May weather forecast
Fort Myers, FL

In May, Fort Myers makes a remarkable leap into the wet season with rainfall levels jumping to an annual high of 2.24" (57mm). Even with the more frequent showers, the temperature remains agreeable, offering warm days and nights. The sea temperature follows suit, rising favorably, making beach visits enjoyable. It remains a getaway city promising sun-drenched hours, despite the growing humidity levels. The ample sunshine and gusty winds underline May's characteristic weather pattern in Fort Myers.

Temperature

With the advent of May, Fort Myers experiences an average high-temperature of a still moderately hot 85.6°F (29.8°C), mirroring a close resemblance to the previous month. During May, Fort Myers sees a mean low-temperature of 72.5°F (22.5°C).

Heat index

Throughout May, the heat index is calculated to be a fiery hot 95°F (35°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. 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', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Fort Myers, the average relative humidity in May is 72%.

Rainfall

In Fort Myers, in May, it is raining for 14.8 days, with typically 2.24" (57mm) of accumulated precipitation. In Fort Myers, during the entire year, the rain falls for 159.2 days and collects up to 23.54" (598mm) of precipitation.

Ocean temperature

In May, the average ocean temperature is 78.8°F (26°C).
Note: Water temperatures in the range of 77°F (25°C) to 84.2°F (29°C) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

The average length of the day in May is 13h and 28min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:00 pm. On the last day of May, sunrise is at 6:34 am and sunset at 8:16 pm EDT.

Sunshine

May and July, with an average of 11h of sunshine, are months with the most sunshine.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! Sand and water reflections boost the intensity of UV exposure.