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
In the transition from July to August, White River reports an average high-temperature of a moderately hot 85.8°F (29.9°C), indicating a close resemblance to the prior month. White River, during the nights of August, registers a substantial plunge from the daytime high, averaging at a refreshing 63.9°F (17.7°C).Heat index
August's average heat index is estimated at a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 particularly meaningful for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
August and September, with an average relative humidity of 57%, are the least humid months.Rainfall
In White River, in August, during 11.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, in White River, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
In White River, South Dakota, snow does not fall in June through September.Daylight
In White River, the average length of the day in August is 13h and 55min.On the first day of August in White River, sunrise is at 6:33 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:19 pm CDT.
Sunshine
In White River, South Dakota, the average sunshine in August is 11h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
Is it hot in White River during August?
What is the least humid month in White River?
What is the average humidity in August in White River?
How much does it rain in White River in August?
When it does not snow in White River?
How many hours of daylight does White River have in August?
When are sunrise and sunset in August in White River?
How many hours of sunshine does White River have in August?
What are the months with the highest UV index in White River?
How high is the UV index in August in White River?
Average temperature in August
White River, SD
- Average high temperature in August: 85.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in August
White River, SD
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
White River, SD
- Average wind speed in August: 9.8mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in August
White River, SD
- Average humidity in August: 57%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in August
White River, SD
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in August
White River, SD
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in August
White River, SD
- Average snowfall in August: 0"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
White River, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
White River, 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: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in August
White River, SD
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in August
White River, SD
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
White River, SD
- Average cloud cover in August: 20
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in August
White River, 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).
White River, South Dakota, USA
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