July weather forecast
Oak Island, NC

As July steps in, Oak Island experiences the highest temperatures of the year ranging from 77.4°F (25.2°C) to 85.6°F (29.8°C). Though temperatures slowly descend from this peak in the following months, the effect of direct sunlight on the human body remains the same due to consistency of the UV index at 7. This period marks the advent of the rainy season with the quantity of rainfall at an annual high of 3.7" (94mm). Despite the copious rainfall, the island's delights aren't dampened as tourists continue to step out, protected by their raincoats and umbrellas. A joint effect of the temperature and rainfall results in increased humidity which can require frequent hydration and cooling off periods, particularly for the unused.

Temperature

July and August are known as Oak Island's warmest months, with an average high-temperature of 85.6°F (29.8°C).

Heat index

For most parts of July, the heat index is appraised at a very hot 96.8°F (36°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in July in Oak Island is 77%.

Rainfall

In Oak Island, in July, it is raining for 18.4 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, in Oak Island, there are 157.9 rainfall days, and 24.69" (627mm) of precipitation is accumulated.

Snowfall

In Oak Island, snow does not fall in February through December.

Ocean temperature

In Oak Island, in July, the average water temperature is 81.9°F (27.7°C).
Note: A water temperature from 77°F (25°C) to 84.2°F (29°C) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

The average length of the day in July is 14h and 9min.
On the first day of July, sunrise is at 6:05 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:13 pm EDT.

Sunshine

June and July, with an average of 10.8h of sunshine, are months with the most sunshine.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 in July translates into these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be wary! Reflections from sand and water make UV radiation more intense.