January weather forecast
Piancó, Brazil

January, like December, is another tropical summer month in Piancó, Brazil, with temperature in the range of an average high of 33.8°C (92.8°F) and an average low of 23.1°C (73.6°F).

Temperature

As December transitions into January, the average high-temperature rests at a still hot 33.8°C (92.8°F), maintaining a close resemblance to the previous month. An average low-temperature of 23.1°C (73.6°F) is expected in Piancó during January.

Heat index

For January, the heat index is estimated at a blisteringly hot 41°C (105.8°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In Piancó, the average relative humidity in January is 58%.

Rainfall

In Piancó, in January, during 18.9 rainfall days, 69mm (2.72") of precipitation is typically accumulated. Throughout the year, in Piancó, there are 148.4 rainfall days, and 508mm (20") of precipitation is accumulated.

Daylight

In Piancó, the average length of the day in January is 12h and 29min.
On the first day of the month, sunrise is at 05:19 and sunset at 17:51. On the last day of January, in Piancó, sunrise is at 05:32 and sunset at 17:57 -03.

Sunshine

In January, the average sunshine is 9h.

UV index

January through March, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard 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:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.