May weather forecastMarabá, Brazil

Weather in May

The last month of the autumn, May, is another tropical month in Marabá, Brazil, with an average temperature ranging between min 21.5°C (70.7°F) and max 31.6°C (88.9°F).

Temperature

Marabá's May reports an average high-temperature of a still tropical 31.6°C (88.9°F), exhibiting a minor difference from April. An average low-temperature of 21.5°C (70.7°F) is observed in Marabá, Brazil, during the May nights.

Heat index

The heat index for May is calculated to be an extremely hot 44°C (111.2°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.
Know that the heat index computations account for shaded terrains and slight winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. 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. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Marabá, the average relative humidity in May is 83%.

Rainfall

In May, in Marabá, the rain falls for 24.2 days. Throughout May, 124mm (4.88") of precipitation is accumulated. Throughout the year, in Marabá, there are 250.8 rainfall days, and 1478mm (58.19") of precipitation is accumulated.

Daylight

In May, the average length of the day in Marabá is 11h and 52min.
On the first day of the month, sunrise is at 06:15 and sunset at 18:11. On the last day of May, sunrise is at 06:19 and sunset at 18:09 -03.

Sunshine

In May, the average sunshine in Marabá is 8.1h.

UV index

The months with the highest UV index are May through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.