August weather forecast
Casa Grande, AZ

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Weather in August

August carries on the strong summer tradition in Casa Grande, with weather conditions staying consistent. The scorching sun shines down on the city for 13.3 daylight hours, contributing to the continuation of high temperatures from the preceding months. Despite being a desert city, August observes a relief in form of an increase in rainfall to 0.91in compared to the preceding month's 1.02in. Another notable change is the downward curve in the mercury level, with the maximum temperature stooping to 101.1°F (38.4°C). As the city transitions into September, local residents eye the coming months with bated breath, hoping for a retreat from the relentless summer.

Temperature

The initiation of August sees an average high-temperature of a still fiery hot 101.1°F (38.4°C), showing minor variations from the previous month. In the month of August, Casa Grande witnesses a consistent average low-temperature of 82.9°F (28.3°C).

Humidity

In Casa Grande, the average relative humidity in August is 33%.

Rainfall

In Casa Grande, in August, it is raining for 10.2 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, in Casa Grande, Arizona, there are 59.1 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 20min.
On the first day of the month, sunrise is at 5:41 am and sunset at 7:25 pm. On the last day of August, in Casa Grande, sunrise is at 6:01 am and sunset at 6:52 pm MST.

Sunshine

In August, the average sunshine in Casa Grande 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 hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 8 transforms into the following instructions:
Emphasize protection. Neglecting it can lead to swift damage to the skin and eyes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

How hot does it get in Casa Grande in August?

In Casa Grande, in August, 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?

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

How much does it rain in Casa Grande in August?

In Casa Grande, Arizona, in August, during 10.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

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

In Casa Grande, the average day length in August is 13h and 20min.

When is the sunrise / sunset in August in Casa Grande?

On the first day of August in Casa Grande, sunrise is at 5:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:52 pm MST.

How long on average sun shines in August in Casa Grande?

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

When is the highest UV index in Casa Grande?

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

How high is the UV index in August in Casa Grande?

The average daily maximum UV index in August in Casa Grande, Arizona, is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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: 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: 12h and 0min

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 54min).

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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

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
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

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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Casa Grande, Arizona, USA

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