May weather forecast
Pirapemas, Brazil

The last month of the autumn, May, is another warm month in Pirapemas, Brazil, with temperature in the range of an average low of 22.6°C (72.7°F) and an average high of 29.8°C (85.6°F).

Temperature

Pirapemas's lowest average temperatures are recorded in April and May, reaching a high of 29.8°C (85.6°F).

Heat index

The heat index for May is calculated to be a scorching 40°C (104°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In May, the average relative humidity is 90%.

Rainfall

In Pirapemas, in May, it is raining for 23.8 days, with typically 88mm (3.46") of accumulated precipitation. Throughout the year, in Pirapemas, there are 258.8 rainfall days, and 1055mm (41.54") of precipitation is accumulated.

Daylight

In May, the average length of the day is 11h and 57min.
On the first day of May, sunrise is at 05:54 and sunset at 17:53. On the last day of the month, sunrise is at 05:57 and sunset at 17:52 -03.

Sunshine

April and May, with an average of 5.8h of sunshine, are months with the least sunshine in Pirapemas.

UV index

The months with the highest UV index in Pirapemas are May, July through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.