August weather forecast
Thunder Hawk, SD

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Weather in August

August, the last month of the summer in Thunder Hawk, is also a moderately hot month, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 61.9°F (16.6°C).

Temperature

The beginning of August reveals an average high-temperature of a still warm 82.6°F (28.1°C), showing minimal deviation from the previous month. August witnesses an average nighttime temperature of 61.9°F (16.6°C) in Thunder Hawk.

Heat index

During August, the heat index is computed to be 84.2°F (29°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Consider that heat index readings are for situations in the shade and light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

August and September, with an average relative humidity of 51%, are the least humid months.

Rainfall

In Thunder Hawk, during August, the rain falls for 11.3 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in Thunder Hawk, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

In Thunder Hawk, snow does not fall in June through September.

Daylight

The average length of the day in August is 14h and 5min.
On the first day of August in Thunder Hawk, sunrise is at 5:31 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:27 pm MDT.

Sunshine

The month with the most sunshine is August, with an average of 11.5h of sunshine.

UV index

The months with the highest UV index in Thunder Hawk 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 unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Thunder Hawk?

The average high-temperature and low-temperature in Thunder Hawk during August are 82.6°F (28.1°C) and 61.9°F (16.6°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 84.2°F (29°C).

What is the least humid month in Thunder Hawk?

August and September, with an average relative humidity of 51%, are the least humid months in Thunder Hawk, South Dakota.

What is the average humidity in August in Thunder Hawk?

In Thunder Hawk, South Dakota, the average relative humidity in August is 51%.

How many days does it rain in August in Thunder Hawk?

In August, in Thunder Hawk, South Dakota, the rain falls for 11.3 days. Throughout August, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Thunder Hawk?

June through September are months without snowfall.

How many hours of daylight does Thunder Hawk have in August?

In Thunder Hawk, the average day length in August is 14h and 5min.

What time are sunrise and sunset in August in Thunder Hawk?

On the first day of August, sunrise is at 5:31 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:27 pm MDT.

What month has the most sunshine in Thunder Hawk?

With an average of 11.5h of sunshine, August has the most sunshine of the year in Thunder Hawk.

How many hours of sunshine does Thunder Hawk have in August?

In Thunder Hawk, South Dakota, the average sunshine duration in August is 11.5h.

What are the months with the highest UV index in Thunder Hawk?

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

What is the UV index intensity in August in Thunder Hawk?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Thunder Hawk, SD

Average temperature in August - Thunder Hawk, SD
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in August
Thunder Hawk, SD

Average pressure in August - Thunder Hawk, SD
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in August
Thunder Hawk, SD

Average wind speed in August - Thunder Hawk, SD
  • Average wind speed in August: 9.6mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in August
Thunder Hawk, SD

Average humidity in August - Thunder Hawk, SD
  • Average humidity in August: 51%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).

Average rainfall in August
Thunder Hawk, SD

Average rainfall in August - Thunder Hawk, SD
  • Average rainfall in August: 1.34"

The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
Thunder Hawk, SD

Average rainfall days in August - Thunder Hawk, SD
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in August
Thunder Hawk, SD

Average snowfall in August - Thunder Hawk, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Thunder Hawk, SD

Average snowfall days in August - Thunder Hawk, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Thunder Hawk, SD

Average daylight in August / Average sunshine in August - Thunder Hawk, SD
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in August
Thunder Hawk, SD

Average sunshine days in August - Thunder Hawk, SD
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in August
Thunder Hawk, SD

Average UV index in August - Thunder Hawk, 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
Thunder Hawk, SD

Average cloud cover in August - Thunder Hawk, SD
  • Average cloud cover in August: 20

The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in August
Thunder Hawk, SD

Average visibility in August - Thunder Hawk, 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).

Thunder Hawk, South Dakota, USA

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