Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In Johnson City, the average temperatures in August are the highest, with a peak at 93.9°F (34.4°C) and a low of 72.9°F (22.7°C).Heat index
The heat index for August is calculated to be an extremely hot 111.2°F (44°C). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.Understanding the heat index involves considering values for shaded locales with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The least humid month in Johnson City, Texas, is August, with an average relative humidity of 61%.Rainfall
In Johnson City, in August, it is raining for 10.7 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Johnson City, there are 149 rainfall days, and 24.92" (633mm) of precipitation is accumulated.Snowfall
In Johnson City, snow does not fall in March through October and December.Daylight
In Johnson City, the average length of the day in August is 13h and 13min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:27 pm. On the last day of August, in Johnson City, sunrise is at 7:10 am and sunset at 7:57 pm CDT.
Sunshine
In Johnson City, Texas, the average sunshine in August is 9.9h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the warmest months in Johnson City?
How hot does it get in Johnson City in August?
What is the least humid month in Johnson City?
What is the average humidity in August in Johnson City?
How many days does it rain in August in Johnson City?
When it does not snow in Johnson City?
What is the average length of the day in August in Johnson City?
When is the sunrise / sunset in August in Johnson City?
How long on average sun shines in August in Johnson City?
What are the months with the highest UV index in Johnson City?
What is the UV index intensity in August in Johnson City?
Average temperature in August
Johnson City, 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 (58.6°F).
- Average low temperature in August: 72.9°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in August
Johnson City, TX
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Johnson City, TX
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in August
Johnson City, TX
- Average humidity in August: 61%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (61%).
Average rainfall in August
Johnson City, TX
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in August
Johnson City, TX
- Average rainfall days in August: 10.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in August
Johnson City, TX
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in August
Johnson City, TX
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.7 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
Johnson City, TX
- Average daylight in August: 13h and 1min
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: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 30min).
Average sunshine days in August
Johnson City, TX
- Average sunshine days in August: 18.3 days
The month with the most sunshine days is January (21.1 days).
The months with the least sunshine days are May and September (11.1 days).
Average UV index in August
Johnson City, 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
Johnson City, TX
- Average cloud cover in August: 24
The month with the most cloud cover is May (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in August
Johnson City, 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).
Johnson City, Texas, USA
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