August weather forecast
Mansfield, SD

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Weather in August

August, the last month of the summer in Mansfield, is also a moderately hot month, with an average temperature varying between 83.1°F (28.4°C) and 61°F (16.1°C).

Temperature

Mansfield registers an average high-temperature of a still moderately hot 83.1°F (28.4°C) at the commencement of August, closely related to the preceding month. Mansfield, in the heat of August, registers a significant plunge to a mean of 61°F (16.1°C) during the nights.

Heat index

The heat index in August is evaluated at a hot 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

August and September, with an average relative humidity of 60%, are the least humid months.

Rainfall

In August, the rain falls for 10.4 days. Throughout August, 1.61" (41mm) of precipitation is accumulated. In Mansfield, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 14h and 2min.
On the first day of the month, sunrise is at 6:19 am and sunset at 9:01 pm. On the last day of August, sunrise is at 6:55 am and sunset at 8:12 pm CDT.

Sunshine

The average sunshine in August is 10.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in August transforms into this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

During August, Mansfield experiences an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What are the least humid months in Mansfield?

The months with the lowest humidity are August and September, with an average relative humidity of 60%.

What is the average humidity in August?

The average relative humidity in August is 60%.

How many days does it rain in August?

In Mansfield, in August, during 10.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow?

In Mansfield, 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 14h and 2min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:19 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:12 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.7h.

When is the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from 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
Mansfield, SD

Average temperature in August - Mansfield, SD
  • Average high temperature in August: 83.1°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 (20.7°F).

  • Average low temperature in August: 61°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 (6.3°F).

Average pressure in August
Mansfield, SD

Average pressure in August - Mansfield, SD
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Mansfield, SD

Average wind speed in August - Mansfield, SD
  • Average wind speed in August: 8.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in August
Mansfield, SD

Average humidity in August - Mansfield, SD
  • Average humidity in August: 60%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in August
Mansfield, SD

Average rainfall in August - Mansfield, SD
  • Average rainfall in August: 1.61"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in August
Mansfield, SD

Average rainfall days in August - Mansfield, SD
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in August
Mansfield, SD

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

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Mansfield, SD

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

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Mansfield, SD

Average sunshine days in August - Mansfield, SD
  • Average sunshine days in August: 18.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in August
Mansfield, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in August
Mansfield, SD

Average cloud cover in August - Mansfield, SD
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in August
Mansfield, SD

Average visibility in August - Mansfield, 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).

Mansfield, South Dakota, USA

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