August weather forecast
Deadwood, SD

The warm setting sun has its rays spread over the scenic landscape in the colorful town of Deadwood, South Dakota
The warm setting sun has its rays spread over the scenic landscape in the colorful town of Deadwood, South Dakota

Weather in August

August, the last month of the summer in Deadwood, is also a moderately hot month, with an average temperature varying between 58.5°F (14.7°C) and 80.1°F (26.7°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still warm 80.1°F (26.7°C). In August, the average low-temperature is 58.5°F (14.7°C).

Humidity

August and September, with an average relative humidity of 51%, are the least humid months.

Rainfall

In August, in Deadwood, the rain falls for 12.2 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Deadwood, there are 96.1 rainfall days, and 14.02" (356mm) of precipitation is accumulated.

Snowfall

In Deadwood, snow does not fall in July and August.

Daylight

In Deadwood, the average length of the day in August is 13h and 58min.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:33 pm MDT.

Sunshine

August has the most sunshine of the year in Deadwood, with an average of 11.7h of sunshine.

UV index

In August, the average daily maximum UV index in Deadwood is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Deadwood?

The average high-temperature, in August, is 80.1°F (26.7°C), while the average low-temperature is 58.5°F (14.7°C). in July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 82.4°F (28°C).

What are the least humid months in Deadwood?

The months with the lowest humidity are August and September, with an average relative humidity of 51%.

What is the average humidity in August in Deadwood?

The average relative humidity in August in Deadwood is 51%.

How many days does it rain in August in Deadwood?

In Deadwood, in August, during 12.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow in Deadwood?

July and August are months without snowfall in Deadwood, South Dakota.

Does it snow in Deadwood in August?

In Deadwood, in August, it doesn't snow. In September, it regularly snows.

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

In Deadwood, the average day length in August is 13h and 58min.

When is the sunrise / sunset in August in Deadwood?

On the first day of August, sunrise is at 5:42 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:33 pm MDT.

What month has the most sunshine in Deadwood?

August has the most sunshine of the year in Deadwood, with an average of 11.7h of sunshine.

How long on average sun shines in August in Deadwood?

In August, the average sunshine duration is 11.7h.

What is the UV index reading in August in Deadwood?

The average daily maximum UV index in August in Deadwood is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Deadwood, SD

Average temperature in August - Deadwood, SD
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).

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Average pressure in August
Deadwood, SD

Average pressure in August - Deadwood, SD
  • Average pressure in August: 29.89"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
Deadwood, SD

Average wind speed in August - Deadwood, SD
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).

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Average humidity in August
Deadwood, SD

Average humidity in August - Deadwood, SD
  • Average humidity in August: 51%

The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).

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Average rainfall in August
Deadwood, SD

Average rainfall in August - Deadwood, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Deadwood, SD

Average rainfall days in August - Deadwood, SD
  • Average rainfall days in August: 12.2 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in August
Deadwood, SD

Average snowfall in August - Deadwood, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Deadwood, SD

Average snowfall days in August - Deadwood, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Deadwood, SD

Average daylight in August / Average sunshine in August - Deadwood, SD
  • Average daylight in August: 13h and 58min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • Average sunshine in August: 11h and 42min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

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Average sunshine days in August
Deadwood, SD

Average sunshine days in August - Deadwood, SD
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
Deadwood, SD

Average UV index in August - Deadwood, SD
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Deadwood, SD

Average cloud cover in August - Deadwood, SD
  • Average cloud cover in August: 16

The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Deadwood, SD

Average visibility in August - Deadwood, 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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