January Weather in Aruja, Brazil

Last updated: August 22, 2025

In January, the average temperature in Aruja, Brazil is a pleasant 23°C (74°F). However, be prepared for a range, as temperatures can dip to a minimum of 15°C (59°F) and soar up to a maximum of 33°C (91°F). With an average humidity of 88%, you'll want to stay hydrated! Expect about 202 mm (8.0 in) of precipitation spread over 20 days, so packing an umbrella might be a good idea. Enjoy your time in this vibrant locale!

January Temperature in Aruja

In January in Aruja, the average temperature is 23°C (74°F). Maximums can reach 33°C (91°F), and minimums can be as low as 15°C (59°F). This comfortable climate makes Aruja an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates January temperature patterns in Aruja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aruja, January typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Aruja

In Aruja in January, the total precipitation amount is 202 mm (8.0 in), which occurs over the course of 20 days.

January Precipitation Trends in Aruja

The chart displays monthly precipitation patterns in Aruja, 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 Aruja, January typically receives around 202 mm (8.0 inches) of precipitation spread over approximately 20 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 Aruja

In Aruja in January, humidity is 88%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities quickly exhausting and urging travelers to seek shade or refreshing drinks to stay comfortable.

January Average Humidity in Aruja

This chart illustrates the average monthly humidity levels in Aruja, 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 Aruja is approximately 88%, 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 Aruja

In Aruja in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Aruja.

Maximum UV Index Levels in Aruja for January

The chart shows the monthly maximum UV Index (UVI) for Aruja 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 Aruja typically reaches 16, which falls under the extreme exposure category.

Data source: Aruja 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 Aruja Compares to Other Months

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

This table compares monthly weather conditions in Aruja, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	202 mm (8.0 inches)	88%	extreme
February Weather	22°C (73°F)	187 mm (7.4 inches)	88%	extreme
March Weather	22°C (73°F)	151 mm (6.0 inches)	87%	extreme
April Weather	20°C (68°F)	59 mm (2.3 inches)	84%	extreme
May Weather	18°C (64°F)	56 mm (2.2 inches)	79%	very high
June Weather	17°C (64°F)	46 mm (1.8 inches)	77%	high
July Weather	16°C (61°F)	29 mm (1.1 inches)	72%	high
August Weather	17°C (63°F)	62 mm (2.4 inches)	65%	very high
September Weather	20°C (68°F)	49 mm (1.9 inches)	58%	extreme
October Weather	20°C (69°F)	140 mm (5.5 inches)	50%	extreme
November Weather	20°C (69°F)	134 mm (5.3 inches)	75%	extreme
December Weather	22°C (72°F)	164 mm (6.4 inches)	80%	extreme