May weather forecast
Plácido de Castro, Brazil

The last month of the autumn, May, is another hot month in Plácido de Castro, Brazil, with an average temperature varying between 20.8°C (69.4°F) and 30.1°C (86.2°F).

Temperature

As May unfolds, the average high-temperature reaches a still tropical 30.1°C (86.2°F), showing no fluctuation from the previous month. Plácido de Castro in May anticipates an average nighttime temperature of 20.8°C (69.4°F).

Heat index

The heat index for May is evaluated at a torrid 39°C (102.2°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in May is 84%.

Rainfall

In May, in Plácido de Castro, the rain falls for 20.6 days. Throughout May, 71mm (2.8") of precipitation is accumulated. Throughout the year, there are 233.4 rainfall days, and 1251mm (49.25") of precipitation is accumulated.

Daylight

In May, the average length of the day is 11h and 38min.
On the first day of May, sunrise is at 05:33 and sunset at 17:17. On the last day of the month, sunrise is at 05:39 and sunset at 17:13 -05.

Sunshine

The average sunshine in May in Plácido de Castro is 7.8h.

UV index

The months with the lowest UV index are January through June and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.