January weather forecast
Goiânia, Brazil

Kicking off the year in Goiânia, Brazil, January brings a mix of warmth and humidity. This month faces the heaviest rainfall with 267mm (10.51") over 18 days, accompanied by a high relative humidity of 75%. You may need protective gear for the intermittent showers but don't forget your sunscreen during the 5.9 hours of sunshine you might catch. The daylight hours stretch up to 13 hours, adding more bright time to your day. As the month progresses, lens towards February, expect a slight decrease in rainfall.

Temperature

The average high-temperature in January in Goiânia, at a still moderately hot 29.2°C (84.6°F), reveals a modest deviation from December's 28.9°C (84°F). Throughout January, Goiânia witnesses a nighttime temperature average of 19.7°C (67.5°F).

Heat index

During January, the heat index is computed to be a tropical 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in January in Goiânia is 75%.

Rainfall

In Goiânia, during January, the rain falls for 18 days and regularly aggregates up to 267mm (10.51") of precipitation. Throughout the year, there are 116 rainfall days, and 1571mm (61.85") of precipitation is accumulated.

Daylight

In Goiânia, the average length of the day in January is 12h and 59min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:53. On the last day of January, sunrise is at 06:05 and sunset at 18:55 -03.

Sunshine

In January, the average sunshine in Goiânia is 5.9h.