August weather forecast
Duncan, AZ

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Weather in August

August, the last month of the summer in Duncan, is another hot month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 68.2°F (20.1°C).

Temperature

August brings an average high-temperature of a still tropical 89.2°F (31.8°C), showing a slight difference from July's 90.5°F (32.5°C). Throughout August, Duncan experiences a low-temperature average of 68.2°F (20.1°C).

Heat index

In August, the heat index is evaluated at a tropical 89.6°F (32°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In Duncan, the average relative humidity in August is 42%.

Rainfall

In August, in Duncan, the rain falls for 16.8 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 92.3 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

Snowfall

In Duncan, snow does not fall in April through November.

Daylight

In August, the average length of the day in Duncan, Arizona, is 13h and 19min.
On the first day of August, sunrise is at 5:30 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 6:41 pm MST.

Sunshine

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

UV index

In Duncan, Arizona, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. 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.

Frequently asked questions

How hot does it get in Duncan in August?

The high-temperature during August is 89.2°F (31.8°C) and the low-temperature is 68.2°F (20.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August in Duncan?

In August, the average relative humidity in Duncan, Arizona, is 42%.

How much does it rain in Duncan in August?

In Duncan, Arizona, during August, the rain falls for 16.8 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Duncan?

In Duncan, snow does not fall in April through November.

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

In August, the average day length in Duncan is 13h and 19min.

When is the sunrise / sunset in August in Duncan?

In August, on the first day of the month, sunrise is at 5:30 am and sunset at 7:14 pm. On the last day of the month, in Duncan, sunrise is at 5:51 am and sunset at 6:41 pm MST.

What is the month 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?

In August, the average sunshine duration is 12.1h.

How high is the UV index in August in Duncan?

The average daily maximum UV index in August in Duncan 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
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).

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).

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).

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%).

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").

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).

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").

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).

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 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • 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).

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).

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).

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).

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).

Duncan, Arizona, USA

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