July weather forecast
Apex, NC

July in Apex, North Carolina radiates full-blown summer; high temperatures, clear skies, and elevated levels of Sunshine hours. The temperature ranges between a warm 70.9°F (21.6°C) and a sweltering 89.8°F (32.1°C), the latter marking the highest temperature all year. The city embraces a shift in weather as it transitions to August, anticipating similar conditions but with marginally cooler temps. As the season treads on, the prevalence of thunderstorms due to high heat and humidity is not uncommon. Citizens revel in the heat of July, taking full advantage of the extended sunlight.

Temperature

July is the month when Apex experiences its warmest temperatures, averaging a high of 89.8°F (32.1°C) and a low of 70.9°F (21.6°C).

Heat index

July's average heat index is evaluated at an extremely hot 105.8°F (41°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. 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. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

July is the least humid month, with an average relative humidity of 71%.

Rainfall

In Apex, in July, during 17.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 18min.
On the first day of July, sunrise is at 6:03 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:20 pm EDT.

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.