July weather forecast
Rock Hill, SC

July, being the heart of summer in Rock Hill, dominates as the hottest month of the year. This month is characterized by high temperatures with an average peak of 91.2°F (32.9°C). Despite the heat, residents can leverage the extended daylight hours of 14.2 hours on average to cool off in the late hours of the day. The propensity for summer storms is also high in July with an increased rainfall capacity noted at 2.68" (68mm). July also sees the city experiencing the lowest wind speeds of the year, averaging about 5 MPH.

Temperature

July stands out as Rock Hill's warmest month, with temperatures ranging between an average high of 91.2°F (32.9°C) and a low of 70.7°F (21.5°C).

Heat index

For July, the heat index is computed to be a blistering 109.4°F (43°C). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

July is the least humid month in Rock Hill, with an average relative humidity of 69%.

Rainfall

In July, the rain falls for 18.1 days. Throughout July, 2.68" (68mm) of precipitation is accumulated. In Rock Hill, during the entire year, the rain falls for 159 days and collects up to 32.76" (832mm) of precipitation.

Snowfall

April through November are months without snowfall in Rock Hill.

Daylight

In Rock Hill, the average length of the day in July is 14h and 14min.
On the first day of July, sunrise is at 6:14 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

The month with the most sunshine in Rock Hill, South Carolina, is July, with an average of 10.7h of sunshine.

UV index

The month with the highest UV index in Rock Hill is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.