August weather forecast
Oglala, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Oglala, South Dakota, with an average temperature fluctuating between 85.6°F (29.8°C) and 64°F (17.8°C).

Temperature

Oglala records an average high-temperature of a moderately hot 85.6°F (29.8°C) in August, maintaining a close correlation with July's 87.6°F (30.9°C). In Oglala, the nighttime temperature registers a significant drop from daytime peaks to an average of 64°F (17.8°C) in August.

Heat index

In August, the average heat index is appraised at a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

August is the least humid month, with an average relative humidity of 48%.

Rainfall

In Oglala, during August, the rain falls for 7.3 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Oglala, during the entire year, the rain falls for 86.7 days and collects up to 13.66" (347mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

The average length of the day in August in Oglala is 13h and 54min.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:12 pm. On the last day of August, in Oglala, sunrise is at 6:15 am and sunset at 7:27 pm MDT.

Sunshine

August has the most sunshine of the year, with an average of 11.8h of sunshine.

UV index

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. 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 Oglala in August?

In August, the average high-temperature and low-temperature in Oglala, South Dakota, are 85.6°F (29.8°C) and 64°F (17.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 86°F (30°C).

What is the least humid month in Oglala?

August is the least humid month in Oglala, with an average relative humidity of 48%.

What is the average humidity in August in Oglala?

In Oglala, South Dakota, the average relative humidity in August is 48%.

How many days does it rain in August in Oglala?

In Oglala, during August, the rain falls for 7.3 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in Oglala?

June through August are months without snowfall in Oglala.

Does it snow in Oglala in August?

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

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

In August, the average day length in Oglala, South Dakota, is 13h and 54min.

When are sunrise and sunset in August in Oglala?

On the first day of August in Oglala, sunrise is at 5:42 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:27 pm MDT.

What month has the most sunshine in Oglala?

The month with the most sunshine in Oglala is August, with an average of 11.8h of sunshine.

How many hours of sunshine does Oglala have in August?

In August, the average sunshine duration is 11.8h.

How high is the UV index in August in Oglala?

In Oglala, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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
Oglala, SD

Average temperature in August - Oglala, SD
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in August
Oglala, SD

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in August
Oglala, SD

Average wind speed in August - Oglala, SD
  • Average wind speed in August: 10.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

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Average humidity in August
Oglala, SD

Average humidity in August - Oglala, SD
  • Average humidity in August: 48%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).

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Average rainfall in August
Oglala, SD

Average rainfall in August - Oglala, SD
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Oglala, SD

Average rainfall days in August - Oglala, SD
  • Average rainfall days in August: 7.3 days

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).

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Average snowfall in August
Oglala, SD

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

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Oglala, SD

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

The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Oglala, SD
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in August
Oglala, SD

Average sunshine days in August - Oglala, SD
  • Average sunshine days in August: 22.3 days

The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in August
Oglala, SD

Average UV index in August - Oglala, SD
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Oglala, SD

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

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Oglala, SD

Average visibility in August - Oglala, SD
  • 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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Oglala, South Dakota, USA

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