July weather forecastGreenville, SC
July
Weather in July
Greenville, South Carolina experiences its peak summer climate in July. Reaching a high of 90.1°F (32.3°C), it stands as the hottest month of the year. Compared to June, both temperature and humidity rise, leading to an intensely warm period. The days may be hot, but Greenville's summer nights are known for its soothing breeze. Rainy days are typically followed by clear skies and sunlight.Temperature
With an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 68.5°F (20.3°C), July is the warmest month in Greenville.Heat index
For July, the heat index is calculated to be a blisteringly hot 105.8°F (41°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
With an average relative humidity of 69%, July is the least humid month.Rainfall
In Greenville, South Carolina, during July, the rain falls for 18 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
In Greenville, snow does not fall in April through October.Daylight
In July, the average length of the day in Greenville is 14h and 14min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:47 pm. On the last day of July, sunrise is at 6:39 am and sunset at 8:32 pm EDT.
Sunshine
With an average of 11.1h of sunshine, July has the most sunshine of the year in Greenville.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Greenville. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Greenville, SC
- Average high temperature in July: 90.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in July: 68.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in July
Greenville, SC
- Average pressure in July: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in July
Greenville, SC
- Average wind speed in July: 4.6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in July
Greenville, SC
- Average humidity in July: 69%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in July
Greenville, SC
- Average rainfall in July: 2.6"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in July
Greenville, SC
- Average rainfall days in July: 18 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is October (9.4 days).
Average snowfall in July
Greenville, SC
- Average snowfall in July: 0"
The month with the highest snowfall is December (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Greenville, SC
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Greenville, SC
- Average daylight in July: 14h and 12min
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 54min).
- Average sunshine in July: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in July
Greenville, SC
- Average sunshine days in July: 10.2 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in July
Greenville, SC
- Average UV index in July: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in July
Greenville, SC
- Average cloud cover in July: 27
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in July
Greenville, 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).
