May weather forecast
Japaratuba, Brazil

The last month of the autumn, May, is another warm month in Japaratuba, Brazil, with an average temperature fluctuating between 23.3°C (73.9°F) and 29.3°C (84.7°F).

Temperature

The arrival of May brings an average high-temperature of a moderately hot 29.3°C (84.7°F), nearly identical to April's 30.5°C (86.9°F). During the month of May, the temperature falls to an average of 23.3°C (73.9°F).

Heat index

During May, the heat index is calculated to be a sweltering 36°C (96.8°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant 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 natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in May is 80%.

Rainfall

In May, the rain falls for 20.4 days. Throughout May, 86mm (3.39") of precipitation is accumulated. In Japaratuba, Brazil, during the entire year, the rain falls for 211.1 days and collects up to 584mm (22.99") of precipitation.

Daylight

The average length of the day in May in Japaratuba is 11h and 38min.
On the first day of May, sunrise is at 05:32 and sunset at 17:16. On the last day of the month, sunrise is at 05:39 and sunset at 17:11 -03.

Sunshine

The months with the least sunshine in Japaratuba are May, July and October, with an average of 7.4h of sunshine.

UV index

The months with the lowest UV index in Japaratuba are May through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.