January weather forecast
Princesa Isabel, Brazil

January, like December, is another tropical summer month in Princesa Isabel, Brazil, with an average temperature ranging between max 32.3°C (90.1°F) and min 21.3°C (70.3°F).

Temperature

Upon the beginning of January, Princesa Isabel's high-temperatures register at a still tropical 32.3°C (90.1°F), closely mirroring the preceding month. Throughout the nights in January, an average low-temperature of 21.3°C (70.3°F) is noted in Princesa Isabel.

Heat index

January's heat index is evaluated at a sweltering 38°C (100.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight 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', provides an understanding of perceived warmth by combining temperature and relative humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in January in Princesa Isabel, Brazil, is 61%.

Rainfall

In Princesa Isabel, in January, it is raining for 17.8 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, in Princesa Isabel, there are 140.8 rainfall days, and 430mm (16.93") of precipitation is accumulated.

Daylight

The average length of the day in January in Princesa Isabel, Brazil, is 12h and 31min.
On the first day of January in Princesa Isabel, sunrise is at 05:18 and sunset at 17:52. On the last day of the month, sunrise is at 05:31 and sunset at 17:58 -03.

Sunshine

In Princesa Isabel, the average sunshine in January is 8.8h.

UV index

January, April through August, 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 threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, a regular UV index of 6 translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.