May weather forecast
Naples, FL

The arrival of May in Naples marks the beginning of the pre-summer phase with hot and humid conditions. The days grow longer providing sizeable daylight hours for outdoor exploration. This month records the most drastic increase in rainfall, reaching a significant 2.09" (53mm). The bright, sunny days are further amplified by the continually warming sea water. The inherent humidity and rainfall in May make it a notable time for witnessing Florida's tropical climate.

Temperature

The transition from April to May sees an average high-temperature of a still moderately hot 84.4°F (29.1°C), indicating a minor variance from the prior month. Naples, in the month of May, anticipates a consistent average low-temperature of 74.1°F (23.4°C).

Heat index

For May, the heat index is appraised at a tropical 93.2°F (34°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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.

Humidity

In Naples, the average relative humidity in May is 73%.

Rainfall

In Naples, during May, the rain falls for 15.3 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Naples, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.

Ocean temperature

In Naples, the average seawater temperature in May is 80.1°F (26.7°C).
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In May, the average length of the day in Naples is 13h and 26min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:59 pm. On the last day of May, in Naples, sunrise is at 6:34 am and sunset at 8:15 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The Sun's UV rays become stronger due to reflections from water and sand.