May weather forecast
Fort Myers Beach, FL

May marks a significant jump in rainfall in Fort Myers Beach, with the average rainfall shooting up to 3.43" (87mm). Additionally, the city starts experiencing the harsh Florida sun as reflected by the hike in temperatures. The high temperature, coupled with prolonged daylight hours, contributes to an increase in the average sea temperature, often alluring beach-goers and swimming enthusiasts. However, the humidity remains somewhat steady, providing some respite from the heat. As the month approaches its end, there's an anticipation of the approaching rainy season.

Temperature

Fort Myers Beach's May showcases an average high-temperature of a still warm 82.9°F (28.3°C), hardly distinct from April's 79.5°F (26.4°C). May nights reveal a minor deviation from daytime highs, with a mean low-temperature of 74.3°F (23.5°C).

Heat index

In May, the average heat index is calculated to be a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

March, May, July, August and October, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Fort Myers Beach, in May, during 16.6 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, in Fort Myers Beach, there are 190.9 rainfall days, and 41.73" (1060mm) of precipitation is accumulated.

Ocean temperature

In Fort Myers Beach, the average seawater temperature in May is 80.1°F (26.7°C).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 77°F (25°C) to 84.2°F (29°C) is very pleasurable for extended periods, without any discomfort.

Daylight

In Fort Myers Beach, the average length of the day in May is 13h and 27min.
On the first day of the month, sunrise is at 6:49 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

With an average of 11h of sunshine, May has the most sunshine of the year.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Fort Myers Beach, Florida. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.