August weather forecast
McNary, AZ

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Weather in August

The last month of the summer, August, is also a moderately hot month in McNary, Arizona, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 82°F (27.8°C).

Temperature

McNary's average high-temperature in August is a still warm 82°F (27.8°C), marking an insignificant difference from the 82.8°F (28.2°C) of July. August nights in McNary, Arizona, present a stark temperature decrease to a moderate 59.7°F (15.4°C).

Heat index

August's average heat index is evaluated at 82.4°F (28°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August in McNary is 47%.

Rainfall

In McNary, in August, during 11.8 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in McNary, there are 71.1 rainfall days, and 9.96" (253mm) of precipitation is accumulated.

Snowfall

In McNary, snow does not fall in June through September.

Daylight

In McNary, the average length of the day in August is 13h and 23min.
On the first day of August, sunrise is at 5:31 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 6:46 pm MST.

Sunshine

The months with the most sunshine are June and August, with an average of 12.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during August translates into the following guidance:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Feb 9, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What is the usual temperature for McNary in August?

In August, the average high-temperature and low-temperature in McNary are 82°F (27.8°C) and 59.7°F (15.4°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 82.4°F (28°C).

What is the average humidity in August in McNary?

In August, the average relative humidity in McNary is 47%.

How many days does it rain in August in McNary?

In August, in McNary, the rain falls for 11.8 days. Throughout August, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in McNary?

In McNary, Arizona, snow does not fall in June through September.

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

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

When is the sunrise / sunset in August in McNary?

On the first day of August, sunrise is at 5:31 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 6:46 pm MST.

What is the month with the most sunshine in McNary?

June and August, with an average of 12.1h of sunshine, are months with the most sunshine.

How long on average sun shines in August in McNary?

In McNary, the average sunshine duration in August is 12.1h.

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

June through August, with an average maximum UV index of 6, are months with the highest UV index in McNary.

What is the UV index intensity in August in McNary?

In McNary, Arizona, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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
McNary, AZ

Average temperature in August - McNary, AZ
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).

  • Average low temperature in August: 59.7°F

The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).

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Average pressure in August
McNary, AZ

Average pressure in August - McNary, AZ
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
McNary, AZ

Average wind speed in August - McNary, AZ
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in August
McNary, AZ

Average humidity in August - McNary, AZ
  • Average humidity in August: 47%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in August
McNary, AZ

Average rainfall in August - McNary, AZ
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").

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Average rainfall days in August
McNary, AZ

Average rainfall days in August - McNary, AZ
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in August
McNary, AZ

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

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
McNary, AZ

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

The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - McNary, 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 1min

The months with the most sunshine are June and August (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
McNary, AZ

Average sunshine days in August - McNary, AZ
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in August
McNary, AZ

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
McNary, AZ

Average cloud cover in August - McNary, AZ
  • Average cloud cover in August: 16

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).

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Average visibility in August
McNary, AZ

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

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