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
In Petersburg, the average temperatures in July are the highest, with a peak at 87.4°F (30.8°C) and a low of 68.4°F (20.2°C).Heat index
In July, the average heat index is appraised at a sweltering 102.2°F (39°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In July, the average relative humidity is 77%.Rainfall
In Petersburg, during July, the rain falls for 19.8 days and regularly aggregates up to 4.09" (104mm) of precipitation. Throughout the year, there are 173.6 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.Snowfall
In Petersburg, snow does not fall in May through October.Daylight
The average length of the day in July is 14h and 16min.On the first day of July, sunrise is at 5:35 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:50 pm CDT.
Sunshine
In Petersburg, the average sunshine in July is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 in July translates into these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot is it in Petersburg in July?
What is the average humidity in July?
How much does it rain in July?
When it does not snow?
What is the average length of the day in July in Petersburg?
When is the sunrise / sunset in July?
How many hours of sunshine does Petersburg have in July?
When is the highest UV index?
What is the UV index reading in July?
Average temperature in July
Petersburg, TN
- Average high temperature in July: 87.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in July: 68.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in July
Petersburg, TN
- Average pressure in July: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in July
Petersburg, TN
- Average wind speed in July: 4.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in July
Petersburg, TN
- Average humidity in July: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in July
Petersburg, TN
- Average rainfall in July: 4.09"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in July
Petersburg, TN
- Average rainfall days in July: 19.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in July
Petersburg, TN
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Petersburg, TN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.6 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
Petersburg, TN
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in July
Petersburg, TN
- Average sunshine days in July: 9.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in July
Petersburg, TN
- Average UV index in July: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in July
Petersburg, TN
- Average cloud cover in July: 34
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in July
Petersburg, TN
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Petersburg, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location