August weather forecast and climate
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

August, the last month of the summer, in Prescott, is another warm month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 85.1°F (29.5°C).

Temperature

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

Heat index

In August, the average heat index is appraised at 85.3°F (29.6°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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, pregnancy, clothing, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Prescott, it is raining for 15.5 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, there are 76.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13.4h.

Sunshine

In August, the average sunshine is 12h.

UV index

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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?

The average high-temperature, in August, is 85.1°F (29.5°C), while the average low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, is estimated at 85.3°F (29.6°C).

What is the average humidity in August in Prescott?

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

How much does it rain in Prescott in August?

In Prescott, during August, the rain falls for 15.5 days and regularly aggregates up to 3.66" (93mm) of precipitation.

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 August, the average length of the day in Prescott is 13.4h.

How long on average sun shines in August in Prescott?

In Prescott, the average sunshine in August is 12h.

What is the UV index intensity in August in Prescott?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

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"

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

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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

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").
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).
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: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 12h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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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

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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