August weather forecast
Okreek, SD

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Weather in August

August, the last month of the summer in Okreek, is also a moderately hot month, with an average temperature varying between 85.8°F (29.9°C) and 63.9°F (17.7°C).

Temperature

The average high-temperature during August is a warm 85.8°F (29.9°C), almost matching the conditions of the preceding month. In Okreek, the nighttime chill during August is a clear shift from the day's highs, with an average of 63.9°F (17.7°C).

Heat index

For August, the heat index is computed to be a tropical 89.6°F (32°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

August and September, with an average relative humidity of 57%, are the least humid months in Okreek.

Rainfall

In Okreek, in August, it is raining for 11.8 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Snowfall

In Okreek, snow does not fall in June through September.

Daylight

In Okreek, the average length of the day in August is 13h and 55min.
On the first day of August, sunrise is at 6:32 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 8:17 pm CDT.

Sunshine

In Okreek, the average sunshine in August is 11h.

UV index

The months with the highest UV index in Okreek are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot does it get in Okreek in August?

In Okreek, 85.8°F (29.9°C) is the average high-temperature and 63.9°F (17.7°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the least humid month in Okreek?

The months with the lowest humidity in Okreek are August and September, with an average relative humidity of 57%.

What is the average humidity in August in Okreek?

In Okreek, the average relative humidity in August is 57%.

How much does it rain in Okreek in August?

In Okreek, South Dakota, in August, during 11.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow in Okreek?

In Okreek, snow does not fall in June through September.

How many hours of daylight does Okreek have in August?

In Okreek, the average day length in August is 13h and 55min.

When is the sunrise / sunset in August in Okreek?

In August, on the first day of the month, sunrise is at 6:32 am and sunset at 9:03 pm. On the last day of the month, in Okreek, sunrise is at 7:05 am and sunset at 8:17 pm CDT.

How many hours of sunshine does Okreek have in August?

In Okreek, South Dakota, the average sunshine duration in August is 11h.

When is the highest UV index in Okreek?

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

What is the UV index reading in August in Okreek?

In Okreek, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Okreek, SD

Average temperature in August - Okreek, SD
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in August
Okreek, SD

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

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

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Average wind speed in August
Okreek, SD

Average wind speed in August - Okreek, SD
  • Average wind speed in August: 9.8mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in August
Okreek, SD

Average humidity in August - Okreek, SD
  • Average humidity in August: 57%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

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Average rainfall in August
Okreek, SD

Average rainfall in August - Okreek, SD
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in August
Okreek, SD

Average rainfall days in August - Okreek, SD
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

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Average snowfall in August
Okreek, SD

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

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Okreek, SD

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

The month with the highest number of snowfall days is January (9.6 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
Okreek, SD

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

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 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in August
Okreek, SD

Average sunshine days in August - Okreek, SD
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in August
Okreek, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Okreek, SD

Average cloud cover in August - Okreek, SD
  • Average cloud cover in August: 20

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in August
Okreek, SD

Average visibility in August - Okreek, 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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Okreek, South Dakota, USA

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