May weather forecastRibeirópolis, Brazil

Weather in May

May, the last month of the autumn in Ribeirópolis, is also a moderately hot month, with an average temperature varying between 29.3°C (84.7°F) and 21.1°C (70°F).

Temperature

In May, the average high-temperature registers at a warm 29.3°C (84.7°F), nearly identical to April's 31.3°C (88.3°F). During May, the nighttime temperature averages to an agreeable 21.1°C (70°F).

Heat index

May's average heat index is appraised at a very hot 36°C (96.8°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Ribeirópolis, Brazil, the average relative humidity in May is 83%.

Rainfall

In Ribeirópolis, during May, the rain falls for 18.6 days and regularly aggregates up to 47mm (1.85") of precipitation. In Ribeirópolis, during the entire year, the rain falls for 183.6 days and collects up to 371mm (14.61") of precipitation.

Daylight

In May, the average length of the day in Ribeirópolis is 11h and 38min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:18. On the last day of May, sunrise is at 05:41 and sunset at 17:14 -03.

Sunshine

With an average of 6h of sunshine, May has the least sunshine of the year in Ribeirópolis, Brazil.

UV index

April through October, with an average maximum UV index of 6, are months with the lowest UV index in Ribeirópolis. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 in May translates into these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.