August weather forecast
Deadwood, SD

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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 continues the pleasant summer weather trend in Deadwood. Despite a slight drop in average temperatures from last month’s high, it still registers a cozy average high temperature of 80.1°F (26.7°C). It offers the perfect balance of warm and comfortable weather for outdoor activities. Although the chances of rainfall decrease, intermittent rain showers still occur, bringing fleeting moments of respite from the summer heat. This month is also the peak time for tourism.

Temperature

Deadwood's weather in August indicates an average high-temperature of a still warm 80.1°F (26.7°C), nearly consistent with the 81.9°F (27.7°C) of July. Deadwood logs a notable disparity from the daily highs during August, as the nighttime temperature lowers to an average of 58.5°F (14.7°C).

Humidity

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

Rainfall

In Deadwood, in August, during 12.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Deadwood, during the entire year, the rain falls for 96.1 days and collects up to 14.02" (356mm) of precipitation.

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 August in Deadwood, sunrise is at 5:43 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:32 pm MDT.

Sunshine

The month with the most sunshine in Deadwood is August, with an average of 11.7h of sunshine.

UV index

In Deadwood, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What are August temperatures in Deadwood?

August temperatures vary between a high-temperature of 80.1°F (26.7°C) and a low-temperature of 58.5°F (14.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 82.4°F (28°C).

What is the least humid month in Deadwood?

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

What is the average humidity in August in Deadwood?

In Deadwood, the average relative humidity in August is 51%.

How much does it rain in Deadwood in August?

In Deadwood, South Dakota, in August, it is raining for 12.2 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Deadwood?

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

Does it snow in Deadwood in August?

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

What time are sunrise and sunset in August in Deadwood?

In August, on the first day of the month, sunrise is at 5:43 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:32 pm MDT.

What month has the most sunshine in Deadwood?

The month with the most sunshine in Deadwood is August, with an average of 11.7h of sunshine.

How long on average sun shines in August in Deadwood?

The average sunshine duration in August is 11.7h.

How high is the UV index in August in Deadwood?

In Deadwood, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
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: 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: 11h and 4min

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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Deadwood, South Dakota, USA

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