August weather forecast
Prescott, AZ

Beautiful sunset above the calm Watson Lake in the Granite Dells of Prescott, Arizona
Beautiful sunset above the calm Watson Lake in the Granite Dells of Prescott, Arizona

Weather in August

The last month of the summer, August, is another warm month in Prescott, Arizona, with an average temperature ranging between min 64.9°F (18.3°C) and max 85.1°F (29.5°C).

Temperature

In Prescott, Arizona, the average high-temperature in August is relatively the same as in July - a warm 85.1°F (29.5°C). In Prescott, in August, the average low-temperature is 64.9°F (18.3°C).

Heat index

In August, the average heat index is estimated at a tropical 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in August is 44%.

Rainfall

In August, the rain falls for 15.5 days. Throughout August, 3.66" (93mm) of precipitation is accumulated. Throughout the year, there are 76.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

In Prescott, snow does not fall in May through October.

Daylight

In August, the average length of the day in Prescott is 13h and 25min.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:32 pm. On the last day of August, sunrise is at 6:02 am and sunset at 6:58 pm MST.

Sunshine

The average sunshine in August in Prescott is 12h.

UV index

In Prescott, Arizona, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Prescott?

In Prescott, Arizona, in August, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is estimated at 86°F (30°C).

What is the average humidity in August in Prescott?

In August, the average relative humidity in Prescott, Arizona, is 44%.

How much does it rain in Prescott in August?

In Prescott, in August, during 15.5 rainfall days, 3.66" (93mm) of precipitation is typically accumulated.

When it does not snow in Prescott?

In Prescott, snow does not fall in May through October.

How many hours of daylight does Prescott have in August?

In Prescott, Arizona, the average day length in August is 13h and 25min.

When is the sunrise / sunset in August in Prescott?

On the first day of August in Prescott, Arizona, sunrise is at 5:40 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:58 pm MST.

How many hours of sunshine does Prescott have in August?

The average sunshine duration in August in Prescott, Arizona, is 12h.

What is the UV index intensity in August in Prescott?

The average daily maximum UV index in August in Prescott is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Prescott, AZ

Average temperature in August - Prescott, AZ
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).

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Average pressure in August
Prescott, AZ

Average pressure in August - Prescott, AZ
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in August
Prescott, AZ

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

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
Prescott, AZ

Average humidity in August - Prescott, AZ
  • Average humidity in August: 44%

The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in August
Prescott, AZ

Average rainfall in August - Prescott, AZ
  • Average rainfall in August: 3.66"

The wettest month (with the highest rainfall) is July (4.33").
The driest month (with the least rainfall) is June (0.24").

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Average rainfall days in August
Prescott, AZ

Average rainfall days in August - Prescott, AZ
  • Average rainfall days in August: 15.5 days

The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is June (2.3 days).

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Average snowfall in August
Prescott, AZ

Average snowfall in August - Prescott, AZ
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.13").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Prescott, AZ

Average snowfall days in August - Prescott, AZ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Prescott, 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: 12h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in August
Prescott, AZ

Average sunshine days in August - Prescott, AZ
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is May (26.8 days).
The month with the least sunshine days is August (12.8 days).

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Average UV index in August
Prescott, AZ

Average UV index in August - Prescott, AZ
  • Average UV index in August: 6

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Prescott, AZ

Average cloud cover in August - Prescott, AZ
  • Average cloud cover in August: 13

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in August
Prescott, AZ

Average visibility in August - Prescott, 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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