October weather forecast
Montanhas, Brazil

October, like September, in Montanhas, Brazil, is a moderately hot spring month, with an average temperature fluctuating between 29.6°C (85.3°F) and 23°C (73.4°F).

Temperature

October brings an average high-temperature of a still warm 29.6°C (85.3°F), showing a slight difference from September's 28.6°C (83.5°F). In October, the nighttime temperature in Montanhas lowers to an average of 23°C (73.4°F).

Heat index

The heat index in October is appraised at a very hot 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Montanhas, the average relative humidity in October is 73%.

Rainfall

In Montanhas, in October, during 14.1 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Montanhas, Brazil, during the entire year, the rain falls for 199.6 days and collects up to 460mm (18.11") of precipitation.

Daylight

The average length of the day in October in Montanhas is 12h and 15min.
On the first day of October in Montanhas, sunrise is at 05:05 and sunset at 17:15. On the last day of the month, sunrise is at 04:54 and sunset at 17:14 -03.

Sunshine

In October, the average sunshine is 7.5h.

UV index

January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index in Montanhas, Brazil. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the maximum UV index of 7 transforms into these recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.