August weather forecast
Sherman, TX

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Weather in August

The last month of the summer, August, is also a hot month in Sherman, Texas, with temperature in the range of an average low of 73.9°F (23.3°C) and an average high of 94.1°F (34.5°C).

Temperature

August, on average, is the warmest month, registering a high temperature of 94.1°F (34.5°C) and a low of 73.9°F (23.3°C).

Heat index

Throughout August, the heat index is calculated to be a scorching 111.2°F (44°C). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of 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 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

August is the least humid month in Sherman, with an average relative humidity of 60%.

Rainfall

In Sherman, in August, it is raining for 11.5 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 140.2 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

In Sherman, snow does not fall in April through October.

Daylight

In August, the average length of the day is 13h and 22min.
On the first day of the month, sunrise is at 6:39 am and sunset at 8:26 pm. On the last day of August, sunrise is at 7:00 am and sunset at 7:52 pm CDT.

Sunshine

With an average of 11.2h of sunshine, August has the most sunshine of the year in Sherman, Texas.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Sherman. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 7 during August, leads to the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What time of the year is the hottest in Sherman?

Sherman experiences its average highest temperatures in August, reaching a peak of 94.1°F (34.5°C) and a minimum of 73.9°F (23.3°C).

How hot is it in Sherman in August?

An average high-temperature, in August, in Sherman, is 94.1°F (34.5°C) and the average low-temperature is 73.9°F (23.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 111.2°F (44°C).

What is the least humid month in Sherman?

The least humid month is August, with an average relative humidity of 60%.

What is the average humidity in August in Sherman?

In Sherman, the average relative humidity in August is 60%.

How many days does it rain in August in Sherman?

In Sherman, Texas, during August, the rain falls for 11.5 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow in Sherman?

In Sherman, Texas, snow does not fall in April through October.

How many hours of daylight does Sherman have in August?

In Sherman, Texas, the average day length in August is 13h and 22min.

What time are sunrise and sunset in August in Sherman?

On the first day of August in Sherman, sunrise is at 6:39 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:52 pm CDT.

What month has the most sunshine in Sherman?

August has the most sunshine of the year in Sherman, with an average of 11.2h of sunshine.

How long on average sun shines in August in Sherman?

In August, the average sunshine duration in Sherman, Texas, is 11.2h.

When is the highest UV index in Sherman?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in August in Sherman?

In Sherman, Texas, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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
Sherman, TX

Average temperature in August - Sherman, TX
  • Average high temperature in August: 94.1°F

The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in August: 73.9°F

The month with the highest average low temperature is July (74.1°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

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Average pressure in August
Sherman, TX

Average pressure in August - Sherman, TX
  • 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 (29.9"Hg).

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Average wind speed in August
Sherman, TX

Average wind speed in August - Sherman, TX
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).

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Average humidity in August
Sherman, TX

Average humidity in August - Sherman, TX
  • Average humidity in August: 60%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in August
Sherman, TX

Average rainfall in August - Sherman, TX
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is October (4.09").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in August
Sherman, TX

Average rainfall days in August - Sherman, TX
  • Average rainfall days in August: 11.5 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in August
Sherman, TX

Average snowfall in August - Sherman, TX
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Sherman, TX

Average snowfall days in August - Sherman, TX
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Sherman, TX

Average daylight in August / Average sunshine in August - Sherman, TX
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in August
Sherman, TX

Average sunshine days in August - Sherman, TX
  • Average sunshine days in August: 16.5 days

The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is April (13.9 days).

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Average UV index in August
Sherman, TX

Average UV index in August - Sherman, TX
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Sherman, TX

Average cloud cover in August - Sherman, TX
  • Average cloud cover in August: 19

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in August
Sherman, TX

Average visibility in August - Sherman, TX
  • 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).

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Sherman, Texas, USA

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