August weather forecast
De Smet, SD

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Weather in August

August, the last month of the summer in De Smet, is also a moderately hot month, with an average temperature ranging between min 61.3°F (16.3°C) and max 84.2°F (29°C).

Temperature

August registers an average high-temperature of a still moderately hot 84.2°F (29°C), slightly varied from July's 85.6°F (29.8°C). The average low-temperature reading in August for De Smet reflects a significant fall from the daytime highs, stabilizing at an enjoyable 61.3°F (16.3°C).

Heat index

During August, the heat index is appraised at a tropical 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In August, the average relative humidity in De Smet is 63%.

Rainfall

In De Smet, in August, during 11.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In De Smet, during the entire year, the rain falls for 101.8 days and collects up to 18.19" (462mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 59min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:54 pm. On the last day of August, sunrise is at 6:52 am and sunset at 8:07 pm CDT.

Sunshine

The average sunshine in August in De Smet is 10.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

How hot is it in De Smet in August?

The average high-temperature and low-temperature in De Smet during August are 84.2°F (29°C) and 61.3°F (16.3°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in August in De Smet?

The average relative humidity in August is 63%.

How many days does it rain in August in De Smet?

In De Smet, South Dakota, in August, it is raining for 11.6 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in De Smet?

May through September are months without snowfall in De Smet.

How many hours of daylight does De Smet have in August?

In August, the average day length in De Smet is 13h and 59min.

What time are sunrise and sunset in August in De Smet?

On the first day of August in De Smet, South Dakota, sunrise is at 6:18 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:07 pm CDT.

How long on average sun shines in August in De Smet?

In August, the average sunshine duration in De Smet, South Dakota, is 10.8h.

What are the months with the highest UV index in De Smet?

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

What is the UV index reading in August in De Smet?

The average daily maximum UV index in August in De Smet is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
De Smet, SD

Average temperature in August - De Smet, SD
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure in August
De Smet, SD

Average pressure in August - De Smet, SD
  • Average pressure in August: 29.91"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
De Smet, SD

Average wind speed in August - De Smet, SD
  • Average wind speed in August: 8.6mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

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Average humidity in August
De Smet, SD

Average humidity in August - De Smet, SD
  • Average humidity in August: 63%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

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Average rainfall in August
De Smet, SD

Average rainfall in August - De Smet, SD
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
De Smet, SD

Average rainfall days in August - De Smet, SD
  • Average rainfall days in August: 11.6 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in August
De Smet, SD

Average snowfall in August - De Smet, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
De Smet, SD

Average snowfall days in August - De Smet, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (9.5 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
De Smet, SD

Average daylight in August / Average sunshine in August - De Smet, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
De Smet, SD

Average sunshine days in August - De Smet, SD
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
De Smet, SD

Average UV index in August - De Smet, SD
  • 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 and November (UV index 1).

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Average cloud cover in August
De Smet, SD

Average cloud cover in August - De Smet, SD
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

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Average visibility in August
De Smet, SD

Average visibility in August - De Smet, SD
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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De Smet, South Dakota, USA

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