May weather forecast
Maceió, Brazil

In the month of May, the tropical climate of Maceió welcomes a slight decrement in temperatures. May's distinction lies not in the heat, but in the rainfall: with 382mm (15.04") of rainfall, it culminates as the wettest month of the year. Amid this rain-soaked month, the UV index recedes a bit, offering some respite from the strong tropical sun. Likely related to the increased precipitation, the relative humidity also swells. Concurrently, daylight hours continue to be abundant but inclined toward less sunshine and more clouds.

Temperature

The beginning of May in Maceió, Brazil, records an average high-temperature of a still moderately hot 28.5°C (83.3°F), marking a negligible difference from April's 29.6°C (85.3°F). The low-temperature in Maceió averages to a pleasant 22°C (71.6°F) during the nights of May.

Heat index

During May, the heat index is evaluated at a hot 34°C (93.2°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

With an average relative humidity of 82.6%, May is the most humid month.

Rainfall

May is the month with the most rainfall. Rain falls for 22 days and accumulates 382mm (15.04") of precipitation.

Sea temperature

In Maceió, in May, the average water temperature is 27.9°C (82.2°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

In Maceió, the average length of the day in May is 11h and 40min.
On the first day of the month, sunrise is at 05:26 and sunset at 17:12. On the last day of May, sunrise is at 05:32 and sunset at 17:08 -03.

Sunshine

The average sunshine in May is 6.2h.

UV index

In May, the average daily maximum UV index in Maceió is 10. A UV Index reading of 8 to 10 represents a very high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 10 in May converts into the following recommendations:
Always be cautious. Skin and eyes can be affected swiftly without protection. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.