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
Petersburg experiences its warmest period in June through August, averaging a high-temperature of 91.9°F (33.3°C).Heat index
For most parts of July, the heat index is estimated at a sweltering 96.8°F (36°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. 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 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In July, the average relative humidity is 47%.Rainfall
In July, in Petersburg, the rain falls for 11.6 days. Throughout July, 1.57" (40mm) of precipitation is accumulated. In Petersburg, during the entire year, the rain falls for 86.7 days and collects up to 14.21" (361mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in July is 14h and 9min.On the first day of July in Petersburg, sunrise is at 6:39 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:47 pm CDT.
Sunshine
In Petersburg, the average sunshine in July is 11.5h.UV index
The months with the highest UV index in Petersburg are May through July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 7 in July transforms into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the warmest month in Petersburg?
How hot is it in Petersburg in July?
What is the average humidity in July in Petersburg?
How much does it rain in Petersburg in July?
When it does not snow in Petersburg?
What is the average length of the day in July in Petersburg?
When is the sunrise / sunset in July in Petersburg?
How many hours of sunshine does Petersburg have in July?
When is the highest UV index in Petersburg?
What is the UV index reading in July in Petersburg?
Average temperature in July
Petersburg, TX
- Average high temperature in July: 91.9°F
The warmest months (with the highest average high temperature) are June, July and August (91.9°F).
The month with the lowest average high temperature is December (52.2°F).
- Average low temperature in July: 71.6°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in July
Petersburg, TX
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in July
Petersburg, TX
- Average wind speed in July: 9.8mph
The windiest month (with the highest average wind speed) is April (13.2mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in July
Petersburg, TX
- Average humidity in July: 47%
The month with the highest relative humidity is September (58%).
The month with the lowest relative humidity is April (39%).
Average rainfall in July
Petersburg, TX
- Average rainfall in July: 1.57"
The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in July
Petersburg, TX
- Average rainfall days in July: 11.6 days
The month with the highest number of rainy days is September (12.7 days).
The month with the least rainy days is November (3 days).
Average snowfall in July
Petersburg, TX
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Petersburg, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (2.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Petersburg, TX
- Average daylight in July: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in July: 11h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are November and December (Average sunshine: 6h and 54min).
Average sunshine days in July
Petersburg, TX
- Average sunshine days in July: 15.1 days
The month with the most sunshine days is January (27 days).
The month with the least sunshine days is September (14.9 days).
Average UV index in July
Petersburg, TX
- Average UV index in July: 7
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in July
Petersburg, TX
- Average cloud cover in July: 19
The month with the most cloud cover is September (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in July
Petersburg, 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).
Petersburg, Texas, USA
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