October weather forecast
Graça, Brazil

October, the same as September, in Graça, Brazil, is another hot spring month, with an average temperature fluctuating between 34°C (93.2°F) and 21.5°C (70.7°F).

Temperature

Temperature records mark October as the warmest month, with highs averaging 34°C (93.2°F) and lows at 21.5°C (70.7°F).

Heat index

The average heat index in October is estimated at a blisteringly hot 41°C (105.8°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Graça, the average relative humidity in October is 57%.

Rainfall

In Graça, Brazil, in October, during 7.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Graça, during the entire year, the rain falls for 200 days and collects up to 1065mm (41.93") of precipitation.

Daylight

In October, the average length of the day is 12h and 12min.
On the first day of the month, sunrise is at 05:28 and sunset at 17:36. On the last day of October, in Graça, sunrise is at 05:18 and sunset at 17:34 -03.

Sunshine

In October, the average sunshine in Graça is 9.1h.

UV index

The months with the highest UV index are July through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 7 during October translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.