August weather forecast
Wewela, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Wewela, South Dakota, with an average temperature fluctuating between 85.8°F (29.9°C) and 63.9°F (17.7°C).

Temperature

Wewela experiences a subtle adjustment in high-temperatures to a moderately hot 85.8°F (29.9°C) with the onset of August, maintaining near parity with July's 88°F (31.1°C). A steady average of 63.9°F (17.7°C) throughout August underscores a considerable divergence from the daytime high.

Heat index

During August, the heat index is appraised at a hot 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. 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. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 57%.

Rainfall

In Wewela, South Dakota, in August, it is raining for 11.8 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Snowfall

In Wewela, snow does not fall in June through September.

Daylight

In Wewela, the average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:59 pm. On the last day of August, sunrise is at 7:03 am and sunset at 8:15 pm CDT.

Sunshine

In August, the average sunshine is 11h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Wewela during August?

Wewela in August has an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the least humid month in Wewela?

August and September, with an average relative humidity of 57%, are the least humid months.

What is the average humidity in August?

The average relative humidity in August is 57%.

How many days does it rain in August?

In August, the rain falls for 11.8 days. Throughout August, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

In Wewela, South Dakota, the average day length in August is 13h and 53min.

When are sunrise and sunset in August?

On the first day of August in Wewela, sunrise is at 6:30 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 8:15 pm CDT.

How long on average sun shines in August?

In Wewela, the average sunshine duration in August is 11h.

What is the month with the highest UV index?

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 August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Wewela, SD

Average temperature in August - Wewela, 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
Wewela, SD

Average pressure in August - Wewela, 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
Wewela, SD

Average wind speed in August - Wewela, 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
Wewela, SD

Average humidity in August - Wewela, 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
Wewela, SD

Average rainfall in August - Wewela, 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
Wewela, SD

Average rainfall days in August - Wewela, 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
Wewela, SD

Average snowfall in August - Wewela, 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
Wewela, SD

Average snowfall days in August - Wewela, 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
Wewela, SD

Average daylight in August / Average sunshine in August - Wewela, 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: 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
Wewela, SD

Average sunshine days in August - Wewela, 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
Wewela, SD

Average UV index in August - Wewela, 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
Wewela, SD

Average cloud cover in August - Wewela, 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
Wewela, SD

Average visibility in August - Wewela, 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).

Wewela, South Dakota, USA

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