August weather forecast
Lower Brule, SD

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Weather in August

August, the last month of the summer in Lower Brule, is another warm month, with an average temperature ranging between min 63.7°F (17.6°C) and max 85.8°F (29.9°C).

Temperature

In August, Lower Brule's weather conditions record an average high-temperature of a warm 85.8°F (29.9°C), demonstrating little divergence from the preceding month. A steady average of 63.7°F (17.6°C) throughout August underscores a considerable divergence from the daytime high.

Heat index

August's heat index is evaluated at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Lower Brule, the average relative humidity in August is 59%.

Rainfall

In August, the rain falls for 11 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Lower Brule, the average length of the day in August is 13h and 57min.
On the first day of August in Lower Brule, sunrise is at 6:27 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:15 pm CDT.

Sunshine

In August, the average sunshine in Lower Brule 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during August translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

The high-temperature during August is 85.8°F (29.9°C) and the low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 59%.

How much does it rain in August?

In Lower Brule, in August, during 11 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Lower Brule have in August?

In August, the average day length is 13h and 57min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:27 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:15 pm CDT.

How many hours of sunshine does Lower Brule have in August?

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

What are the months with the highest UV index?

The months with the highest UV index in Lower Brule 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 of 6 to 7 symbolizes a high health risk 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
Lower Brule, SD

Average temperature in August - Lower Brule, 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 (26.1°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in August
Lower Brule, SD

Average pressure in August - Lower Brule, 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
Lower Brule, SD

Average wind speed in August - Lower Brule, SD
  • Average wind speed in August: 9.1mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).

Average humidity in August
Lower Brule, SD

Average humidity in August - Lower Brule, SD
  • Average humidity in August: 59%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).

Average rainfall in August
Lower Brule, SD

Average rainfall in August - Lower Brule, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").

Average rainfall days in August
Lower Brule, SD

Average rainfall days in August - Lower Brule, SD
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August
Lower Brule, SD

Average snowfall in August - Lower Brule, SD
  • Average snowfall in August: 0"

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

Average snowfall days in August
Lower Brule, SD

Average snowfall days in August - Lower Brule, SD
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Lower Brule, SD

Average daylight in August / Average sunshine in August - Lower Brule, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • 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 42min).

Average sunshine days in August
Lower Brule, SD

Average sunshine days in August - Lower Brule, SD
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).

Average UV index in August
Lower Brule, SD

Average UV index in August - Lower Brule, 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 February (UV index 1).

Average cloud cover in August
Lower Brule, SD

Average cloud cover in August - Lower Brule, SD
  • Average cloud cover in August: 20

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in August
Lower Brule, SD

Average visibility in August - Lower Brule, SD
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Lower Brule, South Dakota, USA

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