October weather forecast
Vista Alegre do Alto, Brazil

October, like September, is another tropical spring month in Vista Alegre do Alto, Brazil, with temperature in the range of an average low of 19.6°C (67.3°F) and an average high of 30.5°C (86.9°F).

Temperature

The arrival of October brings an average high-temperature of a still tropical 30.5°C (86.9°F), nearly identical to September's 30.6°C (87.1°F). During the month of October, an average temperature of 19.6°C (67.3°F) is noted during the nights.

Heat index

October's average heat index is computed to be a fiery hot 35°C (95°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Vista Alegre do Alto, the average relative humidity in October is 66%.

Rainfall

In Vista Alegre do Alto, in October, during 19 rainfall days, 140mm (5.51") of precipitation is typically accumulated. In Vista Alegre do Alto, during the entire year, the rain falls for 217.6 days and collects up to 1401mm (55.16") of precipitation.

Daylight

The average length of the day in October is 12h and 35min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:13. On the last day of October, in Vista Alegre do Alto, sunrise is at 05:31 and sunset at 18:24 -03.

Sunshine

The average sunshine in October is 8.7h.

UV index

The months with the highest UV index are January, July through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in October interprets into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.