January weather forecast
Engenheiro Pedreira, Brazil

January, like December, in Engenheiro Pedreira, Brazil, is a moderately hot summer month, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 21.3°C (70.3°F).

Temperature

The shift from December to January is characterized by an average high-temperature of a still moderately hot 29.9°C (85.8°F), not significantly different from the 29°C (84.2°F) of December. Throughout January, a steady low-temperature average of 21.3°C (70.3°F) is noted.

Heat index

The heat index value during January is calculated to be a very hot 38°C (100.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Engenheiro Pedreira, in January, it is raining for 9.2 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Engenheiro Pedreira, Brazil, there are 100.6 rainfall days, and 174mm (6.85") of precipitation is accumulated.

Daylight

The average length of the day in January is 13h and 20min.
On the first day of January, sunrise is at 05:12 and sunset at 18:42. On the last day of the month, sunrise is at 05:33 and sunset at 18:41 -03.

Sunshine

In January, the average sunshine is 8h.

UV index

The months with the highest UV index are January through March, June, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during January translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.