August weather forecastValley Springs, SD
August
Weather in August
August, the last month of the summer in Valley Springs, is also a moderately hot month, with an average temperature varying between 80.8°F (27.1°C) and 59.5°F (15.3°C).Temperature
Valley Springs measures an average high-temperature of a still warm 80.8°F (27.1°C) in August, nearly consistent with the preceding month. In the month of August, the nighttime temperature dips to a steady average of 59.5°F (15.3°C).Heat index
August's mean heat index is estimated at 84.2°F (29°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in August in Valley Springs, South Dakota, is 74%.Rainfall
In Valley Springs, in August, during 13.1 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 112.2 rainfall days, and 20.67" (525mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 55min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:48 pm. On the last day of August, in Valley Springs, sunrise is at 6:49 am and sunset at 8:02 pm CDT.
Sunshine
The average sunshine in August in Valley Springs is 9.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Exercise prevention - Warding off sunburn is urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Valley Springs, SD
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in August
Valley Springs, SD
- Average pressure in August: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Valley Springs, SD
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in August
Valley Springs, SD
- Average humidity in August: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Valley Springs, SD
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in August
Valley Springs, SD
- Average rainfall days in August: 13.1 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in August
Valley Springs, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Valley Springs, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Valley Springs, SD
- Average daylight in August: 13h and 54min
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: 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 0min).
Average sunshine days in August
Valley Springs, SD
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in August
Valley Springs, 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, October, November and December (UV index 2).
Average cloud cover in August
Valley Springs, SD
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Valley Springs, 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).
