August weather forecastHenderson, TX
August
Weather in August
August, the last month of the summer in Henderson, is another hot month, with temperature in the range of an average low of 73.2°F (22.9°C) and an average high of 94.6°F (34.8°C).Temperature
With its high average temperature of 94.6°F (34.8°C) and a low of 73.2°F (22.9°C), August is regarded as the warmest month.Heat index
For most parts of August, the heat index is appraised at a life-threatening hot 118.4°F (48°C). Attention: Heat exhaustion and heat cramps are quite likely. Heatstroke becomes a risk with continued exertion.When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
August is the least humid month in Henderson, with an average relative humidity of 67%.Rainfall
In Henderson, Texas, in August, during 13.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Henderson, during the entire year, the rain falls for 139.1 days and collects up to 24.49" (622mm) of precipitation.Snowfall
In Henderson, snow does not fall in April through December.Daylight
In Henderson, Texas, the average length of the day in August is 13h and 17min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:54 am and sunset at 7:44 pm CDT.
Sunshine
With an average of 10.5h of sunshine, August has the most sunshine of the year in Henderson.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In August, an average UV index of 7 transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Henderson, TX
- Average high temperature in August: 94.6°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in August: 73.2°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in August
Henderson, 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 (29.93"Hg).
Average wind speed in August
Henderson, TX
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).
Average humidity in August
Henderson, TX
- Average humidity in August: 67%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in August
Henderson, TX
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in August
Henderson, TX
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in August
Henderson, TX
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Henderson, TX
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Henderson, TX
- Average daylight in August: 13h and 18min
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 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in August
Henderson, TX
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in August
Henderson, 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
Henderson, TX
- Average cloud cover in August: 28
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Henderson, TX
- Average visibility in August: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).





