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
August's arrival brings an average high-temperature of a warm 84.7°F (29.3°C), slightly deviating from July's 87.3°F (30.7°C). During August, Glad Valley consistently records a temperature low averaging an enjoyable 64°F (17.8°C).Heat index
For most parts of August, the heat index is estimated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Remember that heat index calculations are made for conditions in the shade with light wind. 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 'apparent temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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 49%, are the least humid months.Rainfall
In Glad Valley, during August, the rain falls for 10.8 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Glad Valley, during the entire year, the rain falls for 99.7 days and collects up to 16.06" (408mm) of precipitation.Snowfall
June through September are months without snowfall in Glad Valley.Daylight
In August, the average length of the day is 14h and 3min.On the first day of August, sunrise is at 5:32 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:25 pm MDT.
Sunshine
In Glad Valley, the average sunshine in August is 11.4h.UV index
In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Escape overexposure. People with light skin may incur burns in fewer 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during August?
What are the least humid months?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When are sunrise and sunset in August?
How many hours of sunshine does Glad Valley have in August?
How high is the UV index in August?
Average temperature in August
Glad Valley, SD
- Average high temperature in August: 84.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in August
Glad Valley, SD
- Average pressure in August: 29.9"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Glad Valley, SD
- Average wind speed in August: 10.4mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).
Average humidity in August
Glad Valley, SD
- Average humidity in August: 49%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in August
Glad Valley, SD
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in August
Glad Valley, SD
- Average rainfall days in August: 10.8 days
The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall in August
Glad Valley, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Glad Valley, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Glad Valley, 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: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in August
Glad Valley, SD
- Average sunshine days in August: 17 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in August
Glad Valley, 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
Glad Valley, SD
- Average cloud cover in August: 19
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in August
Glad Valley, 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).
Glad Valley, South Dakota, USA
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