May weather forecast
Arenápolis, Brazil

The last month of the autumn, May, is also a moderately hot month in Arenápolis, Brazil, with an average temperature fluctuating between 29.2°C (84.6°F) and 19.3°C (66.7°F).

Temperature

With the onset of May, Arenápolis's average high-temperature clocks in at a still warm 29.2°C (84.6°F), showing a minor fluctuation from the previous month. Throughout May, an average low-temperature of 19.3°C (66.7°F) is experienced in Arenápolis.

Heat index

In May, the heat index is appraised at a fiery hot 35°C (95°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. 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. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In May, the average relative humidity in Arenápolis, Brazil, is 78%.

Rainfall

In Arenápolis, during May, the rain falls for 11.3 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, there are 208 rainfall days, and 1253mm (49.33") of precipitation is accumulated.

Daylight

In Arenápolis, the average length of the day in May is 11h and 27min.
On the first day of the month, sunrise is at 05:57 and sunset at 17:31. On the last day of May, in Arenápolis, sunrise is at 06:05 and sunset at 17:25 -04.

Sunshine

The average sunshine in May in Arenápolis is 8.7h.

UV index

The months with the lowest UV index in Arenápolis are January through June, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during May translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.