August weather forecast and climate
Casa Grande, AZ

Weather in August

August, the last month of the summer, in Casa Grande, is another very hot month, with average temperature varying between 82.9°F (28.3°C) and 101.1°F (38.4°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still very hot 101.1°F (38.4°C). The average low-temperature, in August, is 82.9°F (28.3°C).

Humidity

The average relative humidity in Casa Grande is 33%.

Rainfall

In Casa Grande, during 10.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Casa Grande, Arizona, during the entire year, the rain falls for 59.1 days and collects up to 7.36" (187mm) of precipitation.

Daylight

In August, the average length of the day is 13.3h.

Sunshine

In Casa Grande, Arizona, the average sunshine is 12h.

UV index

June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 8 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Casa Grande?

In August, in Casa Grande, Arizona, the average high-temperature is 101.1°F (38.4°C), and the average low-temperature is 82.9°F (28.3°C).

What is the average humidity in August in Casa Grande?

The average relative humidity in August in Casa Grande, Arizona, is 33%.

How many days does it rain in August in Casa Grande?

In Casa Grande, in August, it is raining for 10.2 days, with typically 0.91" (23mm) of accumulated precipitation.

How many hours of daylight does Casa Grande have in August?

In Casa Grande, Arizona, the average length of the day in August is 13.3h.

How many hours of sunshine does Casa Grande have in August?

In August, the average sunshine in Casa Grande, Arizona, is 12h.

When is the highest UV index in Casa Grande?

Months with the highest UV index in Casa Grande, Arizona, are June through August, with an average maximum UV index of 8.

What is the UV index intensity in August in Casa Grande?

In Casa Grande, the average daily maximum UV index in August is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in August
Casa Grande, AZ

Average temperature in August - Casa Grande, AZ
  • Average high temperature in August: 101.1°F

The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in August: 82.9°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

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Average pressure in August
Casa Grande, AZ

Average pressure in August - Casa Grande, AZ
  • Average pressure in August: 29.86"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.81").

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Average wind speed in August
Casa Grande, AZ

Average wind speed in August - Casa Grande, AZ
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.9mph).

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Average humidity in August
Casa Grande, AZ

Average humidity in August - Casa Grande, AZ
  • Average humidity in August: 33%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (16%).

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Average rainfall in August
Casa Grande, AZ

Average rainfall in August - Casa Grande, AZ
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in August
Casa Grande, AZ

Average rainfall days in August - Casa Grande, AZ
  • Average rainfall days in August: 10.2 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.8 days).

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Average daylight in August /
Average sunshine in August
Casa Grande, AZ

Average daylight in August / Average sunshine in August - Casa Grande, AZ
  • Average daylight in August: 13.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 12h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in August
Casa Grande, AZ

Average sunshine days in August - Casa Grande, AZ
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (15.4 days).

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Average UV index in August
Casa Grande, AZ

Average UV index in August - Casa Grande, AZ
  • Average UV index in August: 8

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
Casa Grande, AZ

Average cloud cover in August - Casa Grande, AZ
  • Average cloud cover in August: 13

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in August
Casa Grande, AZ

Average visibility in August - Casa Grande, AZ
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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