January Weather in Aracatuba, Brazil

Last updated: August 22, 2025

In Aracatuba, Brazil, the average temperature in January hovers around 26°C (80°F). Temperatures can range from a cool 19°C (66°F) to a sizzling 38°C (100°F). Expect a significant amount of rain, with 187 mm (7.4 in) falling over 17 days, while the air remains fairly humid at an average of 84%.

January Temperature in Aracatuba

In January in Aracatuba, the average temperature is 26°C (80°F). Maximums can reach 38°C (100°F), and minimums can be as low as 19°C (66°F). This makes it a wonderful time to explore and enjoy outdoor activities in Aracatuba.

January Weather in Aracatuba: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Aracatuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aracatuba, January typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (66°F).

Data source: Temperature data for Aracatuba generated using information from the Copernicus Climate Change Service.

January Precipitation in Aracatuba

In Aracatuba in January, the total precipitation amount is 187 mm (7.4 in), occurring over the span of 17 days.

January Precipitation Trends in Aracatuba

The chart displays monthly precipitation patterns in Aracatuba, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Aracatuba, January typically receives around 187 mm (7.4 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Aracatuba

In Aracatuba in January, humidity is 84%. With an average temperature of 26°C (80°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and intense, often leaving you longing for a cool breeze or a shaded spot to escape the heat.

January Average Humidity in Aracatuba

This chart illustrates the average monthly humidity levels in Aracatuba, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Aracatuba is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Aracatuba

In Aracatuba in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Aracatuba.

Maximum UV Index Levels in Aracatuba for January

The chart shows the monthly maximum UV Index (UVI) for Aracatuba in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Aracatuba typically reaches 15, which falls under the extreme exposure category.

Data source: Aracatuba January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Aracatuba Compares to Other Months

Weather in Aracatuba varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Aracatuba, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Aracatuba, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	187 mm (7.4 inches)	84%	extreme
February Weather	26°C (79°F)	151 mm (6.0 inches)	85%	extreme
March Weather	26°C (80°F)	93 mm (3.7 inches)	84%	extreme
April Weather	25°C (77°F)	55 mm (2.2 inches)	76%	extreme
May Weather	22°C (72°F)	30 mm (1.2 inches)	60%	very high
June Weather	22°C (72°F)	14 mm (0.5 inches)	48%	high
July Weather	21°C (70°F)	10 mm (0.4 inches)	44%	very high
August Weather	22°C (73°F)	22 mm (0.9 inches)	38%	very high
September Weather	26°C (80°F)	23 mm (0.9 inches)	33%	extreme
October Weather	26°C (80°F)	97 mm (3.8 inches)	31%	extreme
November Weather	26°C (79°F)	119 mm (4.7 inches)	62%	extreme
December Weather	26°C (80°F)	153 mm (6.0 inches)	82%	extreme