August weather forecastRoscoe, SD
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Roscoe, South Dakota, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 83.8°F (28.8°C).Temperature
Roscoe commences August with an average high-temperature of a still warm 83.8°F (28.8°C), maintaining a close resemblance to the previous month. In Roscoe, the August nights cool down to an average low of 63°F (17.2°C).Heat index
August's heat index is evaluated at a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 56%.Rainfall
In Roscoe, in August, it is raining for 11.3 days, with typically 1.42" (36mm) of accumulated precipitation. In Roscoe, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
In Roscoe, snow does not fall in June through September.Daylight
In Roscoe, the average length of the day in August is 14h and 3min.On the first day of August in Roscoe, sunrise is at 6:22 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:16 pm CDT.
Sunshine
In August, the average sunshine in Roscoe is 10.7h.UV index
The months with the highest UV index in Roscoe are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Roscoe, SD
- Average high temperature in August: 83.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in August: 63°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 (9.1°F).
Average pressure in August
Roscoe, SD
- Average pressure in August: 29.9"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Roscoe, SD
- Average wind speed in August: 9.7mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in August
Roscoe, SD
- Average humidity in August: 56%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in August
Roscoe, SD
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Roscoe, SD
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in August
Roscoe, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Roscoe, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Roscoe, SD
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Roscoe, SD
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in August
Roscoe, SD
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Roscoe, SD
- Average cloud cover in August: 22
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in August
Roscoe, 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).
