October weather forecast
Piracuruca, Brazil

October, like September, in Piracuruca, Brazil, is a very hot spring month, with temperature in the range of an average high of 37.1°C (98.8°F) and an average low of 23.7°C (74.7°F).

Temperature

Piracuruca's temperatures peak on average in October, reaching 37.1°C (98.8°F) at their highest and 23.7°C (74.7°F) at their lowest.

Heat index

In October, the heat index is estimated at a blazing hot 46°C (114.8°F). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
The standards for the heat index are set for locations in shade and under light breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 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 human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The average relative humidity in October is 50%.

Rainfall

In October, in Piracuruca, the rain falls for 7.8 days. Throughout October, 21mm (0.83") of precipitation is accumulated. In Piracuruca, during the entire year, the rain falls for 205.9 days and collects up to 1226mm (48.27") of precipitation.

Daylight

In October, the average length of the day is 12h and 12min.
On the first day of the month, sunrise is at 05:31 and sunset at 17:40. On the last day of October, in Piracuruca, sunrise is at 05:22 and sunset at 17:38 -03.

Sunshine

In Piracuruca, the average sunshine in October is 9.6h.

UV index

The months with the highest UV index in Piracuruca are January, March through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 7 in October translates into this advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.