May weather forecast
Formosa do Rio Preto, Brazil

The last month of the autumn, May, is another warm month in Formosa do Rio Preto, Brazil, with an average temperature varying between 29.9°C (85.8°F) and 18.8°C (65.8°F).

Temperature

The commencement of May records an average high-temperature of a still warm 29.9°C (85.8°F), barely varying from April's 29.8°C (85.6°F). Formosa do Rio Preto anticipates an average minimum temperature of 18.8°C (65.8°F) in the month of May.

Heat index

May's mean heat index is calculated to be a torrid 36°C (96.8°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital 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.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in May in Formosa do Rio Preto is 74%.

Rainfall

In Formosa do Rio Preto, in May, during 11 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Formosa do Rio Preto, Brazil, during the entire year, the rain falls for 134.3 days and collects up to 578mm (22.76") of precipitation.

Daylight

In May, the average length of the day is 11h and 37min.
On the first day of the month, sunrise is at 06:06 and sunset at 17:49. On the last day of May, in Formosa do Rio Preto, sunrise is at 06:12 and sunset at 17:44 -03.

Sunshine

In May, the average sunshine in Formosa do Rio Preto is 6.8h.

UV index

January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Formosa do Rio Preto. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during May leads to these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.