November weather forecast
São Caetano de Odivelas, Brazil

The last month of the spring, November, is also a hot month in São Caetano de Odivelas, Brazil, with an average temperature fluctuating between 25.3°C (77.5°F) and 31.4°C (88.5°F).

Temperature

Transitioning from October to November, São Caetano de Odivelas observes an average high-temperature of a still tropical 31.4°C (88.5°F), differing subtly from the previous month. São Caetano de Odivelas temperatures generally rest at a low of 25.3°C (77.5°F) during the November nights.

Heat index

During November, the heat index is evaluated at a scorching 41°C (105.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
The heat index's values are generally associated with conditions in shade and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. 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. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The months with the lowest humidity in São Caetano de Odivelas are October and November, with an average relative humidity of 76%.

Rainfall

In November, the rain falls for 18.8 days. Throughout November, 69mm (2.72") of precipitation is accumulated. Throughout the year, in São Caetano de Odivelas, there are 315.6 rainfall days, and 2313mm (91.06") of precipitation is accumulated.

Sea temperature

January, May through August and November, with an average sea temperature of 28.8°C (83.8°F), are months with the warmest seawater in São Caetano de Odivelas.
Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

In November, the average length of the day in São Caetano de Odivelas is 12h and 9min.
On the first day of the month, sunrise is at 05:51 and sunset at 17:59. On the last day of November, sunrise is at 05:56 and sunset at 18:05 -03.

Sunshine

In São Caetano de Odivelas, the average sunshine in November is 10.3h.

UV index

January, June through December, with an average maximum UV index of 7, are months with the highest UV index in São Caetano de Odivelas. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In November, a regular UV index of 7 translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.