October weather forecast
Plácido de Castro, Brazil

October, like September, is a hot spring month in Plácido de Castro, Brazil, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 33.6°C (92.5°F).

Temperature

October's advent notes a subtle adjustment in average high-temperature to a hot 33.6°C (92.5°F) from September. The average temperature in Plácido de Castro during October nights dips to a pleasant 22.8°C (73°F).

Heat index

During October, the heat index is evaluated at a blazing hot 46°C (114.8°F). Stay watchful: Heat exhaustion along with heat cramps are likely. Ongoing effort may cause heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Plácido de Castro, the average relative humidity in October is 72%.

Rainfall

In Plácido de Castro, Brazil, in October, during 19.9 rainfall days, 77mm (3.03") of precipitation is typically accumulated. In Plácido de Castro, during the entire year, the rain falls for 233.4 days and collects up to 1251mm (49.25") of precipitation.

Daylight

In Plácido de Castro, the average length of the day in October is 12h and 20min.
On the first day of the month, sunrise is at 05:11 and sunset at 17:24. On the last day of October, in Plácido de Castro, sunrise is at 04:57 and sunset at 17:26 -05.

Sunshine

In October, the average sunshine in Plácido de Castro is 8.6h.

UV index

The months with the highest UV index are July through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 7 during October, leads to the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.