August weather forecast
Yarnell, AZ

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Weather in August

The last month of the summer, August, is also a fiery hot month in Yarnell, Arizona, with an average temperature varying between 79.7°F (26.5°C) and 96.1°F (35.6°C).

Temperature

The arrival of August brings an average high-temperature of a still very hot 96.1°F (35.6°C), nearly identical to July's 97.3°F (36.3°C). In Yarnell, an average low-temperature of 79.7°F (26.5°C) is recorded during August nights.

Humidity

In August, the average relative humidity is 32%.

Rainfall

The month with the most rainfall in Yarnell, Arizona, is August, when the rain falls for 9.8 days and typically aggregates up to 1.26" (32mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

The average length of the day in August is 13h and 23min.
On the first day of the month, sunrise is at 5:42 am and sunset at 7:31 pm. On the last day of August, sunrise is at 6:04 am and sunset at 6:57 pm MST.

Sunshine

In Yarnell, the average sunshine in August is 11.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 8 in August translates into the following recommendations:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

How hot is it in Yarnell in August?

An average high-temperature, in August, in Yarnell, is 96.1°F (35.6°C) and the average low-temperature is 79.7°F (26.5°C).

What is the average humidity in August in Yarnell?

In Yarnell, the average relative humidity in August is 32%.

What is the wettest month in Yarnell?

The month with the most rainfall in Yarnell, Arizona, is August, when the rain falls for 9.8 days and typically aggregates up to 1.26" (32mm) of precipitation.

How much does it rain in Yarnell in August?

In Yarnell, Arizona, during August, the rain falls for 9.8 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in Yarnell?

In Yarnell, snow does not fall in January through November.

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

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

When are sunrise and sunset in August in Yarnell?

On the first day of August, sunrise is at 5:42 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:57 pm MST.

How many hours of sunshine does Yarnell have in August?

In August, the average sunshine duration in Yarnell is 11.8h.

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

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

What is the UV index reading in August in Yarnell?

The average daily maximum UV index in August is 8. A UV Index reading of 8 to 10 represents a very high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Yarnell, AZ

Average temperature in August - Yarnell, AZ
  • Average high temperature in August: 96.1°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (58.8°F).

  • Average low temperature in August: 79.7°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).

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Average pressure in August
Yarnell, AZ

Average pressure in August - Yarnell, AZ
  • Average pressure in August: 29.85"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
Yarnell, AZ

Average wind speed in August - Yarnell, AZ
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).

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Average humidity in August
Yarnell, AZ

Average humidity in August - Yarnell, AZ
  • Average humidity in August: 32%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in August
Yarnell, AZ

Average rainfall in August - Yarnell, AZ
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is August (1.26").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in August
Yarnell, AZ

Average rainfall days in August - Yarnell, AZ
  • Average rainfall days in August: 9.8 days

The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.6 days).

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Average snowfall days in August
Yarnell, AZ

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

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in August / Average sunshine in August - Yarnell, 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 5min

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 48min).

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Average sunshine days in August
Yarnell, AZ

Average sunshine days in August - Yarnell, AZ
  • Average sunshine days in August: 17.1 days

The month with the most sunshine days is May (28.3 days).
The month with the least sunshine days is August (17.1 days).

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Average UV index in August
Yarnell, AZ

Average UV index in August - Yarnell, 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
Yarnell, AZ

Average cloud cover in August - Yarnell, AZ
  • Average cloud cover in August: 11

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
Yarnell, AZ

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

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