August weather forecast
Hot Springs, SD

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Weather in August

August continues the summer trend seen in July but with slightly reduced temperatures. The city's summer heat sees a slight drop compared to July, with the maximum temperature averaging around 84°F (28.9°C). A further reduction in rainfall to 1.77" (45mm) solidifies the city's dry spell, with barely a hint of the torrents experienced during the wettest month of May. Despite a slight drop in the number of daytime hours, August remains a predominantly sunny month. The climate overall encourages the continuation of summer activities without hindrance.

Temperature

The initiation of August in Hot Springs sees an average high-temperature of a moderately hot 84°F (28.9°C), showing minor variations from the previous month. Hot Springs's average low-temperature of 62.1°F (16.7°C) in August reflects a considerable decline from the daytime peak.

Heat index

The heat index for August is calculated to be 84.2°F (29°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important 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

With an average relative humidity of 47%, August is the least humid month.

Rainfall

In Hot Springs, in August, during 12.8 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 115.8 rainfall days, and 16.61" (422mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall in Hot Springs, South Dakota.

Daylight

In August, the average length of the day is 13h and 55min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:15 pm. On the last day of August, in Hot Springs, sunrise is at 6:17 am and sunset at 7:30 pm MDT.

Sunshine

With an average of 11.8h of sunshine, August has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Hot Springs. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Hot Springs in August?

The average high-temperature, in August, in Hot Springs, is 84°F (28.9°C), while the average low-temperature is 62.1°F (16.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 84.2°F (29°C).

What is the least humid month in Hot Springs?

With an average relative humidity of 47%, August is the least humid month in Hot Springs, South Dakota.

What is the average humidity in August in Hot Springs?

In Hot Springs, South Dakota, the average relative humidity in August is 47%.

How much does it rain in Hot Springs in August?

In Hot Springs, in August, during 12.8 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Hot Springs?

June through August are months without snowfall.

Does it snow in Hot Springs in August?

In Hot Springs, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Hot Springs?

The average day length in August is 13h and 55min.

When are sunrise and sunset in August in Hot Springs?

In August, on the first day of the month, sunrise is at 5:44 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:30 pm MDT.

What month has the most sunshine in Hot Springs?

With an average of 11.8h of sunshine, August has the most sunshine of the year in Hot Springs.

How many hours of sunshine does Hot Springs have in August?

In Hot Springs, South Dakota, the average sunshine duration in August is 11.8h.

What is the month with the highest UV index in Hot Springs?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Hot Springs?

In Hot Springs, South Dakota, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Hot Springs, SD

Average temperature in August - Hot Springs, SD
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).

Average pressure in August
Hot Springs, SD

Average pressure in August - Hot Springs, SD
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in August
Hot Springs, SD

Average wind speed in August - Hot Springs, SD
  • Average wind speed in August: 7.8mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in August
Hot Springs, SD

Average humidity in August - Hot Springs, SD
  • Average humidity in August: 47%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).

Average rainfall in August
Hot Springs, SD

Average rainfall in August - Hot Springs, SD
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in August
Hot Springs, SD

Average rainfall days in August - Hot Springs, SD
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in August
Hot Springs, SD

Average snowfall in August - Hot Springs, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Hot Springs, SD

Average snowfall days in August - Hot Springs, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Hot Springs, SD

Average daylight in August / Average sunshine in August - Hot Springs, 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 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in August
Hot Springs, SD

Average sunshine days in August - Hot Springs, SD
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in August
Hot Springs, SD

Average UV index in August - Hot Springs, 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
Hot Springs, SD

Average cloud cover in August - Hot Springs, SD
  • Average cloud cover in August: 17

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in August
Hot Springs, SD

Average visibility in August - Hot Springs, 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).

Hot Springs, South Dakota, USA

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