July weather forecastSan Leon, TX
July
Weather in July
July, like June, is another hot summer month in San Leon, Texas, with an average temperature ranging between min 80.2°F (26.8°C) and max 88.3°F (31.3°C).Temperature
San Leon records a slight change with July's average high-temperatures adjusting to a still tropical 88.3°F (31.3°C) from June's 86.7°F (30.4°C). Nighttime readings during July register a minimal drop from daytime highs, averaging at a warm 80.2°F (26.8°C).Heat index
For most parts of July, the heat index is calculated to be a scorching 104°F (40°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Know that the heat index computations account for shaded terrains and slight winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for 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.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The average relative humidity in July is 76%.Rainfall
In San Leon, Texas, during July, the rain falls for 19.9 days and regularly aggregates up to 5.24" (133mm) of precipitation. In San Leon, during the entire year, the rain falls for 188.2 days and collects up to 44.13" (1121mm) of precipitation.Snowfall
February through December are months without snowfall.Ocean temperature
In July, the average ocean temperature is 86°F (30°C).Note: It is common to find waters above 86°F (30°C) less appealing for a refreshing dip.
Daylight
In San Leon, the average length of the day in July is 13h and 49min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:23 pm. On the last day of July, sunrise is at 6:39 am and sunset at 8:12 pm CDT.
Sunshine
July and August, with an average of 10.7h of sunshine, are months with the most sunshine.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 in July translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
San Leon, TX
- Average high temperature in July: 88.3°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in July: 80.2°F
The months with the highest average low temperature are July and August (80.2°F).
The coldest month (with the lowest average low temperature) is January (49.5°F).
Average pressure in July
San Leon, 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
San Leon, TX
- Average wind speed in July: 8.6mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest months (with the lowest average wind speed) are August and September (8.3mph).
Average humidity in July
San Leon, TX
- Average humidity in July: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
San Leon, TX
- Average rainfall in July: 5.24"
The wettest month (with the highest rainfall) is September (6.77").
The driest month (with the least rainfall) is March (1.81").
Average rainfall days in July
San Leon, TX
- Average rainfall days in July: 19.9 days
The month with the highest number of rainy days is August (22.1 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in July
San Leon, TX
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in July
San Leon, 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, November and December (0 days).
Average sea temperature in July
San Leon, TX
- Average sea temperature in July: 86.1°F
The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).
Average daylight in July /
Average sunshine in July
San Leon, 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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in July
San Leon, TX
- Average sunshine days in July: 7.9 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in July
San Leon, TX
- Average UV index in July: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in July
San Leon, TX
- Average cloud cover in July: 28
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in July
San Leon, 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).
