May weather forecast
Roy, FL

May, the last month of the spring in Roy, is a tropical month, with temperature in the range of an average high of 86.4°F (30.2°C) and an average low of 67.3°F (19.6°C).

Temperature

Roy experiences an average high-temperature of a tropical 86.4°F (30.2°C) in May, subtly different from April's 81.7°F (27.6°C). An average low-temperature of 67.3°F (19.6°C) marks the nights in Roy throughout May.

Heat index

During May, the heat index is appraised at a torrid 96.8°F (36°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In May, the average relative humidity is 72%.

Rainfall

In Roy, Florida, during May, the rain falls for 10.7 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Roy, there are 138.3 rainfall days, and 12.76" (324mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Roy.

Daylight

In May, the average length of the day is 13h and 39min.
On the first day of the month, sunrise is at 6:42 am and sunset at 8:03 pm. On the last day of May, in Roy, sunrise is at 6:26 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May in Roy is 10.6h.

UV index

The months with the highest UV index in Roy are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in May interprets into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.