July weather forecastWilsonville, SC
July
Weather in July
July, like June, is another tropical summer month in Wilsonville, South Carolina, with an average temperature varying between 75.7°F (24.3°C) and 90.5°F (32.5°C).Temperature
With average high temperatures of 90.5°F (32.5°C) and lows of 75.7°F (24.3°C), July is the warmest month.Heat index
For July, the heat index is evaluated at an extremely hot 111.2°F (44°C). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing 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. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
The average relative humidity in July is 74%.Rainfall
In Wilsonville, in July, it is raining for 22.3 days, with typically 4.09" (104mm) of accumulated precipitation. In Wilsonville, during the entire year, the rain falls for 172.6 days and collects up to 39.13" (994mm) of precipitation.Snowfall
In Wilsonville, snow does not fall in March through November.Daylight
In Wilsonville, the average length of the day in July is 14h and 4min.On the first day of July, sunrise is at 6:15 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:19 pm EDT.
Sunshine
The month with the most sunshine in Wilsonville, South Carolina, is July, with an average of 10.9h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Wilsonville, SC
- Average high temperature in July: 90.5°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in July: 75.7°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in July
Wilsonville, SC
- Average pressure in July: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in July
Wilsonville, SC
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in July
Wilsonville, SC
- Average humidity in July: 74%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in July
Wilsonville, SC
- Average rainfall in July: 4.09"
The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in July
Wilsonville, SC
- Average rainfall days in July: 22.3 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in July
Wilsonville, SC
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Wilsonville, SC
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Wilsonville, SC
- 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 July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in July
Wilsonville, SC
- Average sunshine days in July: 6.6 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in July
Wilsonville, SC
- Average UV index in July: 7
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in July
Wilsonville, SC
- Average cloud cover in July: 27
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in July
Wilsonville, SC
- 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).





