May weather forecast
South Tampa, FL

The last month of the spring, May, is a tropical month in South Tampa, Florida, with an average temperature fluctuating between 70.2°F (21.2°C) and 86.5°F (30.3°C).

Temperature

May's weather records an average high-temperature of a hot 86.5°F (30.3°C), showing little deviation from April. During May, the average low-temperature in South Tampa, Florida, is a pleasant 70.2°F (21.2°C).

Heat index

In May, the heat index is estimated at a fiery hot 96.8°F (36°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The months with the lowest humidity in South Tampa are March and May, with an average relative humidity of 70%.

Rainfall

In South Tampa, Florida, in May, it is raining for 15.2 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, in South Tampa, there are 160.9 rainfall days, and 16.77" (426mm) of precipitation is accumulated.

Daylight

In May, the average length of the day in South Tampa, Florida, is 13h and 32min.
On the first day of May in South Tampa, sunrise is at 6:49 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:21 pm EDT.

Sunshine

May has the most sunshine of the year, with an average of 10.9h of sunshine.

UV index

The months with the highest UV index in South Tampa are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 7 during May leads to these advisories:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.