August weather forecastMadison, SD
August
Weather in August
August rounds off the summer season in Madison, South Dakota with warm and enjoyable weather. While temperatures remain high, the month experiences a slight cooling trend. Rainfall decreases, making outdoor activities popular amongst both locals and visitors. Late-summer sunsets bathed in hues of red and orange mark the end of enjoyable warm days. As the summer season draws to a close, August's weather offers an idyllic end to Madison's summer days.Temperature
As August unfolds, the average high-temperature reaches a still moderately hot 81°F (27.2°C), hinting at a slight fluctuation from the previous month. Madison experiences a consistent, yet significant, drop from daily highs to a low-temperature of 59.4°F (15.2°C) throughout August.Heat index
The heat index in August is computed to be 84.2°F (29°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In August, the average relative humidity is 71%.Rainfall
In Madison, during August, the rain falls for 12.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 111.2 rainfall days, and 21.14" (537mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 57min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:51 pm. On the last day of August, sunrise is at 6:51 am and sunset at 8:05 pm CDT.
Sunshine
In Madison, the average sunshine in August is 10h.UV index
In Madison, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Madison, SD
- Average high temperature in August: 81°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 (22.3°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in August
Madison, 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 (29.85"Hg).
Average wind speed in August
Madison, SD
- Average wind speed in August: 8.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in August
Madison, SD
- Average humidity in August: 71%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Madison, SD
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in August
Madison, SD
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in August
Madison, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Madison, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Madison, SD
- Average daylight in August: 14h and 0min
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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Madison, SD
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in August
Madison, 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 and December (UV index 1).
Average cloud cover in August
Madison, SD
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Madison, 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).
