July weather forecastSouth Houston, TX
July
Weather in July
July, like June, is a hot summer month in South Houston, Texas, with an average temperature varying between 91.9°F (33.3°C) and 77.7°F (25.4°C).Temperature
South Houston records an average high-temperature of a still tropical 91.9°F (33.3°C) in July, maintaining a close correlation with June's 90.1°F (32.3°C). The average low-temperature of 77.7°F (25.4°C) is witnessed during July.Heat index
Throughout July, the heat index is calculated to be a burning hot 114.8°F (46°C). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.Note that heat index values are valued for light wind and location in the shade. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
In July, the average relative humidity is 74%.Rainfall
In South Houston, Texas, in July, during 19.7 rainfall days, 4.33" (110mm) of precipitation is typically accumulated. In South Houston, Texas, during the entire year, the rain falls for 190.8 days and collects up to 41.93" (1065mm) of precipitation.Snowfall
February through November are months without snowfall in South Houston.Daylight
The average length of the day in July is 13h and 50min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:25 pm. On the last day of July, in South Houston, sunrise is at 6:40 am and sunset at 8:14 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.8h of sunshine.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 the ordinary person.Note: The maximum UV index of 7 during July leads to these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
South Houston, TX
- Average high temperature in July: 91.9°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.6°F).
- Average low temperature in July: 77.7°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in July
South Houston, TX
- Average pressure in July: 29.98"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
South Houston, TX
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (6.5mph).
Average humidity in July
South Houston, TX
- Average humidity in July: 74%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in July
South Houston, TX
- Average rainfall in July: 4.33"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in July
South Houston, TX
- Average rainfall days in July: 19.7 days
The months with the highest number of rainy days are August and September (21.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in July
South Houston, TX
- Average snowfall in July: 0"
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in July
South Houston, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
South Houston, TX
- Average daylight in July: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in July: 10h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in July
South Houston, TX
- Average sunshine days in July: 8.6 days
The month with the most sunshine days is January (16.4 days).
The months with the least sunshine days are August and September (6.9 days).
Average UV index in July
South Houston, 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, February, November and December (UV index 4).
Average cloud cover in July
South Houston, TX
- Average cloud cover in July: 27
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in July
South Houston, 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).





