August weather forecastWounded Knee, SD
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Wounded Knee, South Dakota, with an average temperature fluctuating between 85.6°F (29.8°C) and 64°F (17.8°C).Temperature
Wounded Knee's August reports an average high-temperature of a warm 85.6°F (29.8°C), exhibiting a minor difference from July. August nights indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a comfortable 64°F (17.8°C).Heat index
Throughout August, the heat index is appraised at a tropical 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The least humid month is August, with an average relative humidity of 48%.Rainfall
In Wounded Knee, in August, during 7.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Wounded Knee, during the entire year, the rain falls for 86.7 days and collects up to 13.66" (347mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In Wounded Knee, the average length of the day in August is 13h and 53min.On the first day of August, sunrise is at 5:40 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:25 pm MDT.
Sunshine
The month with the most sunshine in Wounded Knee is August, with an average of 11.8h of sunshine.UV index
In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 suggests these recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Wounded Knee, SD
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in August
Wounded Knee, SD
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Wounded Knee, SD
- Average wind speed in August: 10.2mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in August
Wounded Knee, SD
- Average humidity in August: 48%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in August
Wounded Knee, SD
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Wounded Knee, SD
- Average rainfall days in August: 7.3 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in August
Wounded Knee, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Wounded Knee, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Wounded Knee, SD
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 11h and 48min
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 12min).
Average sunshine days in August
Wounded Knee, SD
- Average sunshine days in August: 22.3 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in August
Wounded Knee, SD
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Wounded Knee, SD
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in August
Wounded Knee, 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).





