August weather forecast
Mission Hill, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Mission Hill, South Dakota, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 83.3°F (28.5°C).

Temperature

As Mission Hill steps into August, the average high-temperature is measured at a still moderately hot 83.3°F (28.5°C), displaying minor differences from July's 84.9°F (29.4°C). August nights experience a distinct temperature drop from the daily highs, with an average low-temperature of 61.3°F (16.3°C).

Heat index

For most parts of August, the heat index is estimated at a hot 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 quite 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

In Mission Hill, the average relative humidity in August is 70%.

Rainfall

In Mission Hill, South Dakota, during August, the rain falls for 14.2 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

In Mission Hill, snow does not fall in June through September.

Daylight

In Mission Hill, the average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 6:21 am and sunset at 8:49 pm. On the last day of August, sunrise is at 6:53 am and sunset at 8:04 pm CDT.

Sunshine

In Mission Hill, the average sunshine in August is 10.2h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

August temperatures vary between a high-temperature of 83.3°F (28.5°C) and a low-temperature of 61.3°F (16.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 70%.

How many days does it rain in August?

In August, the rain falls for 14.2 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow?

In Mission Hill, snow does not fall in June through September.

How many hours of daylight does Mission Hill have in August?

The average day length in August is 13h and 53min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:21 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:04 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

When is the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Mission Hill, SD

Average temperature in August - Mission Hill, SD
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in August
Mission Hill, SD

Average pressure in August - Mission Hill, SD
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Mission Hill, SD

Average wind speed in August - Mission Hill, SD
  • Average wind speed in August: 8.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in August
Mission Hill, SD

Average humidity in August - Mission Hill, SD
  • Average humidity in August: 70%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

Average rainfall in August
Mission Hill, SD

Average rainfall in August - Mission Hill, SD
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in August
Mission Hill, SD

Average rainfall days in August - Mission Hill, SD
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in August
Mission Hill, SD

Average snowfall in August - Mission Hill, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Mission Hill, SD

Average snowfall days in August - Mission Hill, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Mission Hill, SD

Average daylight in August / Average sunshine in August - Mission Hill, SD
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in August
Mission Hill, SD

Average sunshine days in August - Mission Hill, SD
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in August
Mission Hill, SD

Average UV index in August - Mission Hill, 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 January (UV index 1).

Average cloud cover in August
Mission Hill, SD

Average cloud cover in August - Mission Hill, SD
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in August
Mission Hill, SD

Average visibility in August - Mission Hill, 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).

Mission Hill, South Dakota, USA

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