August weather forecast
Wagner, SD

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Weather in August

Summer continues in August with somewhat similar temperatures compared to July. It is a sunny month, with long days filled with plentiful light. The weather is conducive for excursions and other outdoor activities, as the city basks in the warmth. The wind speed drops slightly, averaging at 8.5mph (13.7km/h) offering slight relief from the summer heat. The temperatures, albeit ever so slightly, fall back a little from July levels, to lows ranging at 62.8°F (17.1°C) and reaching highs up to 85.1°F (29.5°C).

Temperature

The shift from July to August is characterized by an average high-temperature of a moderately hot 85.1°F (29.5°C), not significantly different from the 86.5°F (30.3°C) of July. Wagner logs a substantial downturn to a refreshing 62.8°F (17.1°C) during August nights, a considerable shift from daytime highs.

Heat index

The heat index in August is computed to be a hot 91.4°F (33°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in August is 65%.

Rainfall

In August, the rain falls for 11.3 days. Throughout August, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Wagner.

Daylight

In Wagner, the average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 6:24 am and sunset at 8:54 pm. On the last day of August, in Wagner, sunrise is at 6:57 am and sunset at 8:09 pm CDT.

Sunshine

In Wagner, the average sunshine in August is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Wagner. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during August translates into the following guidance:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Wagner during August?

Wagner in August has an average high-temperature of 85.1°F (29.5°C) and an average low-temperature of 62.8°F (17.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 91.4°F (33°C).

What is the average humidity in August in Wagner?

In August, the average relative humidity in Wagner is 65%.

How many days does it rain in August in Wagner?

In Wagner, South Dakota, during August, the rain falls for 11.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Wagner?

May through September are months without snowfall in Wagner, South Dakota.

How many hours of daylight does Wagner have in August?

The average day length in August in Wagner, South Dakota, is 13h and 53min.

When is the sunrise / sunset in August in Wagner?

In August, on the first day of the month, sunrise is at 6:24 am and sunset at 8:54 pm. On the last day of the month, in Wagner, sunrise is at 6:57 am and sunset at 8:09 pm CDT.

How many hours of sunshine does Wagner have in August?

The average sunshine duration in August in Wagner is 10.5h.

When is the highest UV index in Wagner?

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

How high is the UV index in August in Wagner?

The average daily maximum UV index in August in Wagner, South Dakota, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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
Wagner, SD

Average temperature in August - Wagner, SD
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in August
Wagner, SD

Average pressure in August - Wagner, 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
Wagner, SD

Average wind speed in August - Wagner, SD
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in August
Wagner, SD

Average humidity in August - Wagner, SD
  • Average humidity in August: 65%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in August
Wagner, SD

Average rainfall in August - Wagner, SD
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in August
Wagner, SD

Average rainfall days in August - Wagner, SD
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in August
Wagner, SD

Average snowfall in August - Wagner, SD
  • Average snowfall in August: 0"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Wagner, SD

Average snowfall days in August - Wagner, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Wagner, SD

Average daylight in August / Average sunshine in August - Wagner, SD
  • Average daylight in August: 13h and 5min

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 3min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August
Wagner, SD

Average sunshine days in August - Wagner, SD
  • Average sunshine days in August: 16.7 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in August
Wagner, SD

Average UV index in August - Wagner, 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
Wagner, SD

Average cloud cover in August - Wagner, SD
  • Average cloud cover in August: 24

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in August
Wagner, SD

Average visibility in August - Wagner, 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).

Wagner, South Dakota, USA

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