January weather forecast
São Sebastião do Tocantins, Brazil

January, the same as December, is a moderately hot summer month in São Sebastião do Tocantins, Brazil, with an average temperature varying between 21.1°C (70°F) and 29.4°C (84.9°F).

Temperature

São Sebastião do Tocantins measures an average high-temperature of a moderately hot 29.4°C (84.9°F) in January, nearly consistent with the preceding month. In the month of January, São Sebastião do Tocantins witnesses a consistent average low-temperature of 21.1°C (70°F).

Heat index

The heat index for January is evaluated at a sweltering 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in January in São Sebastião do Tocantins is 89%.

Rainfall

In January, in São Sebastião do Tocantins, the rain falls for 30.1 days. Throughout January, 251mm (9.88") of precipitation is accumulated. Throughout the year, there are 252.6 rainfall days, and 1607mm (63.27") of precipitation is accumulated.

Daylight

In January, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 06:03 and sunset at 18:28. On the last day of January, sunrise is at 06:15 and sunset at 18:36 -03.

Sunshine

In São Sebastião do Tocantins, Brazil, the average sunshine in January is 6h.

UV index

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.