July weather forecastSunnyvale, TX
July
Weather in July
July, the same as June, in Sunnyvale, Texas, is a hot summer month, with an average temperature varying between 75.7°F (24.3°C) and 94.6°F (34.8°C).Temperature
As June transitions into July, the average high-temperature rests at a still tropical 94.6°F (34.8°C), maintaining a close resemblance to the previous month. Sunnyvale, in July, observes a steady average low-temperature of 75.7°F (24.3°C).Heat index
In July, the heat index is appraised at a burning hot 114.8°F (46°C). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.The heat index's values are generally associated with conditions in shade and light breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In Sunnyvale, the average relative humidity in July is 63%.Rainfall
In Sunnyvale, in July, it is raining for 13.1 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 149.6 rainfall days, and 33.35" (847mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In July, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:38 pm. On the last day of July, sunrise is at 6:39 am and sunset at 8:25 pm CDT.
Sunshine
In July, the average sunshine is 10.9h.UV index
June 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 threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 7 during July translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Sunnyvale, TX
- Average high temperature in July: 94.6°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in July: 75.7°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in July
Sunnyvale, TX
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Sunnyvale, TX
- Average wind speed in July: 7.2mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in July
Sunnyvale, TX
- Average humidity in July: 63%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in July
Sunnyvale, TX
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is October (4.29").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in July
Sunnyvale, TX
- Average rainfall days in July: 13.1 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in July
Sunnyvale, TX
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in July
Sunnyvale, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Sunnyvale, TX
- Average daylight in July: 14h and 6min
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: 10h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in July
Sunnyvale, TX
- Average sunshine days in July: 16.6 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is September (13 days).
Average UV index in July
Sunnyvale, TX
- Average UV index in July: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in July
Sunnyvale, TX
- Average cloud cover in July: 23
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in July
Sunnyvale, 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).
