August weather forecast
Peoria, AZ

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Weather in August

August brings continuity to Peoria's sweltering summer days coupled with impressive levels of sunshine. The city's weather pattern encompasses high-temperature days punctuated by short spats of rain. Unlike the previous month, August encounters rainfall on ten days spread throughout the month, amounting to 1.18" (30mm) on average. Despite the increasing humidity, which facilitates the sustenance of local flora and fauna, the pressure remains steady, maintaining the climate's stability. With an ample amount of daylight hours, August lends itself to breathtaking sundowns and heartwarming sunrises.

Temperature

During August, Peoria observes a subtle ascent to a still torrid 100.9°F (38.3°C) from July's 101.8°F (38.8°C) in the average high-temperature. In Peoria, the nighttime temperature averages to a moderately hot 83.7°F (28.7°C) during August.

Humidity

The average relative humidity in August in Peoria is 30%.

Rainfall

The month with the most rainfall is August, when the rain falls for 10.1 days and typically aggregates up to 1.18" (30mm) of precipitation.

Daylight

In Peoria, 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 Peoria, Arizona, sunrise is at 6:02 am and sunset at 6:55 pm MST.

Sunshine

The average sunshine in August 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 of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 8 during August translates into the following guidance:
Without constant care, eyes and skin might suffer damage in a short time. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 9, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

How hot does it get in Peoria in August?

Peoria in August has an average high-temperature of 100.9°F (38.3°C) and an average low-temperature of 83.7°F (28.7°C).

What is the average humidity in August in Peoria?

In August, the average relative humidity is 30%.

What is the wettest month in Peoria?

The month with the most rainfall is August, when the rain falls for 10.1 days and typically aggregates up to 1.18" (30mm) of precipitation.

How many days does it rain in August in Peoria?

In Peoria, in August, during 10.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How many hours of daylight does Peoria have in August?

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

When are sunrise and sunset in August in Peoria?

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

How long on average sun shines in August in Peoria?

The average sunshine duration in August in Peoria, Arizona, is 11.9h.

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

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

What is the UV index reading in August in Peoria?

In Peoria, the average daily maximum UV index in August is 8. A UV Index estimate of 8 to 10 represents a very high health threat from unsafe 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
Peoria, AZ

Average temperature in August - Peoria, 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
Peoria, AZ

Average pressure in August - Peoria, 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
Peoria, AZ

Average wind speed in August - Peoria, 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
Peoria, AZ

Average humidity in August - Peoria, 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
Peoria, AZ

Average rainfall in August - Peoria, 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
Peoria, AZ

Average rainfall days in August - Peoria, 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
Peoria, AZ

Average daylight in August / Average sunshine in August - Peoria, 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
Peoria, AZ

Average sunshine days in August - Peoria, 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
Peoria, AZ

Average UV index in August - Peoria, 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
Peoria, AZ

Average cloud cover in August - Peoria, 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
Peoria, AZ

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

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