May weather forecast
Starr, FL

The last month of the spring, May, is a hot month in Starr, Florida, with an average temperature varying between 65.8°F (18.8°C) and 86.4°F (30.2°C).

Temperature

The arrival of May witnesses a small shift in the average high-temperature, moving from a warm 80.2°F (26.8°C) in April to a hot 86.4°F (30.2°C). Throughout May, the average low-temperature records at a comfortable 65.8°F (18.8°C).

Heat index

The heat index for May is calculated to be a torrid 96.8°F (36°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

May is the least humid month, with an average relative humidity of 70%.

Rainfall

In May, the rain falls for 13.6 days. Throughout May, 2.4" (61mm) of precipitation is accumulated. In Starr, during the entire year, the rain falls for 173.6 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in May is 13h and 41min.
On the first day of May, sunrise is at 6:48 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:29 pm EDT.

Sunshine

In Starr, the average sunshine in May is 10.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 7 in May leads to these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.