October weather forecast
Iapu, Brazil

October, the same as September, is a moderately hot spring month in Iapu, Brazil, with temperature in the range of an average low of 19°C (66.2°F) and an average high of 29.5°C (85.1°F).

Temperature

October tends to be the warmest month, with temperatures averaging a daily high of 29.5°C (85.1°F) and a low of 19°C (66.2°F).

Heat index

October's average heat index is computed to be a very hot 35°C (95°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In October, the average relative humidity is 74%.

Rainfall

In Iapu, during October, the rain falls for 17.2 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, there are 170.4 rainfall days, and 754mm (29.69") of precipitation is accumulated.

Daylight

In October, the average length of the day in Iapu is 12h and 33min.
On the first day of October, sunrise is at 05:29 and sunset at 17:46. On the last day of the month, sunrise is at 05:07 and sunset at 17:56 -03.

Sunshine

The average sunshine in October in Iapu is 7.3h.

UV index

January through May, August through October and December, with an average maximum UV index of 6, are months with the highest UV index in Iapu. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, a daily maximum UV index of 6 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.