May weather forecast
Simão Dias, Brazil

May, the last month of the autumn in Simão Dias, is another warm month, with an average temperature fluctuating between 21°C (69.8°F) and 29.4°C (84.9°F).

Temperature

With the onset of May, a modest change to a moderately hot 29.4°C (84.9°F) from April's 31.3°C (88.3°F) is noted in high-temperature. Nighttime temperatures in May average to an agreeable 21°C (69.8°F) in Simão Dias, Brazil.

Heat index

May's average heat index is appraised at a very hot 37°C (98.6°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In May, the average relative humidity in Simão Dias is 83%.

Rainfall

In Simão Dias, Brazil, during May, the rain falls for 20.1 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, in Simão Dias, Brazil, there are 214 rainfall days, and 444mm (17.48") of precipitation is accumulated.

Daylight

The average length of the day in May in Simão Dias is 11h and 37min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:19. On the last day of May, sunrise is at 05:42 and sunset at 17:15 -03.

Sunshine

May has the least sunshine of the year, with an average of 5.9h of sunshine.

UV index

The months with the lowest UV index in Simão Dias, Brazil, are April through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.