January weather forecast
Guarabira, Brazil

January, the same as December, in Guarabira, Brazil, is another tropical summer month, with an average temperature fluctuating between 31.7°C (89.1°F) and 22.8°C (73°F).

Temperature

January's onset brings an average high-temperature of a still tropical 31.7°C (89.1°F), showing a minute difference from December's 31.5°C (88.7°F). Guarabira throughout January, experiences an average nighttime temperature of 22.8°C (73°F).

Heat index

January's mean heat index is computed to be a blistering 40°C (104°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Guarabira, the average relative humidity in January is 72%.

Rainfall

In January, the rain falls for 15.7 days. Throughout January, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 205.7 rainfall days, and 444mm (17.48") of precipitation is accumulated.

Daylight

In January, the average length of the day in Guarabira is 12h and 28min.
On the first day of January in Guarabira, sunrise is at 05:09 and sunset at 17:40. On the last day of the month, sunrise is at 05:23 and sunset at 17:47 -03.

Sunshine

In Guarabira, the average sunshine in January is 6.5h.

UV index

January, February and October, with an average maximum UV index of 7, are months with the highest UV index in Guarabira. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during January translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.