October weather forecast
Barretos, Brazil

October, like September, is another hot spring month in Barretos, Brazil, with an average temperature ranging between min 20.6°C (69.1°F) and max 31.5°C (88.7°F).

Temperature

The advent of October observes an average high-temperature of a still hot 31.5°C (88.7°F), nearly identical to September's 32.5°C (90.5°F). Barretos observes an average low-temperature of 20.6°C (69.1°F) during October nights.

Heat index

For most parts of October, the heat index is estimated at a fiery hot 37°C (98.6°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. 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. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In October, the average relative humidity in Barretos is 64%.

Rainfall

In Barretos, in October, it is raining for 19.4 days, with typically 139mm (5.47") of accumulated precipitation. In Barretos, during the entire year, the rain falls for 211.9 days and collects up to 1351mm (53.19") of precipitation.

Daylight

In October, the average length of the day in Barretos is 12h and 35min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:12. On the last day of October, sunrise is at 05:31 and sunset at 18:23 -03.

Sunshine

In Barretos, the average sunshine in October is 8.8h.

UV index

The months with the highest UV index in Barretos are March, June through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 6 in October translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.