January weather forecast
Portel, Brazil

January, the same as December, in Portel, Brazil, is another tropical summer month, with an average temperature ranging between min 22.4°C (72.3°F) and max 31°C (87.8°F).

Temperature

As Portel welcomes January, the average high-temperature records at a still hot 31°C (87.8°F), marking an insignificant deviation from the prior month. In Portel, in January, the average low-temperature is a pleasant 22.4°C (72.3°F).

Heat index

Throughout January, the heat index is computed to be a scorching 43°C (109.4°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in January is 86%.

Rainfall

In Portel, in January, during 30.1 rainfall days, 175mm (6.89") of precipitation is typically accumulated. In Portel, Brazil, during the entire year, the rain falls for 282.9 days and collects up to 1449mm (57.05") of precipitation.

Daylight

The average length of the day in January is 12h and 13min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:33. On the last day of January, in Portel, sunrise is at 06:30 and sunset at 18:42 -03.

Sunshine

The average sunshine in January in Portel, Brazil, is 6.1h.

UV index

January through April and December, with an average maximum UV index of 6, are months with the lowest UV index in Portel. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 6 in January suggests the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.