July weather forecast
Fort Mill, SC

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Weather in July

The heat of summer in Fort Mill, South Carolina, peaks during July. The average high temperature climbs to its zenith at 91°F (32.8°C) while the average low temperature also maxes out at 70.7°F (21.5°C). With respect to rainfall, there are approximately 17.8 days with substantial rainfall, slightly dampening the outdoor enthusiasm. Nevertheless, outdoor life continues to be vibrant, further abetted by the longest sunlight duration of 10.7 hours. Protective gear against the sun becomes essential as UV indexes experience a jump to their highest value of 7.

Temperature

The month of July, characterized by an average high of 91°F (32.8°C) and a low of 70.7°F (21.5°C), is recognized as the warmest.

Heat index

The average heat index in July is computed to be a blisteringly hot 107.6°F (42°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The least humid month is July, with an average relative humidity of 69%.

Rainfall

In Fort Mill, during July, the rain falls for 17.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Fort Mill, there are 146.1 rainfall days, and 28.94" (735mm) of precipitation is accumulated.

Snowfall

In Fort Mill, snow does not fall in April through November.

Daylight

In July, the average length of the day is 14h and 14min.
On the first day of July, sunrise is at 6:13 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:27 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

In Fort Mill, the peak average temperatures are observed in July, with a high of 91°F (32.8°C) and a low of 70.7°F (21.5°C).

How hot is it in Fort Mill in July?

During July, Fort Mill experiences an average high-temperature of 91°F (32.8°C) and a low-temperature of 70.7°F (21.5°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 107.6°F (42°C).

What is the least humid month?

With an average relative humidity of 69%, July is the least humid month.

What is the average humidity in July?

In July, the average relative humidity is 69%.

How much does it rain in July?

In July, the rain falls for 17.8 days. Throughout July, 2.4" (61mm) of precipitation is accumulated.

When it does not snow?

April through November are months without snowfall in Fort Mill, South Carolina.

How many hours of daylight does Fort Mill have in July?

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

When is the sunrise / sunset in July in Fort Mill?

On the first day of July, sunrise is at 6:13 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:27 pm EDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

How long on average sun shines in July?

In Fort Mill, the average sunshine duration in July is 10.7h.

When is the highest UV index in Fort Mill?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Fort Mill, SC

Average temperature in July - Fort Mill, 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 (49.6°F).

  • Average low temperature in July: 70.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in July
Fort Mill, SC

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

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in July
Fort Mill, SC

Average wind speed in July - Fort Mill, SC
  • Average wind speed in July: 5.1mph

The windiest months (with the highest average wind speed) are February and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in July
Fort Mill, SC

Average humidity in July - Fort Mill, SC
  • Average humidity in July: 69%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (69%).

Average rainfall in July
Fort Mill, SC

Average rainfall in July - Fort Mill, SC
  • Average rainfall in July: 2.4"

The wettest month (with the highest rainfall) is August (3.23").
The driest months (with the least rainfall) are September and October (1.81").

Average rainfall days in July
Fort Mill, SC

Average rainfall days in July - Fort Mill, SC
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in July
Fort Mill, SC

Average snowfall in July - Fort Mill, SC
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July
Fort Mill, SC

Average snowfall days in July - Fort Mill, SC
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (1.4 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
Fort Mill, SC

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

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in July
Fort Mill, SC

Average sunshine days in July - Fort Mill, SC
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in July
Fort Mill, SC

Average UV index in July - Fort Mill, SC
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in July
Fort Mill, SC

Average cloud cover in July - Fort Mill, SC
  • Average cloud cover in July: 32

The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in July
Fort Mill, SC

Average visibility in July - Fort Mill, 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).

Fort Mill, South Carolina, USA

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