January weather forecast
Aratuba, Brazil

January, the same as December, in Aratuba, Brazil, is another tropical summer month, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 31.5°C (88.7°F).

Temperature

Aratuba's shift from December to January is accompanied by an average high-temperature of a still hot 31.5°C (88.7°F), a slight deviation from 32.6°C (90.7°F). Aratuba records an average low of 22.3°C (72.1°F) throughout the nights in January.

Heat index

For January, the heat index is estimated at a blistering 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Aratuba, the average relative humidity in January is 73%.

Rainfall

In Aratuba, during January, the rain falls for 21.5 days and regularly aggregates up to 105mm (4.13") of precipitation. In Aratuba, during the entire year, the rain falls for 177 days and collects up to 691mm (27.2") of precipitation.

Daylight

In January, the average length of the day in Aratuba is 12h and 20min.
On the first day of the month, sunrise is at 05:28 and sunset at 17:50. On the last day of January, sunrise is at 05:40 and sunset at 17:58 -03.

Sunshine

In Aratuba, the average sunshine in January is 6.7h.

UV index

January through July, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In January, an average UV index of 6 transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.