August weather forecast
Academy, SD

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Weather in August

August, the last month of the summer in Academy, is another warm month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 85.8°F (29.9°C).

Temperature

July's transformation into August witnesses an average high-temperature of a moderately hot 85.8°F (29.9°C), noting a minor change from the preceding month. Academy registers a marked temperature plunge to a refreshing 63.7°F (17.6°C) during the cool August nights.

Heat index

August's average heat index is estimated at a hot 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in August in Academy is 59%.

Rainfall

In August, in Academy, the rain falls for 11 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. In Academy, South Dakota, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

May through September are months without snowfall in Academy.

Daylight

In Academy, the average length of the day in August is 13h and 55min.
On the first day of August, sunrise is at 6:26 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 8:12 pm CDT.

Sunshine

The average sunshine in August in Academy is 11h.

UV index

The months with the highest UV index in Academy are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

Is it hot in Academy during August?

The average high-temperature, in August, in Academy, is 85.8°F (29.9°C), while the average low-temperature is 63.7°F (17.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 89.6°F (32°C).

What is the average humidity in August in Academy?

In Academy, South Dakota, the average relative humidity in August is 59%.

How many days does it rain in August in Academy?

In Academy, during August, the rain falls for 11 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Academy?

In Academy, snow does not fall in May through September.

What is the average length of the day in August in Academy?

In Academy, South Dakota, the average day length in August is 13h and 55min.

When are sunrise and sunset in August in Academy?

In August, on the first day of the month, sunrise is at 6:26 am and sunset at 8:58 pm. On the last day of the month, in Academy, sunrise is at 7:00 am and sunset at 8:12 pm CDT.

How long on average sun shines in August in Academy?

The average sunshine duration in August in Academy, South Dakota, is 11h.

When is the highest UV index in Academy?

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 Academy?

In Academy, South Dakota, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Academy, SD

Average temperature in August - Academy, 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).

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Average pressure in August
Academy, SD

Average pressure in August - Academy, 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).

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Average wind speed in August
Academy, SD

Average wind speed in August - Academy, 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).

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Average humidity in August
Academy, SD

Average humidity in August - Academy, 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%).

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Average rainfall in August
Academy, SD

Average rainfall in August - Academy, 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").

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Average rainfall days in August
Academy, SD

Average rainfall days in August - Academy, 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).

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Average snowfall in August
Academy, SD

Average snowfall in August - Academy, 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").

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Average snowfall days in August
Academy, SD

Average snowfall days in August - Academy, 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).

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

Average daylight in August / Average sunshine in August - Academy, 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 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).

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Average sunshine days in August
Academy, SD

Average sunshine days in August - Academy, 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).

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Average UV index in August
Academy, SD

Average UV index in August - Academy, 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).

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Average cloud cover in August
Academy, SD

Average cloud cover in August - Academy, 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).

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Average visibility in August
Academy, SD

Average visibility in August - Academy, 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).

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Academy, South Dakota, USA

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