August weather forecast
McLaughlin, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in McLaughlin, South Dakota, with an average temperature ranging between max 84.2°F (29°C) and min 63.3°F (17.4°C).

Temperature

August registers an average high-temperature of a moderately hot 84.2°F (29°C), slightly varied from July's 86.4°F (30.2°C). During the nights in August, McLaughlin observes an average low-temperature of 63.3°F (17.4°C).

Heat index

Throughout August, the heat index is computed to be a hot 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings 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 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

August is the least humid month, with an average relative humidity of 52%.

Rainfall

In McLaughlin, South Dakota, in August, during 10.4 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In McLaughlin, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 14h and 4min.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:11 pm. On the last day of August, in McLaughlin, sunrise is at 6:04 am and sunset at 7:22 pm MDT.

Sunshine

In McLaughlin, South Dakota, the average sunshine in August is 10.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in McLaughlin in August?

In McLaughlin, in August, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the least humid month in McLaughlin?

With an average relative humidity of 52%, August is the least humid month in McLaughlin.

What is the average humidity in August in McLaughlin?

In August, the average relative humidity is 52%.

How much does it rain in McLaughlin in August?

In McLaughlin, South Dakota, in August, during 10.4 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow in McLaughlin?

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

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

In McLaughlin, South Dakota, the average day length in August is 14h and 4min.

When are sunrise and sunset in August in McLaughlin?

In August, on the first day of the month, sunrise is at 5:27 am and sunset at 8:11 pm. On the last day of the month, in McLaughlin, sunrise is at 6:04 am and sunset at 7:22 pm MDT.

How long on average sun shines in August in McLaughlin?

In August, the average sunshine duration in McLaughlin is 10.9h.

What are the months with the highest UV index in McLaughlin?

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 McLaughlin?

In McLaughlin, South Dakota, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents 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
McLaughlin, SD

Average temperature in August - McLaughlin, SD
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in August
McLaughlin, SD

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

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

Average wind speed in August
McLaughlin, SD

Average wind speed in August - McLaughlin, SD
  • Average wind speed in August: 9.5mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

Average humidity in August
McLaughlin, SD

Average humidity in August - McLaughlin, SD
  • Average humidity in August: 52%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

Average rainfall in August
McLaughlin, SD

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

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
McLaughlin, SD

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

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in August
McLaughlin, SD

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

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
McLaughlin, SD

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - McLaughlin, 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: 10h and 5min

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 6min).

Average sunshine days in August
McLaughlin, SD

Average sunshine days in August - McLaughlin, SD
  • Average sunshine days in August: 18 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

Average UV index in August
McLaughlin, SD

Average UV index in August - McLaughlin, 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 and December (UV index 1).

Average cloud cover in August
McLaughlin, SD

Average cloud cover in August - McLaughlin, SD
  • Average cloud cover in August: 21

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

Average visibility in August
McLaughlin, SD

Average visibility in August - McLaughlin, 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).

McLaughlin, South Dakota, USA

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