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 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
As July takes hold, the average high-temperature is a still fiery hot 96.4°F (35.8°C), nearly mirroring that of the previous month. During July, Sylvester witnesses a consistent average low-temperature of 76.6°F (24.8°C).Heat index
The average heat index in July is computed to be an extremely hot 105.8°F (41°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In July, the average relative humidity in Sylvester is 46%.Rainfall
In Sylvester, in July, during 9.6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 87.8 rainfall days, and 14.92" (379mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Sylvester, Texas.Daylight
In July, the average length of the day is 14h and 4min.On the first day of July, sunrise is at 6:37 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:39 pm CDT.
Sunshine
With an average of 11.5h of sunshine, July has the most sunshine of the year.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index in Sylvester. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 7 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Sylvester in July?
What is the average humidity in July in Sylvester?
How much does it rain in Sylvester in July?
When it does not snow in Sylvester?
How many hours of daylight does Sylvester have in July?
When is the sunrise / sunset in July in Sylvester?
What month has the most sunshine in Sylvester?
How long on average sun shines in July in Sylvester?
When is the highest UV index in Sylvester?
What is the UV index reading in July in Sylvester?
Average temperature in July
Sylvester, TX
- Average high temperature in July: 96.4°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in July: 76.6°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in July
Sylvester, TX
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Sylvester, TX
- Average wind speed in July: 10.7mph
The windiest month (with the highest average wind speed) is April (13.8mph).
The calmest month (with the lowest average wind speed) is September (9.9mph).
Average humidity in July
Sylvester, TX
- Average humidity in July: 46%
The months with the highest relative humidity are September and December (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall in July
Sylvester, TX
- Average rainfall in July: 1.22"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in July
Sylvester, TX
- Average rainfall days in July: 9.6 days
The month with the highest number of rainy days is September (11.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in July
Sylvester, TX
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Sylvester, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Sylvester, TX
- Average daylight in July: 14h and 1min
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: 11h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in July
Sylvester, TX
- Average sunshine days in July: 19.2 days
The month with the most sunshine days is January (26.7 days).
The month with the least sunshine days is September (16.1 days).
Average UV index in July
Sylvester, 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
Sylvester, TX
- Average cloud cover in July: 19
The months with the most cloud cover are March, September and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in July
Sylvester, 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).
Sylvester, Texas, USA
Weather forecast for your location
2. Allow the app to use your location