Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July's onset records a minor alteration in the average high-temperature to a still fiery hot 99.3°F (37.4°C) from June's 97.7°F (36.5°C). An average nighttime temperature of 78.4°F (25.8°C) is witnessed in San Isidro, Texas throughout July.Heat index
For July, the heat index is estimated at a burning hot 123.8°F (51°C). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight can cause a surge in the heat index 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. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In San Isidro, the average relative humidity in July is 57%.Rainfall
In July, in San Isidro, the rain falls for 7.3 days. Throughout July, 1.54" (39mm) of precipitation is accumulated. Throughout the year, in San Isidro, Texas, there are 98.5 rainfall days, and 13.11" (333mm) of precipitation is accumulated.Snowfall
In San Isidro, Texas, snow does not fall in March through December.Daylight
In July, the average length of the day is 13h and 38min.On the first day of July in San Isidro, sunrise is at 6:44 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:21 pm CDT.
Sunshine
The months with the most sunshine in San Isidro are June and July, with an average of 11.3h of sunshine.UV index
July and August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 8 during July leads to these instructions:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
How hot is it in San Isidro in July?
What is the average humidity in July in San Isidro?
How many days does it rain in July in San Isidro?
When it does not snow in San Isidro?
How many hours of daylight does San Isidro have in July?
When are sunrise and sunset in July in San Isidro?
What are the months with the most sunshine in San Isidro?
How long on average sun shines in July in San Isidro?
What is the month with the highest UV index in San Isidro?
What is the UV index intensity in July in San Isidro?
Average temperature in July
San Isidro, TX
- Average high temperature in July: 99.3°F
The warmest month (with the highest average high temperature) is August (100°F).
The month with the lowest average high temperature is January (69.8°F).
- Average low temperature in July: 78.4°F
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure in July
San Isidro, TX
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in July
San Isidro, TX
- Average wind speed in July: 13.9mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is December (9.2mph).
Average humidity in July
San Isidro, TX
- Average humidity in July: 57%
The month with the highest relative humidity is December (65%).
The month with the lowest relative humidity is August (53%).
Average rainfall in July
San Isidro, TX
- Average rainfall in July: 1.54"
The wettest month (with the highest rainfall) is September (2.56").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in July
San Isidro, TX
- Average rainfall days in July: 7.3 days
The month with the highest number of rainy days is September (15.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall days in July
San Isidro, TX
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in July /
Average sunshine in July
San Isidro, TX
- Average daylight in July: 13h and 4min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in July: 11h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in July
San Isidro, TX
- Average sunshine days in July: 22.6 days
The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is September (12.9 days).
Average UV index in July
San Isidro, TX
- Average UV index in July: 8
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in July
San Isidro, TX
- Average cloud cover in July: 17
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in July
San Isidro, 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).
San Isidro, Texas, USA
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