August weather forecast
Memphis, MO

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Weather in August

August, the last month of the summer in Memphis, is also a moderately hot month, with an average temperature fluctuating between 63.9°F (17.7°C) and 82.8°F (28.2°C).

Temperature

The dawn of August sees an average high-temperature of a still moderately hot 82.8°F (28.2°C), subtly contrasting with July's 83.3°F (28.5°C). Memphis records an average low-temperature of 63.9°F (17.7°C) throughout the month of August.

Heat index

For August, the heat index is calculated to be a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise 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

The average relative humidity in August is 78%.

Rainfall

In Memphis, in August, during 12.9 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 136.6 rainfall days, and 28.5" (724mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Memphis, Missouri, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:23 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:41 pm CDT.

Sunshine

In Memphis, the average sunshine in August is 10h.

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 threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Memphis, is 82.8°F (28.2°C), while the low-temperature averages to 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 78%.

How many days does it rain in August?

In Memphis, Missouri, in August, during 12.9 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in August?

The average day length in August is 13h and 44min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:06 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:41 pm CDT.

How many hours of sunshine does Memphis have in August?

In August, the average sunshine duration is 10h.

When is the highest UV index in Memphis?

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 Memphis, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Memphis, MO

Average temperature in August - Memphis, MO
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in August
Memphis, MO

Average pressure in August - Memphis, MO
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Memphis, MO

Average wind speed in August - Memphis, MO
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in August
Memphis, MO

Average humidity in August - Memphis, MO
  • Average humidity in August: 78%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Memphis, MO

Average rainfall in August - Memphis, MO
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in August
Memphis, MO

Average rainfall days in August - Memphis, MO
  • Average rainfall days in August: 12.9 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in August
Memphis, MO

Average snowfall in August - Memphis, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Memphis, MO

Average snowfall days in August - Memphis, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Memphis, MO

Average daylight in August / Average sunshine in August - Memphis, MO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
Memphis, MO

Average sunshine days in August - Memphis, MO
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in August
Memphis, MO

Average UV index in August - Memphis, MO
  • 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, November and December (UV index 2).

Average cloud cover in August
Memphis, MO

Average cloud cover in August - Memphis, MO
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in August
Memphis, MO

Average visibility in August - Memphis, MO
  • 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).

Memphis, Missouri, USA

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