May weather forecast
Marcelino Vieira, Brazil

The last month of the autumn, May, is another hot month in Marcelino Vieira, Brazil, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 20.1°C (68.2°F).

Temperature

Marcelino Vieira's May reports an average high-temperature of a still tropical 30.7°C (87.3°F), exhibiting a minor difference from April. In May, the recorded average low-temperature is an agreeable 20.1°C (68.2°F).

Heat index

The average heat index in May is estimated at a very hot 38°C (100.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

April and May, with an average relative humidity of 73%, are the most humid months.

Rainfall

In Marcelino Vieira, Brazil, in May, during 18.5 rainfall days, 67mm (2.64") of precipitation is typically accumulated. In Marcelino Vieira, Brazil, during the entire year, the rain falls for 161.9 days and collects up to 582mm (22.91") of precipitation.

Daylight

In May, the average length of the day in Marcelino Vieira is 11h and 50min.
On the first day of the month, sunrise is at 05:33 and sunset at 17:26. On the last day of May, in Marcelino Vieira, sunrise is at 05:37 and sunset at 17:23 -03.

Sunshine

The average sunshine in May in Marcelino Vieira is 8.4h.

UV index

The months with the lowest UV index in Marcelino Vieira are April through July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 6 in May transforms into this advice:
Take precautions against overexposure. Protection against sun damage is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.