May weather forecastAtalaia do Norte, Brazil

Weather in May

May, the last month of the autumn in Atalaia do Norte, is another tropical month, with temperature in the range of an average high of 30°C (86°F) and an average low of 21.9°C (71.4°F).

Temperature

The beginning of May reveals an average high-temperature of a still hot 30°C (86°F), showing minimal deviation from the previous month. During May, Atalaia do Norte experiences a consistent low-temperature average of 21.9°C (71.4°F).

Heat index

The heat index value for May is appraised at a blistering 40°C (104°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 of high significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In May, the average relative humidity in Atalaia do Norte is 89%.

Rainfall

In May, the rain falls for 27.5 days. Throughout May, 136mm (5.35") of precipitation is accumulated. In Atalaia do Norte, during the entire year, the rain falls for 306.6 days and collects up to 1736mm (68.35") of precipitation.

Daylight

In May, the average length of the day in Atalaia do Norte, Brazil, is 11h and 55min.
On the first day of the month, sunrise is at 06:39 and sunset at 18:36. On the last day of May, in Atalaia do Norte, Brazil, sunrise is at 06:42 and sunset at 18:35 -04.

Sunshine

The average sunshine in May in Atalaia do Norte is 6.2h.

UV index

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.