July weather forecastKarnack, TX
July
Weather in July
July in Karnack, Texas, is a fiery hot summer month, with temperature in the range of an average low of 73.2°F (22.9°C) and an average high of 95°F (35°C).Temperature
Karnack's July weather reaches an average high of 95°F (35°C) and an average low of 73.2°F (22.9°C), making it the warmest month.Heat index
The heat index value for July is computed to be a life-threatening hot 122°F (50°C). Note: Heat exhaustion and heat cramps are probable. Heatstroke can follow with prolonged activity.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. 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. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In Karnack, Texas, the average relative humidity in July is 69%.Rainfall
In July, the rain falls for 14.6 days. Throughout July, 1.89" (48mm) of precipitation is accumulated. In Karnack, during the entire year, the rain falls for 143.1 days and collects up to 27.32" (694mm) of precipitation.Snowfall
In Karnack, snow does not fall in April through November.Daylight
In Karnack, the average length of the day in July is 14h and 3min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:28 pm. On the last day of July, in Karnack, Texas, sunrise is at 6:30 am and sunset at 8:15 pm CDT.
Sunshine
In July, the average sunshine is 10.4h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During July, 7 as the daily maximum UV index converts into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Karnack, TX
- Average high temperature in July: 95°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in July: 73.2°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in July
Karnack, TX
- Average pressure in July: 29.97"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 July
Karnack, TX
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Karnack, TX
- Average humidity in July: 69%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in July
Karnack, TX
- Average rainfall in July: 1.89"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in July
Karnack, TX
- Average rainfall days in July: 14.6 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in July
Karnack, TX
- Average snowfall in July: 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 and November (0").
Average snowfall days in July
Karnack, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Karnack, TX
- Average daylight in July: 14h and 6min
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 July: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in July
Karnack, TX
- Average sunshine days in July: 13.3 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in July
Karnack, TX
- Average UV index in July: 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 and December (UV index 3).
Average cloud cover in July
Karnack, TX
- Average cloud cover in July: 28
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Karnack, TX
- Average visibility in July: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
