January weather forecast
Porto da Folha, Brazil

January, the same as December, in Porto da Folha, Brazil, is a hot summer month, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 33.4°C (92.1°F).

Temperature

Porto da Folha's January reports an average high-temperature of a still tropical 33.4°C (92.1°F), exhibiting a minor difference from December. Throughout the month of January, Porto da Folha observes an average nighttime temperature of 22.3°C (72.1°F).

Heat index

During January, the heat index is computed to be a scorching 42°C (107.6°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in January is 63%.

Rainfall

In Porto da Folha, in January, it is raining for 11.1 days, with typically 29mm (1.14") of accumulated precipitation. In Porto da Folha, during the entire year, the rain falls for 130.4 days and collects up to 289mm (11.38") of precipitation.

Daylight

In Porto da Folha, the average length of the day in January is 12h and 38min.
On the first day of the month, sunrise is at 05:11 and sunset at 17:53. On the last day of January, in Porto da Folha, sunrise is at 05:26 and sunset at 17:58 -03.

Sunshine

In January, the average sunshine is 8.8h.

UV index

The months with the highest UV index in Porto da Folha are January through March, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 during January translates into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.