July weather forecast
Aiken, SC

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The natural formation of the oak canopies along the South Boundary Street in Aiken, South Carolina
The natural formation of the oak canopies along the South Boundary Street in Aiken, South Carolina

Weather in July

July is the apex of summer in Aiken, South Carolina. The length of days starts to reduce slightly, but temperatures remain high. Despite peaking in the previous month, the sunshine hours still remain significant. July's temperature pendulum swings from 73.6°F (23.1°C) to an impressive 91°F (32.8°C), making it the hottest month. The UV index also reaches its annual peak of 7 in July.

Temperature

The month of July, characterized by an average high of 91°F (32.8°C) and a low of 73.6°F (23.1°C), is recognized as the warmest.

Heat index

July's heat index is computed to be a blistering 109.4°F (43°C). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. 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 are extremely vital to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The months with the lowest humidity are July and November, with an average relative humidity of 70%.

Rainfall

In Aiken, South Carolina, during July, the rain falls for 17.4 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 147.8 rainfall days, and 28.31" (719mm) of precipitation is accumulated.

Snowfall

In Aiken, South Carolina, snow does not fall in April through November.

Daylight

In July, the average length of the day is 14h and 7min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:41 pm. On the last day of July, sunrise is at 6:39 am and sunset at 8:27 pm EDT.

Sunshine

The month with the most sunshine 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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 7 during July translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

In Aiken, the peak temperatures are generally noted in July, averaging a high of 91°F (32.8°C) and a low of 73.6°F (23.1°C).

How hot does it get in July?

In July, in Aiken, the average high-temperature is 91°F (32.8°C), and the average low-temperature is 73.6°F (23.1°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 109.4°F (43°C).

What is the least humid month?

July and November, with an average relative humidity of 70%, are the least humid months.

What is the average humidity in July?

In July, the average relative humidity is 70%.

How many days does it rain in July?

In Aiken, during July, the rain falls for 17.4 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Aiken have in July?

The average day length in July is 14h and 7min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 6:20 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:27 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.9h of sunshine.

How many hours of sunshine does Aiken have in July?

The average sunshine duration in July is 10.9h.

When is the highest UV index?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in July?

In Aiken, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Aiken, SC

Average temperature in July - Aiken, SC
  • Average high temperature in July: 91°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in July: 73.6°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in July
Aiken, SC

Average pressure in July - Aiken, SC
  • Average pressure in July: 30"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in July
Aiken, SC

Average wind speed in July - Aiken, SC
  • Average wind speed in July: 6mph

The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in July
Aiken, SC

Average humidity in July - Aiken, SC
  • Average humidity in July: 70%

The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (70%).

Average rainfall in July
Aiken, SC

Average rainfall in July - Aiken, SC
  • Average rainfall in July: 2.4"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in July
Aiken, SC

Average rainfall days in July - Aiken, SC
  • Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are October and November (7.7 days).

Average snowfall in July
Aiken, SC

Average snowfall in July - Aiken, SC
  • Average snowfall in July: 0"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July
Aiken, SC

Average snowfall days in July - Aiken, 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
Aiken, SC

Average daylight in July / Average sunshine in July - Aiken, SC
  • Average daylight in July: 14h and 1min

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 5min

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 24min).

Average sunshine days in July
Aiken, SC

Average sunshine days in July - Aiken, SC
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in July
Aiken, SC

Average UV index in July - Aiken, 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
Aiken, SC

Average cloud cover in July - Aiken, SC
  • Average cloud cover in July: 29

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in July
Aiken, SC

Average visibility in July - Aiken, 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).

Aiken, South Carolina, USA

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