August weather forecast
Mount Calm, TX

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Weather in August

August, the last month of the summer in Mount Calm, is a very hot month, with temperature in the range of an average low of 75.7°F (24.3°C) and an average high of 95.5°F (35.3°C).

Temperature

August, with average temperatures reaching a high of 95.5°F (35.3°C) and a low of 75.7°F (24.3°C), is the warmest month.

Heat index

In August, the heat index is computed to be a life-threatening hot 113°F (45°C). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

With an average relative humidity of 58%, August is the least humid month in Mount Calm.

Rainfall

In August, the rain falls for 11.5 days. Throughout August, 2.13" (54mm) of precipitation is accumulated. In Mount Calm, during the entire year, the rain falls for 140.8 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

March through December are months without snowfall in Mount Calm.

Daylight

In Mount Calm, the average length of the day in August is 13h and 16min.
On the first day of the month, sunrise is at 6:43 am and sunset at 8:23 pm. On the last day of August, in Mount Calm, Texas, sunrise is at 7:02 am and sunset at 7:52 pm CDT.

Sunshine

July and August, with an average of 10.8h of sunshine, are months with the most sunshine in Mount Calm.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 in August converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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

What is the hottest time of year in Mount Calm?

Mount Calm's August weather, with an average high temperature of 95.5°F (35.3°C) and an average low temperature of 75.7°F (24.3°C), tends to be the warmest of the year.

How hot is it in Mount Calm in August?

The average high-temperature and low-temperature in Mount Calm during August are 95.5°F (35.3°C) and 75.7°F (24.3°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 113°F (45°C).

What is the least humid month in Mount Calm?

The least humid month is August, with an average relative humidity of 58%.

What is the average humidity in August in Mount Calm?

The average relative humidity in August in Mount Calm, Texas, is 58%.

How much does it rain in Mount Calm in August?

In Mount Calm, Texas, in August, during 11.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Mount Calm?

In Mount Calm, snow does not fall in March through December.

What is the average length of the day in August in Mount Calm?

The average day length in August in Mount Calm is 13h and 16min.

What time are sunrise and sunset in August in Mount Calm?

On the first day of August in Mount Calm, sunrise is at 6:43 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 7:52 pm CDT.

What is the month with the most sunshine in Mount Calm?

The months with the most sunshine are July and August, with an average of 10.8h of sunshine.

How many hours of sunshine does Mount Calm have in August?

In Mount Calm, Texas, the average sunshine duration in August is 10.8h.

What is the month with the highest UV index in Mount Calm?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Mount Calm.

What is the UV index intensity in August in Mount Calm?

In August, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Mount Calm, TX

Average temperature in August - Mount Calm, TX
  • Average high temperature in August: 95.5°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in August: 75.7°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in August
Mount Calm, TX

Average pressure in August - Mount Calm, TX
  • Average pressure in August: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Mount Calm, TX

Average wind speed in August - Mount Calm, TX
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

Average humidity in August
Mount Calm, TX

Average humidity in August - Mount Calm, TX
  • Average humidity in August: 58%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (58%).

Average rainfall in August
Mount Calm, TX

Average rainfall in August - Mount Calm, TX
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is October (4.25").
The driest months (with the least rainfall) are July and November (1.73").

Average rainfall days in August
Mount Calm, TX

Average rainfall days in August - Mount Calm, TX
  • Average rainfall days in August: 11.5 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in August
Mount Calm, TX

Average snowfall in August - Mount Calm, TX
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in August
Mount Calm, TX

Average snowfall days in August - Mount Calm, TX
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Mount Calm, TX

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in August: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in August
Mount Calm, TX

Average sunshine days in August - Mount Calm, TX
  • Average sunshine days in August: 17.5 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is May (13.3 days).

Average UV index in August
Mount Calm, TX

Average UV index in August - Mount Calm, TX
  • Average UV index in August: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in August
Mount Calm, TX

Average cloud cover in August - Mount Calm, TX
  • Average cloud cover in August: 22

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in August
Mount Calm, TX

Average visibility in August - Mount Calm, 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).

Mount Calm, Texas, USA

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