October weather forecast
Iuiú, Brazil

October, like September, is another hot spring month in Iuiú, Brazil, with an average temperature fluctuating between 33.5°C (92.3°F) and 21.4°C (70.5°F).

Temperature

As Iuiú transitions into October, the average high-temperature stands at a still hot 33.5°C (92.3°F), offering little variation from the preceding month. A notable decrease from the day's highest temperature marks October, culminating in an average low of 21.4°C (70.5°F).

Heat index

For October, the heat index is computed to be a fiery hot 39°C (102.2°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In Iuiú, the average relative humidity in October is 54%.

Rainfall

In Iuiú, in October, during 12.8 rainfall days, 78mm (3.07") of precipitation is typically accumulated. Throughout the year, in Iuiú, Brazil, there are 145.7 rainfall days, and 748mm (29.45") of precipitation is accumulated.

Daylight

In Iuiú, the average length of the day in October is 12h and 26min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:50. On the last day of October, sunrise is at 05:19 and sunset at 17:56 -03.

Sunshine

The average sunshine in October is 8.9h.

UV index

The months with the highest UV index in Iuiú are August through October, 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 the ordinary person.
Note: A maximum UV index of 7 in October translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.