August weather forecastMount Vernon, TX
August
Weather in August
The last month of the summer, August, is another hot month in Mount Vernon, Texas, with an average temperature fluctuating between 93.9°F (34.4°C) and 72.9°F (22.7°C).Temperature
August is the month when Mount Vernon's temperatures reach their peak, with averages of 93.9°F (34.4°C) and lows of 72.9°F (22.7°C).Heat index
August's average heat index is estimated at a burning hot 114.8°F (46°C). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.Data suggests that the heat index is set for environments in shade and with a light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
August is the least humid month, with an average relative humidity of 66%.Rainfall
In Mount Vernon, during August, the rain falls for 11 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 112.3 rainfall days, and 13.7" (348mm) of precipitation is accumulated.Snowfall
In Mount Vernon, snow does not fall in April through December.Daylight
The average length of the day in August is 13h and 20min.On the first day of August, sunrise is at 6:34 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 7:46 pm CDT.
Sunshine
August has the most sunshine of the year, with an average of 11h of sunshine.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In August, a daily UV index of 7 turns into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mount Vernon, TX
- Average high temperature in August: 93.9°F
The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in August: 72.9°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in August
Mount Vernon, 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 Vernon, TX
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Mount Vernon, TX
- Average humidity in August: 66%
The months with the highest relative humidity are February and May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall in August
Mount Vernon, TX
- Average rainfall in August: 1.06"
The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in August
Mount Vernon, TX
- Average rainfall days in August: 11 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in August
Mount Vernon, TX
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Mount Vernon, TX
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (0.9 days).
The 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
Mount Vernon, TX
- Average daylight in August: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 11h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in August
Mount Vernon, TX
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is August (15.8 days).
Average UV index in August
Mount Vernon, TX
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Mount Vernon, TX
- Average cloud cover in August: 23
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Mount Vernon, 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).
