May weather forecast
Polk City, FL

May, the last month of the spring in Polk City, is a tropical month, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 86.4°F (30.2°C).

Temperature

Polk City ushers in May with an average high-temperature of a tropical 86.4°F (30.2°C), showing a close resemblance to the previous month. In May, the average low-temperature is a pleasant 68.5°F (20.3°C).

Heat index

Throughout May, the heat index is evaluated at a very hot 96.8°F (36°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in May is 73%.

Rainfall

In Polk City, in May, during 17.1 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. In Polk City, during the entire year, the rain falls for 197.3 days and collects up to 38.74" (984mm) of precipitation.

Daylight

The average length of the day in May is 13h and 34min.
On the first day of May in Polk City, sunrise is at 6:46 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:19 pm EDT.

Sunshine

In Polk City, the average sunshine in May is 10.6h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Polk City. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 7 in May transforms into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.