August weather forecast
Parker, AZ

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The calm Colorado River, riverside city of Parker in Arizona, and the dramatic mountainous landscape
The calm Colorado River, riverside city of Parker in Arizona, and the dramatic mountainous landscape

Weather in August

August presents a modest cooling trend in Parker, Arizona, despite being situated within the summer season. The temperatures gradually descend, peaking around 103.6°F (39.8°C). The amount of sunshine received decreases slightly, with cloud cover showing marginal increase. Winds get a little slower, while the chances for rain slightly drop. Overall, the weather remains significantly hot but with a slightly lower intensity than July.

Temperature

The average high-temperature in August, at a fiery hot 103.6°F (39.8°C), reveals a modest deviation from July's 104.2°F (40.1°C). During the month of August, Parker's nighttime temperature lowers to an average of 85.6°F (29.8°C).

Humidity

In August, the average relative humidity in Parker is 25%.

Rainfall

In Parker, in August, it is raining for 6 days, with typically 0.55" (14mm) of accumulated precipitation. In Parker, during the entire year, the rain falls for 39.4 days and collects up to 3.9" (99mm) of precipitation.

Daylight

In August, the average length of the day is 13h and 23min.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:37 pm. On the last day of August, sunrise is at 6:10 am and sunset at 7:03 pm MST.

Sunshine

The average sunshine in August is 11.2h.

UV index

The average daily maximum UV index in August is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 8 during August leads to these instructions:
Being careless can result in skin and eye damage. Always take the necessary safety measures. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

How hot is it in Parker in August?

August temperatures in Parker vary between a high-temperature of 103.6°F (39.8°C) and a low-temperature of 85.6°F (29.8°C).

What is the average humidity in August in Parker?

In Parker, the average relative humidity in August is 25%.

How many days does it rain in August in Parker?

In Parker, Arizona, in August, it is raining for 6 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the average length of the day in August in Parker?

In August, the average day length in Parker is 13h and 23min.

When are sunrise and sunset in August in Parker?

In August, on the first day of the month, sunrise is at 5:48 am and sunset at 7:37 pm. On the last day of the month, in Parker, Arizona, sunrise is at 6:10 am and sunset at 7:03 pm MST.

How long on average sun shines in August in Parker?

The average sunshine duration in August is 11.2h.

What is the UV index intensity in August in Parker?

In August, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high hazard to health 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 August
Parker, AZ

Average temperature in August - Parker, AZ
  • Average high temperature in August: 103.6°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in August: 85.6°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).

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Average pressure in August
Parker, AZ

Average pressure in August - Parker, AZ
  • Average pressure in August: 29.79"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in August
Parker, AZ

Average wind speed in August - Parker, AZ
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

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Average humidity in August
Parker, AZ

Average humidity in August - Parker, AZ
  • Average humidity in August: 25%

The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in August
Parker, AZ

Average rainfall in August - Parker, AZ
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in August
Parker, AZ

Average rainfall days in August - Parker, AZ
  • Average rainfall days in August: 6 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in August
Parker, AZ

Average sunshine days in August - Parker, AZ
  • Average sunshine days in August: 20.8 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).

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Average UV index in August
Parker, AZ

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

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in August
Parker, AZ

Average cloud cover in August - Parker, AZ
  • Average cloud cover in August: 8

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in August
Parker, AZ

Average visibility in August - Parker, 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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Parker, Arizona, USA

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