May weather forecastItabaiana, Brazil

Weather in May

May, the last month of the autumn in Itabaiana, is also a moderately hot month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 21.1°C (70°F).

Temperature

Itabaiana marks the onset of May with an average high-temperature of a moderately hot 29.3°C (84.7°F), a subtle shift from April's 31.3°C (88.3°F). During May, the nighttime temperature in Itabaiana averages to an agreeable 21.1°C (70°F).

Heat index

During May, the heat index is evaluated at a sweltering 36°C (96.8°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. 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 83%.

Rainfall

In May, the rain falls for 18.6 days. Throughout May, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 183.6 rainfall days, and 371mm (14.61") of precipitation is accumulated.

Daylight

In Itabaiana, Brazil, the average length of the day in May is 11h and 38min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:18. On the last day of May, sunrise is at 05:41 and sunset at 17:13 -03.

Sunshine

The month with the least sunshine is May, with an average of 6h of sunshine.

UV index

The months with the lowest UV index are April through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.