January weather forecast
João Pessoa, Brazil

January brings warm weather to João Pessoa, Brazil with temperatures trending from 23.7°C (74.7°F) at night to as high as 30.2°C (86.4°F) during the day. In comparison to other months, January sees moderate rainfall resulting in increased humidity. As a coastal city, the sea temperature moderates the weather, contributing to the regional climatic conditions. The daylight spans approximately more than half the day, inviting locals and tourists to enjoy outdoor activities.

Temperature

As João Pessoa steps into January, the average high-temperature holds at a still tropical 30.2°C (86.4°F), hinting at a minor fluctuation from the prior month. During January, the average low-temperature is a moderately hot 23.7°C (74.7°F).

Heat index

The heat index value for January is evaluated at a fiery hot 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
To offset high temperatures, the human body releases sweat which, upon evaporation, 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. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in January is 75%.

Rainfall

In January, in João Pessoa, the rain falls for 8 days. Throughout January, 76mm (2.99") of precipitation is accumulated. Throughout the year, there are 149 rainfall days, and 2145mm (84.45") of precipitation is accumulated.

Sea temperature

In João Pessoa, in January, the average water temperature is 28.1°C (82.6°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In João Pessoa, the average length of the day in January is 12h and 29min.
On the first day of January in João Pessoa, sunrise is at 05:06 and sunset at 17:38. On the last day of the month, sunrise is at 05:20 and sunset at 17:45 -03.

Sunshine

In January, the average sunshine is 7.9h.