July weather forecastSouth Padre Island, TX
July
Weather in July
July comfortably maintains the summer season's warmth, recording the highest average low temperature of 81.1°F (27.3°C) of the year. Cloud cover decreases from June, revealing more blue skies and piloting an exquisite weather moment. The island dwellers and visitors experience consistent daylight durations, providing sufficient illumination for various activities. July specifies a hike in atmospheric pressure, ensuring a balanced and stable weather condition. Considered as the windiest month, the blow reaches an average speed of 12.9mph (20.8km/h).Temperature
In July, South Padre Island experiences a minor shift in meteorological conditions with average high-temperatures marked at a tropical 86.9°F (30.5°C), closely mirroring the climate in June. A modest dip in temperatures to an average of 81.1°F (27.3°C) is observed throughout South Padre Island's July nights.Heat index
Throughout July, the heat index is estimated at a fiery hot 100.4°F (38°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for 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.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In South Padre Island, the average relative humidity in July is 77%.Rainfall
In July, in South Padre Island, the rain falls for 10.4 days. Throughout July, 2.6" (66mm) of precipitation is accumulated. In South Padre Island, during the entire year, the rain falls for 143.2 days and collects up to 21.38" (543mm) of precipitation.Ocean temperature
In South Padre Island, the average seawater temperature in July is 84°F (28.9°C).Note: Swimming, diving, and other water-related activities in temperatures between 77°F (25°C) and 84.2°F (29°C) are considered highly enjoyable and satisfying for longer durations without uneasiness.
Daylight
In South Padre Island, Texas, the average length of the day in July is 13h and 35min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:25 pm. On the last day of July, in South Padre Island, sunrise is at 6:54 am and sunset at 8:15 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 11.3h of sunshine.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In July, an average UV index of 7 transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The Sun's UV intensity grows with reflections off sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
South Padre Island, TX
- Average high temperature in July: 86.9°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in July: 81.1°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in July
South Padre Island, TX
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in July
South Padre Island, TX
- Average wind speed in July: 12.9mph
The windiest month (with the highest average wind speed) is April (14.2mph).
The calmest month (with the lowest average wind speed) is September (10.9mph).
Average humidity in July
South Padre Island, TX
- Average humidity in July: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
South Padre Island, TX
- Average rainfall in July: 2.6"
The wettest month (with the highest rainfall) is September (4.13").
The driest month (with the least rainfall) is April (0.51").
Average rainfall days in July
South Padre Island, TX
- Average rainfall days in July: 10.4 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is March (8.2 days).
Average sea temperature in July
South Padre Island, TX
- Average sea temperature in July: 84°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (66.7°F).
Average daylight in July /
Average sunshine in July
South Padre Island, TX
- Average daylight in July: 13h and 36min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in July: 11h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in July
South Padre Island, TX
- Average sunshine days in July: 17.3 days
The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in July
South Padre Island, TX
- Average UV index in July: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in July
South Padre Island, TX
- Average cloud cover in July: 22
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in July
South Padre Island, 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).





