August weather forecast
Owanka, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Owanka, South Dakota, with an average temperature fluctuating between 82.8°F (28.2°C) and 61.5°F (16.4°C).

Temperature

The average high-temperature during August registers at a still moderately hot 82.8°F (28.2°C), closely corresponding to the preceding month. Throughout the nights in August, Owanka experiences an average low-temperature of 61.5°F (16.4°C).

Heat index

August's mean heat index is evaluated at 84.2°F (29°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

August and September, with an average relative humidity of 50%, are the least humid months.

Rainfall

In August, the rain falls for 12.8 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 118.8 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In Owanka, the average length of the day in August is 13h and 57min.
On the first day of August, sunrise is at 5:39 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:27 pm MDT.

Sunshine

With an average of 11.8h of sunshine, August has the most sunshine of the year in Owanka.

UV index

In Owanka, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 5 in August leads to these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

In August, the average high-temperature and low-temperature are 82.8°F (28.2°C) and 61.5°F (16.4°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 84.2°F (29°C).

What are the least humid months?

August and September, with an average relative humidity of 50%, are the least humid months.

What is the average humidity in August?

In Owanka, the average relative humidity in August is 50%.

How much does it rain in August?

In Owanka, during August, the rain falls for 12.8 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow?

In Owanka, South Dakota, snow does not fall in June through August.

Does it snow in August?

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

What is the average length of the day in August?

In August, the average day length in Owanka is 13h and 57min.

When is the sunrise / sunset in August in Owanka?

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:27 pm MDT.

What month has the most sunshine?

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

How long on average sun shines in August?

In Owanka, the average sunshine duration in August is 11.8h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Owanka, SD

Average temperature in August - Owanka, SD
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

Average pressure in August
Owanka, SD

Average pressure in August - Owanka, SD
  • Average pressure in August: 29.9"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).

Average wind speed in August
Owanka, SD

Average wind speed in August - Owanka, SD
  • Average wind speed in August: 8.2mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

Average humidity in August
Owanka, SD

Average humidity in August - Owanka, SD
  • Average humidity in August: 50%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).

Average rainfall in August
Owanka, SD

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

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in August
Owanka, SD

Average rainfall days in August - Owanka, SD
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).

Average snowfall in August
Owanka, SD

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

The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Owanka, SD

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

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
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 54min).

Average sunshine days in August
Owanka, SD

Average sunshine days in August - Owanka, SD
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).

Average UV index in August
Owanka, SD

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

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

Average cloud cover in August
Owanka, SD

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

The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in August
Owanka, SD

Average visibility in August - Owanka, 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).

Owanka, South Dakota, USA

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