August weather forecast
Duncan, AZ

Weather in August

August, the last month of the summer in Duncan, is another hot month, with an average temperature ranging between min 68.2°F (20.1°C) and max 89.2°F (31.8°C).

Temperature

In Duncan, the average high-temperature in August is almost the same as in July - a still hot 89.2°F (31.8°C). In Duncan, the average low-temperature is 68.2°F (20.1°C).

Heat index

In August, the average heat index is estimated at a hot 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like clothing, pregnancy, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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

The average relative humidity in August is 42%.

Rainfall

In Duncan, it is raining for 16.8 days, with typically 2.2" (56mm) of accumulated precipitation. In Duncan, during the entire year, the rain falls for 92.3 days and collects up to 12.13" (308mm) of precipitation.

Snowfall

April through November are months without snowfall in Duncan.

Daylight

In Duncan, the average length of the day in August is 13h and 19min.
On the first day of August in Duncan, sunrise is at 5:30 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 6:42 pm MST.

Sunshine

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

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Duncan?

In August, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 68.2°F (20.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is estimated at 89.6°F (32°C).

What is the average humidity in August in Duncan?

The average relative humidity in August is 42%.

How much does it rain in Duncan in August?

In Duncan, Arizona, in August, it is raining for 16.8 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Duncan?

April through November are months without snowfall.

How many hours of daylight does Duncan have in August?

The average day length in August in Duncan is 13h and 19min.

What time are sunrise and sunset in August in Duncan?

In August, on the first day of the month, sunrise is at 5:30 am and sunset at 7:15 pm. On the last day of the month, in Duncan, sunrise is at 5:50 am and sunset at 6:42 pm MST.

What are the months with the most sunshine in Duncan?

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

How long on average sun shines in August in Duncan?

The average sunshine duration in August is 12.1h.

How high is the UV index in August in Duncan?

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

Average temperature in August
Duncan, AZ

Average temperature in August - Duncan, AZ
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure in August
Duncan, AZ

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Duncan, AZ

Average wind speed in August - Duncan, AZ
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.1mph).

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Average humidity in August
Duncan, AZ

Average humidity in August - Duncan, AZ
  • Average humidity in August: 42%

The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in August
Duncan, AZ

Average rainfall in August - Duncan, AZ
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is April (0.2").

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Average rainfall days in August
Duncan, AZ

Average rainfall days in August - Duncan, AZ
  • Average rainfall days in August: 16.8 days

The months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is May (3.5 days).

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Average snowfall in August
Duncan, AZ

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

The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Duncan, AZ

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

The month with the highest number of snowfall days is December (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in August / Average sunshine in August - Duncan, AZ
  • Average daylight in August: 13h and 19min

The month with the longest days is June (Average daylight: 14h and 16min).
The month with the shortest days is December (Average daylight: 10h and 2min).

  • Average sunshine in August: 12h and 6min

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
Duncan, AZ

Average sunshine days in August - Duncan, AZ
  • Average sunshine days in August: 8.3 days

The month with the most sunshine days is May (26.4 days).
The month with the least sunshine days is August (8.3 days).

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Average UV index in August
Duncan, AZ

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

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

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Average cloud cover in August
Duncan, AZ

Average cloud cover in August - Duncan, AZ
  • Average cloud cover in August: 17

The month with the most cloud cover is December (Cloud cover 22).
The months with the least cloud cover are May and June (Cloud cover 9).

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Average visibility in August
Duncan, AZ

Average visibility in August - Duncan, 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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