January weather forecast
Goiânia, Brazil

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Weather in January

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.

Frequently asked questions

How hot is it in Goiânia in January?

The high-temperature in Goiânia during January is 29.2°C (84.6°F) and the low-temperature is 19.7°C (67.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is computed to be 34°C (93.2°F).

What is the average humidity in January in Goiânia?

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

How much does it rain in Goiânia in January?

In Goiânia, Brazil, in January, during 18 rainfall days, 267mm (10.51") of precipitation is typically accumulated.

How many hours of daylight does Goiânia have in January?

The average day length in January in Goiânia is 12h and 59min.

When is the sunrise / sunset in January in Goiânia?

On the first day of January in Goiânia, sunrise is at 05:47 and sunset at 18:53. On the last day of the month, sunrise is at 06:05 and sunset at 18:55 -03.

How long on average sun shines in January in Goiânia?

The average sunshine duration in January in Goiânia is 5.9h.

Average temperature in January
Goiânia, Brazil

Average temperature in January - Goiânia, Brazil
  • Average high temperature in January: 29.2°C

The warmest month (with the highest average high temperature) is September (31.9°C).
The month with the lowest average high temperature is June (28.7°C).

  • Average low temperature in January: 19.7°C

The months with the highest average low temperature are January, February and December (19.7°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).

Average humidity in January
Goiânia, Brazil

Average humidity in January - Goiânia, Brazil
  • Average humidity in January: 75%

The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (47%).

Average rainfall in January
Goiânia, Brazil

Average rainfall in January - Goiânia, Brazil
  • Average rainfall in January: 266.8mm

The wettest month (with the highest rainfall) is December (267.9mm).
The driest month (with the least rainfall) is July (6.6mm).

Average rainfall days in January
Goiânia, Brazil

Average rainfall days in January - Goiânia, Brazil
  • Average rainfall days in January: 18 days

The month with the highest number of rainy days is December (19 days).
The months with the least rainy days are June and July (1 days).

Average daylight in January /
Average sunshine in January
Goiânia, Brazil

Average daylight in January / Average sunshine in January - Goiânia, Brazil
  • Average daylight in January: 13h and 0min

The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 36min).

Goiânia, Brazil

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