July weather forecastRowlett, TX
July
Weather in July
July, the same as June, in Rowlett, Texas, is another tropical summer month, with temperature in the range of an average high of 94.3°F (34.6°C) and an average low of 75°F (23.9°C).Temperature
Rowlett's shift into July sets the average high-temperature at a still hot 94.3°F (34.6°C), a figure that deviates only slightly from June's 90.1°F (32.3°C). Throughout July, Rowlett anticipates an average low-temperature of 75°F (23.9°C).Heat index
The heat index value during July is estimated at a blazing hot 114.8°F (46°C). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
The average relative humidity in July is 64%.Rainfall
In Rowlett, in July, during 11.6 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Rowlett, during the entire year, the rain falls for 120.2 days and collects up to 17.87" (454mm) of precipitation.Snowfall
In Rowlett, snow does not fall in March through December.Daylight
In Rowlett, the average length of the day in July is 14h and 4min.On the first day of July in Rowlett, sunrise is at 6:21 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:25 pm CDT.
Sunshine
In Rowlett, the average sunshine in July is 10.9h.UV index
May 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 health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 7 in July transforms into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rowlett, TX
- Average high temperature in July: 94.3°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in July: 75°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in July
Rowlett, TX
- Average pressure in July: 29.95"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 July
Rowlett, TX
- Average wind speed in July: 7.2mph
The windiest months (with the highest average wind speed) are March and April (9.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in July
Rowlett, TX
- Average humidity in July: 64%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in July
Rowlett, TX
- Average rainfall in July: 1.42"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in July
Rowlett, TX
- Average rainfall days in July: 11.6 days
The month with the highest number of rainy days is September (12.5 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in July
Rowlett, TX
- Average snowfall in July: 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 July
Rowlett, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Rowlett, 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 54min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in July
Rowlett, TX
- Average sunshine days in July: 17.8 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is June (16.2 days).
Average UV index in July
Rowlett, TX
- Average UV index in July: 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 July
Rowlett, TX
- Average cloud cover in July: 23
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in July
Rowlett, TX
- Average visibility in July: 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).





