January Weather in Arinos, Brazil

Last updated: August 22, 2025

In January, the average temperature in Arinos, Brazil reaches a pleasant 26°C (80°F). Expect temperatures to range from a minimum of 18°C (64°F) to a maximum of 38°C (100°F), offering a wide variety of weather experiences. During this month, anticipate 92 mm (3.6 in) of precipitation over approximately 10 days, with an average humidity level of 83%, making it a wonderfully humid climate.

January Temperature in Arinos

In January, in Arinos, the average temperature is 26°C (80°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop as low as 18°C (64°F). This pleasant climate makes Arinos an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in Arinos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arinos, 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 18°C (64°F).

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

January Precipitation in Arinos

In Arinos in January, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.

January Precipitation Trends in Arinos

The chart displays monthly precipitation patterns in Arinos, 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 Arinos, January typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 10 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 Arinos

In Arinos in January humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

January Average Humidity in Arinos

This chart illustrates the average monthly humidity levels in Arinos, 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 Arinos is approximately 83%, 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 Arinos

In Arinos in January, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Arinos, you can check Hourly UV Index in Arinos.

Maximum UV Index Levels in Arinos for January

The chart shows the monthly maximum UV Index (UVI) for Arinos 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 Arinos typically reaches 17, which falls under the extreme exposure category.

Data source: Arinos 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 Arinos Compares to Other Months

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

This table compares monthly weather conditions in Arinos, 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)	92 mm (3.6 inches)	83%	extreme
February Weather	25°C (78°F)	169 mm (6.6 inches)	88%	extreme
March Weather	26°C (78°F)	141 mm (5.5 inches)	89%	extreme
April Weather	25°C (78°F)	53 mm (2.1 inches)	78%	extreme
May Weather	24°C (75°F)	15 mm (0.6 inches)	67%	very high
June Weather	23°C (74°F)	1 mm (0.0 inches)	61%	very high
July Weather	22°C (72°F)	0 mm (0.0 inches)	58%	very high
August Weather	24°C (76°F)	6 mm (0.2 inches)	51%	extreme
September Weather	27°C (80°F)	3 mm (0.1 inches)	42%	extreme
October Weather	28°C (83°F)	71 mm (2.8 inches)	31%	extreme
November Weather	25°C (78°F)	153 mm (6.0 inches)	48%	extreme
December Weather	25°C (78°F)	220 mm (8.7 inches)	61%	extreme