May weather forecast
Luís Domingues, Brazil

May, the last month of the autumn in Luís Domingues, 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 25.3°C (77.5°F).

Temperature

Luís Domingues, Brazil, marks the onset of May with an average high-temperature of a still warm 29.3°C (84.7°F), subtly divergent from April's 28.9°C (84°F). In Luís Domingues, May is characterized by an average low-temperature of 25.3°C (77.5°F), indicating a minor drop from daytime highs.

Heat index

For most parts of May, the heat index is evaluated at a sweltering 36°C (96.8°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in May is 83%.

Rainfall

In Luís Domingues, in May, during 27.7 rainfall days, 203mm (7.99") of precipitation is typically accumulated. In Luís Domingues, during the entire year, the rain falls for 270.2 days and collects up to 1756mm (69.13") of precipitation.

Daylight

In Luís Domingues, the average length of the day in May is 12h and 4min.
On the first day of the month, sunrise is at 05:58 and sunset at 18:02. On the last day of May, in Luís Domingues, sunrise is at 05:59 and sunset at 18:02 -03.

Sunshine

With an average of 9.3h of sunshine, May has the most sunshine of the year.

UV index

January through March, May through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in May transforms into this advice:
Shun overexposure. Protection from sun ravages is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.