August weather forecastTyndall, SD
August
Weather in August
The last month of the summer, August, is another warm month in Tyndall, South Dakota, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 62.6°F (17°C).Temperature
At the start of August, Tyndall's average high-temperature reaches a still warm 84.4°F (29.1°C), subtly different from the preceding month. From the heights of the August heat, Tyndall records a mean nighttime low of 62.6°F (17°C).Heat index
The heat index for August is appraised at a hot 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In Tyndall, the average relative humidity in August is 66%.Rainfall
In Tyndall, in August, during 12 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Tyndall, during the entire year, the rain falls for 106.8 days and collects up to 19.29" (490mm) of precipitation.Snowfall
In Tyndall, snow does not fall in May through September.Daylight
In Tyndall, South Dakota, the average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:52 pm. On the last day of August, sunrise is at 6:55 am and sunset at 8:07 pm CDT.
Sunshine
In Tyndall, the average sunshine in August is 10.5h.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 rays for the average person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tyndall, SD
- Average high temperature in August: 84.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in August
Tyndall, SD
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Tyndall, SD
- Average wind speed in August: 8.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in August
Tyndall, SD
- Average humidity in August: 66%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).
Average rainfall in August
Tyndall, SD
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in August
Tyndall, SD
- Average rainfall days in August: 12 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in August
Tyndall, SD
- Average snowfall in August: 0"
The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Tyndall, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Tyndall, 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: 10h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Tyndall, SD
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in August
Tyndall, 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 2).
Average cloud cover in August
Tyndall, SD
- Average cloud cover in August: 25
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in August
Tyndall, 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).





