October weather forecastAnanindeua, Brazil

Weather in October

October, like September, is another hot spring month in Ananindeua, Brazil, with an average temperature ranging between min 23.7°C (74.7°F) and max 33.4°C (92.1°F).

Temperature

The warmest period tends to be October, when average temperatures fluctuate between a high of 33.4°C (92.1°F) and a low of 23.7°C (74.7°F).

Heat index

October's average heat index is calculated to be a burning hot 47°C (116.6°F). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Ananindeua, Brazil, the average relative humidity in October is 75%.

Rainfall

In October, the rain falls for 21.5 days. Throughout October, 52mm (2.05") of precipitation is accumulated. Throughout the year, in Ananindeua, there are 315 rainfall days, and 2079mm (81.85") of precipitation is accumulated.

Sea temperature

September and October, with an average sea temperature of 28.3°C (82.9°F), are months with the coldest seawater in Ananindeua.
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The average length of the day in October is 12h and 8min.
On the first day of October in Ananindeua, sunrise is at 05:59 and sunset at 18:06. On the last day of the month, sunrise is at 05:52 and sunset at 18:02 -03.

Sunshine

October has the most sunshine of the year in Ananindeua, with an average of 10.3h of sunshine.

UV index

June through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 7 during October translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.