May weather forecast
Sydney, FL

The last month of the spring, May, is a hot month in Sydney, Florida, with an average temperature varying between 69.4°F (20.8°C) and 86.5°F (30.3°C).

Temperature

Sydney's May showcases an average high-temperature of a hot 86.5°F (30.3°C), hardly distinct from April's 82.6°F (28.1°C). May nights experience a consistent temperature drop to an agreeable 69.4°F (20.8°C).

Heat index

For May, the heat index is calculated to be a torrid 96.8°F (36°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The months with the lowest humidity are March and May, with an average relative humidity of 71%.

Rainfall

In Sydney, during May, the rain falls for 16.5 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 192.2 rainfall days, and 37.91" (963mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 32min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:03 pm. On the last day of May, sunrise is at 6:32 am and sunset at 8:20 pm EDT.

Sunshine

The month with the most sunshine is May, with an average of 10.8h of sunshine.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.