Memphis
Tennessee, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Memphis, TN

The last month of the summer, August, is another hot month in Memphis, Tennessee, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 70.9°F (21.6°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still hot 88°F (31.1°C). The average low-temperature, is 70.9°F (21.6°C).

Heat index

The average heat index in August is estimated at a sweltering 103.1°F (39.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Memphis, the average relative humidity in August is 75%.

Rainfall

In Memphis, during August, the rain falls for 11.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Memphis, Tennessee, there are 116.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13.4h.

Sunshine

In Memphis, the average sunshine is 10.5h.

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Memphis?

In August, in Memphis, Tennessee, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 70.9°F (21.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in August is estimated at 103.1°F (39.5°C).

What is the average humidity in August in Memphis?

In Memphis, the average relative humidity in August is 75%.

How much does it rain in Memphis in August?

In Memphis, Tennessee, during August, the rain falls for 11.9 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When it does not snow in Memphis?

April through October are months without snowfall in Memphis.

How many hours of daylight does Memphis have in August?

The average length of the day in August in Memphis is 13.4h.

How long on average sun shines in August in Memphis?

In August, the average sunshine in Memphis is 10.5h.

How high is the UV index in August in Memphis?

In Memphis, Tennessee, 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 the UV radiation.
Average temperature in August - Memphis, TN
  • Average high temperature in August: 88°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in August: 70.9°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average humidity in August - Memphis, TN
  • Average humidity in August: 75%

Months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (68%).

Average rainfall in August - Memphis, TN
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in August - Memphis, TN
  • Average rainfall days in August: 11.9 days

Months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is October (6.5 days).

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

The month with the highest snowfall is January (0.16").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Memphis, TN
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 10.5h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average UV index in August - Memphis, TN
  • Average UV index in August: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).