July weather forecast
Naples, FL

July is the peak of the summer season in Naples with temperatures climbing to their maximum averages. High relative humidity of 73% dominates the weather scene, coupled with the highest average sea temperature of 85.6°F (29.8°C). However, daylight hours exhibit a slight dip from June, marking the commencement of gradually shorter days. Despite the oppressive temperatures, life in Naples continues vibrantly, thanks to its coastal terrain and refreshing sea breezes.

Temperature

Naples, Florida, registers an average high-temperature of a still hot 87.4°F (30.8°C) with the arrival of July, showing minor deviation from the preceding month. Naples encounters a small divergence from daytime high temperatures, averaging a low-temperature of 79.7°F (26.5°C) during July nights.

Heat index

For most parts of July, the heat index is appraised at a very hot 100.4°F (38°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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 innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In July, the average relative humidity is 73%.

Rainfall

In Naples, during July, the rain falls for 20 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, in Naples, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Ocean temperature

In July, the average ocean temperature is 85.6°F (29.8°C).
Note: For swimming, diving, or other water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In July, the average length of the day in Naples is 13h and 35min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:23 pm. On the last day of July, in Naples, sunrise is at 6:52 am and sunset at 8:14 pm EDT.

Sunshine

May and July, with an average of 11.1h of sunshine, are months with the most sunshine in Naples.

UV index

May through September, 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 hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in July transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.