August weather forecastDakota Dunes, SD
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Dakota Dunes, South Dakota, with an average temperature fluctuating between 82°F (27.8°C) and 61.3°F (16.3°C).Temperature
As August unfolds, the average high-temperature reaches a still moderately hot 82°F (27.8°C), hinting at a slight fluctuation from the previous month. August sees the temperature falling to a mean low of 61.3°F (16.3°C).Heat index
The heat index for August is computed to be a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 highly critical to babies and toddlers. 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
In August, the average relative humidity is 74%.Rainfall
In Dakota Dunes, during August, the rain falls for 13.6 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Dakota Dunes, during the entire year, the rain falls for 122 days and collects up to 21.61" (549mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Dakota Dunes is 13h and 51min.On the first day of August, sunrise is at 6:19 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:01 pm CDT.
Sunshine
In Dakota Dunes, the average sunshine in August is 9.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during August leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dakota Dunes, SD
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Dakota Dunes, SD
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Dakota Dunes, SD
- Average wind speed in August: 8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in August
Dakota Dunes, SD
- Average humidity in August: 74%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).
Average rainfall in August
Dakota Dunes, SD
- Average rainfall in August: 2.2"
The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in August
Dakota Dunes, SD
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Dakota Dunes, SD
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Dakota Dunes, 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).
Average daylight in August /
Average sunshine in August
Dakota Dunes, SD
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Dakota Dunes, SD
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in August
Dakota Dunes, SD
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Dakota Dunes, SD
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in August
Dakota Dunes, 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).





