Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Upon the beginning of August, Sioux Falls's high-temperatures register at a still warm 81.1°F (27.3°C), closely mirroring the preceding month. Sioux Falls logs a substantial downturn to a mild 59.5°F (15.3°C) during August nights, a considerable shift from daytime highs.Heat index
The heat index for August is computed to be a tropical 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In Sioux Falls, South Dakota, the average relative humidity in August is 73%.Rainfall
In Sioux Falls, in August, it is raining for 13.2 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 117.1 rainfall days, and 20.71" (526mm) of precipitation is accumulated.Snowfall
In Sioux Falls, snow does not fall in June through September.Daylight
In August, the average length of the day in Sioux Falls is 13h and 55min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:49 pm. On the last day of August, sunrise is at 6:50 am and sunset at 8:03 pm CDT.
Sunshine
The average sunshine in August is 9.9h.UV index
In Sioux Falls, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Sioux Falls in August?
What is the average humidity in August in Sioux Falls?
How much does it rain in Sioux Falls in August?
When it does not snow in Sioux Falls?
How many hours of daylight does Sioux Falls have in August?
When is the sunrise / sunset in August in Sioux Falls?
How long on average sun shines in August in Sioux Falls?
How high is the UV index in August in Sioux Falls?
Average temperature in August
Sioux Falls, SD
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in August
Sioux Falls, SD
- Average pressure in August: 29.93"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
Sioux Falls, SD
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in August
Sioux Falls, SD
- Average humidity in August: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Sioux Falls, SD
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is June (3.27").
The driest months (with the least rainfall) are January, February and November (0.67").
Average rainfall days in August
Sioux Falls, SD
- Average rainfall days in August: 13.2 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 days).
Average snowfall in August
Sioux Falls, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sioux Falls, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sioux Falls, 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: 9h and 5min
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
Sioux Falls, SD
- Average sunshine days in August: 15.1 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Sioux Falls, 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
Sioux Falls, 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
Sioux Falls, SD
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Sioux Falls, South Dakota, USA
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