August weather forecastKilleen, TX
August
Weather in August
August continues the summer heat in Killeen, with an even higher average temperature, peaking at 96.3°F (35.7°C). It is another month of significant warmth and sun-drenched days, with the humidity gradually decreasing. The frequency of rain continues to decrease, and the city remains dry. While day temperatures remain high, the nights bring slight relief with cooler conditions. Despite the heat, August maintains a consistency in weather conditions, setting the mood for the subsequent transition to fall.Temperature
In Killeen, August is the warmest month, with temperatures averaging a high of 96.3°F (35.7°C) and a low of 76.1°F (24.5°C).Heat index
The heat index value during August is evaluated at a life-threatening hot 113°F (45°C). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to 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.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
The least humid month is August, with an average relative humidity of 56%.Rainfall
In Killeen, during August, the rain falls for 11 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Killeen, during the entire year, the rain falls for 130.1 days and collects up to 23.07" (586mm) of precipitation.Snowfall
In Killeen, Texas, snow does not fall in March through December.Daylight
In Killeen, Texas, the average length of the day in August is 13h and 14min.On the first day of August in Killeen, sunrise is at 6:48 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 7:55 pm CDT.
Sunshine
In Killeen, the average sunshine in August is 10.5h.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 threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 7 in August leads to these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Killeen, TX
- Average high temperature in August: 96.3°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in August: 76.1°F
The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in August
Killeen, 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 (29.91"Hg).
Average wind speed in August
Killeen, TX
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in August
Killeen, TX
- Average humidity in August: 56%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).
Average rainfall in August
Killeen, TX
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is November (0.98").
Average rainfall days in August
Killeen, TX
- Average rainfall days in August: 11 days
The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in August
Killeen, TX
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Killeen, 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, October and November (0 days).
Average daylight in August /
Average sunshine in August
Killeen, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in August
Killeen, TX
- Average sunshine days in August: 17.7 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in August
Killeen, 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
Killeen, TX
- Average cloud cover in August: 21
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in August
Killeen, 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).





