October weather forecast
Rifaina, Brazil

October, the same as September, in Rifaina, Brazil, is a hot spring month, with an average temperature fluctuating between 30.8°C (87.4°F) and 19.9°C (67.8°F).

Temperature

The advent of October presents an average high-temperature of a still hot 30.8°C (87.4°F), maintaining a close correlation with the preceding month. Rifaina, during October, witnesses an average low-temperature of 19.9°C (67.8°F).

Heat index

The heat index value during October is calculated to be a torrid 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Rifaina, the average relative humidity in October is 66%.

Rainfall

In Rifaina, during October, the rain falls for 20.2 days and regularly aggregates up to 123mm (4.84") of precipitation. In Rifaina, during the entire year, the rain falls for 219 days and collects up to 1265mm (49.8") of precipitation.

Daylight

The average length of the day in October in Rifaina is 12h and 34min.
On the first day of October in Rifaina, sunrise is at 05:50 and sunset at 18:07. On the last day of the month, sunrise is at 05:28 and sunset at 18:18 -03.

Sunshine

In Rifaina, the average sunshine in October is 9h.

UV index

July through October, with an average maximum UV index of 6, are months with the highest UV index in Rifaina. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In October, the UV index of 6 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.