May weather forecastPiracuruca, Brazil

Weather in May

The last month of the autumn, May, is also a hot month in Piracuruca, Brazil, with an average temperature ranging between min 22.3°C (72.1°F) and max 31.4°C (88.5°F).

Temperature

Entering May, the average high-temperature is recorded at a still hot 31.4°C (88.5°F), exhibiting a minimal shift from April's 31.2°C (88.2°F). Throughout the month of May, Piracuruca reports a steady low-temperature average of 22.3°C (72.1°F).

Heat index

The heat index value during May is estimated at a scorching 42°C (107.6°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Observations indicate that the heat index values are for shady locations with light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Piracuruca, Brazil, the average relative humidity in May is 79%.

Rainfall

In May, the rain falls for 26.4 days. Throughout May, 150mm (5.91") of precipitation is accumulated. In Piracuruca, Brazil, during the entire year, the rain falls for 205.9 days and collects up to 1226mm (48.27") of precipitation.

Daylight

The average length of the day in May is 11h and 56min.
On the first day of the month, sunrise is at 05:44 and sunset at 17:43. On the last day of May, sunrise is at 05:47 and sunset at 17:41 -03.

Sunshine

In May, the average sunshine in Piracuruca is 8.5h.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.