July weather forecastWilliams, SC
July
Weather in July
July, like June, is another hot summer month in Williams, South Carolina, with an average temperature fluctuating between 73.4°F (23°C) and 91.8°F (33.2°C).Temperature
Temperature records mark July as the warmest month, with highs averaging 91.8°F (33.2°C) and lows at 73.4°F (23°C).Heat index
During July, the heat index is estimated at a burning hot 114.8°F (46°C). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.Heat index determinations are made taking into account the shade and light air movements. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In July, the average relative humidity is 74%.Rainfall
In July, the rain falls for 21.1 days. Throughout July, 2.36" (60mm) of precipitation is accumulated. In Williams, South Carolina, during the entire year, the rain falls for 149.7 days and collects up to 21.5" (546mm) of precipitation.Snowfall
In Williams, snow does not fall in March through December.Daylight
The average length of the day in July is 14h and 5min.On the first day of July, sunrise is at 6:18 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:22 pm EDT.
Sunshine
July has the most sunshine of the year in Williams, South Carolina, with an average of 10.9h of sunshine.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 7 during July leads to these instructions:
Deter overexposure. Protecting against the sun's effects is essential. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Williams, SC
- Average high temperature in July: 91.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in July: 73.4°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in July
Williams, SC
- Average pressure in July: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in July
Williams, SC
- Average wind speed in July: 5.3mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in July
Williams, SC
- Average humidity in July: 74%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, March and November (72%).
Average rainfall in July
Williams, SC
- Average rainfall in July: 2.36"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days in July
Williams, SC
- Average rainfall days in July: 21.1 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (6.2 days).
Average snowfall in July
Williams, SC
- Average snowfall in July: 0"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in July
Williams, SC
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.4 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
Williams, 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 30min).
Average sunshine days in July
Williams, SC
- Average sunshine days in July: 6.9 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in July
Williams, SC
- 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
Williams, SC
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).
Average visibility in July
Williams, SC
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
