August weather forecast
Quinn, SD

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Weather in August

August, the last month of the summer in Quinn, is also a hot month, with an average temperature ranging between max 87.1°F (30.6°C) and min 66.9°F (19.4°C).

Temperature

Quinn's transition from July to August introduces an average high-temperature of a still tropical 87.1°F (30.6°C), marking an insignificant variation from the 89.2°F (31.8°C). Throughout August, the temperature falls to an average low of 66.9°F (19.4°C).

Heat index

August's average heat index is estimated at a tropical 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In August, the average relative humidity is 48%.

Rainfall

In August, the rain falls for 10.8 days. Throughout August, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 95.3 rainfall days, and 13.74" (349mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Quinn, the average length of the day in August is 13h and 57min.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:11 pm. On the last day of August, in Quinn, South Dakota, sunrise is at 6:11 am and sunset at 7:25 pm MDT.

Sunshine

With an average of 11.7h of sunshine, August has the most sunshine of the year.

UV index

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 17, 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 87.1°F (30.6°C) and the low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 48%.

How many days does it rain in August?

In Quinn, in August, during 10.8 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

On the first day of August in Quinn, sunrise is at 5:37 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:25 pm MDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 11.7h of sunshine.

How many hours of sunshine does Quinn have in August?

In August, the average sunshine duration is 11.7h.

What is the UV index intensity in August?

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
Quinn, SD

Average temperature in August - Quinn, SD
  • Average high temperature in August: 87.1°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in August: 66.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in August
Quinn, SD

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Quinn, SD

Average wind speed in August - Quinn, SD
  • Average wind speed in August: 10.2mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).

Average humidity in August
Quinn, SD

Average humidity in August - Quinn, SD
  • Average humidity in August: 48%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).

Average rainfall in August
Quinn, SD

Average rainfall in August - Quinn, SD
  • Average rainfall in August: 1.18"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in August
Quinn, SD

Average rainfall days in August - Quinn, SD
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in August
Quinn, SD

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

The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Quinn, SD

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

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Quinn, 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 4min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in August
Quinn, SD

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

The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).

Average UV index in August
Quinn, SD

Average UV index in August - Quinn, SD
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Quinn, SD

Average cloud cover in August - Quinn, SD
  • Average cloud cover in August: 18

The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in August
Quinn, SD

Average visibility in August - Quinn, 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).

Quinn, South Dakota, USA

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