October weather forecast
São Gonçalo do Piauí, Brazil

October, like September, in São Gonçalo do Piauí, Brazil, is another torrid spring month, with temperature in the range of an average high of 36.5°C (97.7°F) and an average low of 25°C (77°F).

Temperature

In São Gonçalo do Piauí, Brazil, the warmest period comes during September and October, when the average high-temperature touches 36.5°C (97.7°F).

Heat index

For October, the heat index is estimated at an extremely hot 42°C (107.6°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In October, the average relative humidity in São Gonçalo do Piauí is 45%.

Rainfall

In São Gonçalo do Piauí, Brazil, during October, the rain falls for 8.8 days and regularly aggregates up to 25mm (0.98") of precipitation. In São Gonçalo do Piauí, during the entire year, the rain falls for 157.4 days and collects up to 636mm (25.04") of precipitation.

Daylight

In São Gonçalo do Piauí, the average length of the day in October is 12h and 14min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:45. On the last day of October, in São Gonçalo do Piauí, Brazil, sunrise is at 05:24 and sunset at 17:44 -03.

Sunshine

The average sunshine in October is 9.1h.

UV index

January through August, October through December, with an average maximum UV index of 7, are months with the lowest UV index in São Gonçalo do Piauí, Brazil. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in October transforms into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.