July weather forecast
Chapel Hill, NC

July stands as the warmest month in Chapel Hill, with temperatures occasionally reaching a sweltering 90.3°F (32.4°C). The city's residents adapt to this peak summer heat coupled with high humidity levels by partaking in various cooling activities. The longer daylight durations, reaching an average of 14.3 hours, provide ample opportunity for outdoor plans. Despite the hot temps, summer rain showers punctuate the month, often providing a much-needed respite from the heat. Amidst all, July remains vibrant and active with its characteristic summer energy.

Temperature

The month of July sees the highest average temperatures in Chapel Hill, North Carolina, reaching 90.3°F (32.4°C) at the peak and 69.4°F (20.8°C) at the low.

Heat index

July's mean heat index is computed to be a scorching 107.6°F (42°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

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

Rainfall

In Chapel Hill, North Carolina, during July, the rain falls for 15.1 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Chapel Hill, North Carolina, during the entire year, the rain falls for 130 days and collects up to 14.21" (361mm) of precipitation.

Snowfall

In Chapel Hill, snow does not fall in April through October.

Daylight

In July, the average length of the day in Chapel Hill is 14h and 19min.
On the first day of July in Chapel Hill, sunrise is at 6:03 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:21 pm EDT.

Sunshine

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

UV index

With an average maximum UV index of 7, July is the month with the highest UV index in Chapel Hill. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 7 during July translates into the following guidance:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.