.1 days. Throughout August, 1.18" of precipitation is accumulated.

How many hours of daylight does Glendale have in August?

The average day length in August is 13h and 22min.

What time are sunrise and sunset in August in Glendale?

On the first day of August in Glendale, sunrise is at 5:41 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:55 pm MST.

How many hours of sunshine does Glendale have in August?

In August, the average sunshine duration in Glendale is 11.9h.

What is the month with the highest UV index in Glendale?

June through August, with an average maximum UV index of 8, are months with the highest UV index.

What is the UV index reading in August in Glendale?

In Glendale, Arizona, the average daily maximum UV index in August is 8. A UV Index reading of 8 to 10 represents a very high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Glendale, AZ

Average temperature in August - Glendale, AZ
  • Average high temperature in August: 100.9°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in August: 83.7°F

The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in August
Glendale, AZ

Average pressure in August - Glendale, AZ
  • Average pressure in August: 29.86"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

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Average wind speed in August
Glendale, AZ

Average wind speed in August - Glendale, AZ
  • Average wind speed in August: 5.4mph

The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

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Average humidity in August
Glendale, AZ

Average humidity in August - Glendale, AZ
  • Average humidity in August: 30%

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in August
Glendale, AZ

Average rainfall in August - Glendale, AZ
  • Average rainfall in August: 1.18"

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in August
Glendale, AZ

Average rainfall days in August - Glendale, AZ
  • Average rainfall days in August: 10.1 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.1 days).

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Average daylight in August /
Average sunshine in August
Glendale, AZ

Average daylight in August / Average sunshine in August - Glendale, AZ
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in August
Glendale, AZ

Average sunshine days in August - Glendale, AZ
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is August (15.9 days).

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Average UV index in August
Glendale, AZ

Average UV index in August - Glendale, AZ
  • Average UV index in August: 8

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in August
Glendale, AZ

Average cloud cover in August - Glendale, AZ
  • Average cloud cover in August: 12

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in August
Glendale, AZ

Average visibility in August - Glendale, AZ
  • Average visibility in August: 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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Glendale, Arizona, USA

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