August weather forecastJonestown, TX
August
Weather in August
The last month of the summer, August, is a torrid month in Jonestown, Texas, with an average temperature fluctuating between 95.5°F (35.3°C) and 74.8°F (23.8°C).Temperature
The warmest temperatures occur during August, when averages reach a peak of 95.5°F (35.3°C) and a low of 74.8°F (23.8°C).Heat index
The average heat index in August is calculated to be a blazing hot 113°F (45°C). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
With an average relative humidity of 59%, August is the least humid month.Rainfall
In Jonestown, in August, during 9.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Jonestown, during the entire year, the rain falls for 137.4 days and collects up to 24.13" (613mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In Jonestown, the average length of the day in August is 13h and 13min.On the first day of August, sunrise is at 6:50 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 7:55 pm CDT.
Sunshine
In August, the average sunshine is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 7 in August transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Jonestown, 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 (58.8°F).
- Average low temperature in August: 74.8°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in August
Jonestown, TX
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).
Average wind speed in August
Jonestown, TX
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in August
Jonestown, TX
- Average humidity in August: 59%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (59%).
Average rainfall in August
Jonestown, TX
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in August
Jonestown, TX
- Average rainfall days in August: 9.8 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in August
Jonestown, TX
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Jonestown, TX
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Jonestown, TX
- Average daylight in August: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are November and December (Average sunshine: 5h and 24min).
Average sunshine days in August
Jonestown, TX
- Average sunshine days in August: 19.5 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in August
Jonestown, 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 3).
Average cloud cover in August
Jonestown, TX
- Average cloud cover in August: 23
The months with the most cloud cover are March and May (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Jonestown, 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).
