November weather forecast
Teresina, Brazil

The month of November marks a prominent transition phase for Teresina's climate. Rainfall scales up considerably while the temperatures maintain their high levels from the preceding month. November in Teresina brings along an added jump in rainfall values to 62mm (2.44"), showing a marked return of the wet season. Despite the increased rainfall, the weather remains quite warm with relatively clear skies and a moderate breeze. All in all, November in Teresina signifies a resurgence of the wet phase, paired with high temperatures.

Temperature

With the onset of November, the average high-temperature in Teresina stands at a still very hot 35.2°C (95.4°F), closely aligned with October's 36.7°C (98.1°F). During November, the nighttime temperature averages of 23.9°C (75°F).

Heat index

For most parts of November, the heat index is calculated to be a burning hot 46°C (114.8°F). Guard: Heat exhaustion and heat cramps are foreseeable. Prolonged effort may bring about heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 highly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
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. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Teresina, the average relative humidity in November is 60%.

Rainfall

In Teresina, in November, it is raining for 14.2 days, with typically 62mm (2.44") of accumulated precipitation. In Teresina, during the entire year, the rain falls for 207.4 days and collects up to 1348mm (53.07") of precipitation.

Daylight

In Teresina, the average length of the day in November is 12h and 21min.
On the first day of November in Teresina, sunrise is at 05:25 and sunset at 17:43. On the last day of the month, sunrise is at 05:28 and sunset at 17:51 -03.

Sunshine

The average sunshine in November is 8.5h.

UV index

The months with the highest UV index are January, March through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in November translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.